IEM VTEC Product Browser
This application allows easy navigation of National Weather Service issued products with Valid Time Event Coding (VTEC).
13 Nov 2024 Update: The tool was updated to use non-hash link style URLs. A shim is in place to translate the old URLs to the new ones, so nothing should be broken (famous last words). This was done to allow the HTML5 History API to provide a better user experience.
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2025 [KBOI] BOISE Air Stagnation (AS) Advisory (Y) Number 3
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
916 WWUS75 KBOI 251727 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1027 AM MST Sat Jan 25 2025 IDZ011>016-029-030-033-ORZ061>064-262200- /O.NEW.KBOI.AS.Y.0003.250126T1800Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Council, Buchanan, Silver City, Idaho City, Jerome, Twin Falls, Midvale, Diamond, Murphy Hot Springs, Nyssa, McCall, Cambridge, Dunnean, New Princeton, Caldwell, Ontario, Boise, Hollister, Pine, Mountain Home, Grasmere, Riddle, Garden Valley, Baker, Nampa, Malheur City, Cascade, Crane, Rogerson, Burns, Lowman, and Venator 1027 AM MST Sat Jan 25 2025 /927 AM PST Sat Jan 25 2025/ ...AIR STAGNATION ADVISORY IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...From 11 AM MST /10 AM PST/ Sunday to 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ IDZ028-262200- /O.CON.KBOI.CW.Y.0001.250126T0400Z-250127T1500Z/ Camas Prairie- Including the cities of Fairfield 1027 AM MST Sat Jan 25 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 8 AM MST MONDAY... * WHAT...Very cold wind chills as low as 29 below expected. * WHERE...Camas Prairie. * WHEN...From 9 PM this evening to 8 AM MST Monday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ SP
828 WWUS75 KBOI 260830 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 130 AM MST Sun Jan 26 2025 IDZ028-262200- /O.EXT.KBOI.CW.Y.0001.000000T0000Z-250128T1500Z/ Camas Prairie- Including the cities of Fairfield 130 AM MST Sun Jan 26 2025 ...COLD WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM MST TUESDAY... * WHAT...Very cold wind chills as low as 28 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...The coldest periods will be 4 AM to 8 AM each morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-262200- /O.CON.KBOI.AS.Y.0003.250126T1800Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Dunnean, Cambridge, Mountain Home, McCall, Diamond, Burns, Pine, Crane, Riddle, Baker, Grasmere, Cascade, Murphy Hot Springs, Boise, New Princeton, Council, Jerome, Idaho City, Silver City, Nampa, Midvale, Nyssa, Venator, Twin Falls, Garden Valley, Buchanan, Ontario, Malheur City, Caldwell, Hollister, Lowman, and Rogerson 130 AM MST Sun Jan 26 2025 /1230 AM PST Sun Jan 26 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...From 11 AM MST /10 AM PST/ this morning to 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC
872 WWUS75 KBOI 262021 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 121 PM MST Sun Jan 26 2025 IDZ028-272200- /O.CON.KBOI.CW.Y.0001.000000T0000Z-250128T1500Z/ Camas Prairie- Including the cities of Fairfield 121 PM MST Sun Jan 26 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST TUESDAY... * WHAT...Very cold wind chills as low as 29 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-272200- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Rogerson, Baker, Nyssa, Pine, Cambridge, Burns, Twin Falls, New Princeton, Riddle, Malheur City, Cascade, Nampa, Idaho City, Council, Ontario, Mountain Home, Midvale, Crane, Grasmere, Hollister, Caldwell, McCall, Venator, Boise, Garden Valley, Diamond, Silver City, Murphy Hot Springs, Lowman, Jerome, Buchanan, and Dunnean 121 PM MST Sun Jan 26 2025 /1221 PM PST Sun Jan 26 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ SP
410 WWUS75 KBOI 270912 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 212 AM MST Mon Jan 27 2025 IDZ028-272200- /O.EXT.KBOI.CW.Y.0001.000000T0000Z-250129T1500Z/ Camas Prairie- Including the cities of Fairfield 212 AM MST Mon Jan 27 2025 ...COLD WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM MST WEDNESDAY... * WHAT...Very cold wind chills as low as 29 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Wednesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-272200- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Dunnean, Council, Silver City, Caldwell, Grasmere, McCall, Mountain Home, Lowman, Cambridge, Midvale, Twin Falls, Diamond, Jerome, Crane, Murphy Hot Springs, Venator, Nyssa, Rogerson, Cascade, Malheur City, New Princeton, Riddle, Boise, Nampa, Buchanan, Hollister, Garden Valley, Pine, Burns, Ontario, Baker, and Idaho City 212 AM MST Mon Jan 27 2025 /112 AM PST Mon Jan 27 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC
595 WWUS75 KBOI 272154 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 254 PM MST Mon Jan 27 2025 IDZ028-282200- /O.CON.KBOI.CW.Y.0001.000000T0000Z-250129T1500Z/ Camas Prairie- Including the cities of Fairfield 254 PM MST Mon Jan 27 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST WEDNESDAY... * WHAT...Very cold wind chills as low as 25 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Wednesday. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-282200- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Riddle, Grasmere, Hollister, Buchanan, Venator, Idaho City, Crane, New Princeton, Murphy Hot Springs, Midvale, Council, Jerome, Lowman, Rogerson, Burns, Mountain Home, Cambridge, Ontario, Silver City, Boise, Twin Falls, Caldwell, Garden Valley, Diamond, Dunnean, Malheur City, Baker, Nampa, McCall, Pine, Nyssa, and Cascade 254 PM MST Mon Jan 27 2025 /154 PM PST Mon Jan 27 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
674 WWUS75 KBOI 282058 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 158 PM MST Tue Jan 28 2025 IDZ028-291500- /O.CON.KBOI.CW.Y.0001.000000T0000Z-250129T1500Z/ Camas Prairie- Including the cities of Fairfield 158 PM MST Tue Jan 28 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST WEDNESDAY... * WHAT...Very cold temperatures as low as 12 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Wednesday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...The coldest periods will be 4 AM to 8 AM each morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-291500- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Diamond, Crane, Pine, Twin Falls, McCall, Buchanan, Mountain Home, Caldwell, Ontario, Midvale, Cascade, Council, Lowman, Grasmere, Nampa, Dunnean, Jerome, Silver City, Burns, Malheur City, Garden Valley, Nyssa, Murphy Hot Springs, Idaho City, Hollister, Baker, Cambridge, Boise, New Princeton, Rogerson, Venator, and Riddle 158 PM MST Tue Jan 28 2025 /1258 PM PST Tue Jan 28 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ JM
443 WWUS75 KBOI 291441 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 741 AM MST Wed Jan 29 2025 IDZ028-291545- /O.EXP.KBOI.CW.Y.0001.000000T0000Z-250129T1500Z/ Camas Prairie- Including the cities of Fairfield 741 AM MST Wed Jan 29 2025 ...COLD WEATHER ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING... A warming air mass will result in temperatures that no longer meet criteria for a Cold Weather Advisory. $$ IDZ011>016-029-030-033-ORZ061>064-292245- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Rogerson, Midvale, Caldwell, Mountain Home, Cambridge, Nampa, Baker, Malheur City, Lowman, Garden Valley, Boise, Buchanan, Grasmere, Dunnean, Pine, Murphy Hot Springs, Cascade, Silver City, Council, Burns, New Princeton, Jerome, Diamond, Crane, Idaho City, Ontario, Nyssa, McCall, Twin Falls, Hollister, Riddle, and Venator 741 AM MST Wed Jan 29 2025 /641 AM PST Wed Jan 29 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
119 WWUS75 KBOI 292002 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 102 PM MST Wed Jan 29 2025 IDZ011>016-029-030-033-ORZ061>064-302200- /O.EXT.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Rogerson, Ontario, Murphy Hot Springs, Nampa, Idaho City, Mountain Home, Jerome, Venator, Cascade, Lowman, Riddle, Grasmere, Pine, Crane, Council, Buchanan, Boise, Baker, Nyssa, Diamond, Silver City, Garden Valley, Dunnean, New Princeton, McCall, Midvale, Twin Falls, Cambridge, Caldwell, Burns, Malheur City, and Hollister 102 PM MST Wed Jan 29 2025 /1202 PM PST Wed Jan 29 2025/ ...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 5 AM MST /4 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
708 WWUS75 KBOI 302133 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 233 PM MST Thu Jan 30 2025 IDZ011>016-029-030-033-ORZ061>064-311200- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Nyssa, Pine, Cambridge, New Princeton, Rogerson, Lowman, Murphy Hot Springs, Caldwell, Burns, Nampa, Twin Falls, Jerome, Garden Valley, Idaho City, Silver City, Hollister, Cascade, Malheur City, Venator, Boise, Baker, Riddle, McCall, Mountain Home, Council, Crane, Dunnean, Grasmere, Diamond, Midvale, Ontario, and Buchanan 233 PM MST Thu Jan 30 2025 /133 PM PST Thu Jan 30 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
629 WWUS75 KBOI 311136 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 436 AM MST Fri Jan 31 2025 IDZ011>016-029-030-033-ORZ061>064-311245- /O.EXP.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of McCall, Diamond, Malheur City, Nyssa, Jerome, Nampa, Buchanan, Idaho City, Grasmere, Cascade, Venator, Burns, Caldwell, Crane, Ontario, Riddle, Pine, Garden Valley, Midvale, Lowman, Mountain Home, Cambridge, New Princeton, Boise, Murphy Hot Springs, Dunnean, Rogerson, Silver City, Council, Hollister, Twin Falls, and Baker 436 AM MST Fri Jan 31 2025 /336 AM PST Fri Jan 31 2025/ ...AIR STAGNATION ADVISORY WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY THIS MORNING... Winds and precipitation will improve mixing and eliminate the inversion and stagnant conditions. $$ BW
Permalink to 202501251727-KBOI-WWUS75-NPWBOI
916 WWUS75 KBOI 251727 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 1027 AM MST Sat Jan 25 2025 IDZ011>016-029-030-033-ORZ061>064-262200- /O.NEW.KBOI.AS.Y.0003.250126T1800Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Council, Buchanan, Silver City, Idaho City, Jerome, Twin Falls, Midvale, Diamond, Murphy Hot Springs, Nyssa, McCall, Cambridge, Dunnean, New Princeton, Caldwell, Ontario, Boise, Hollister, Pine, Mountain Home, Grasmere, Riddle, Garden Valley, Baker, Nampa, Malheur City, Cascade, Crane, Rogerson, Burns, Lowman, and Venator 1027 AM MST Sat Jan 25 2025 /927 AM PST Sat Jan 25 2025/ ...AIR STAGNATION ADVISORY IN EFFECT FROM 11 AM MST /10 AM PST/ SUNDAY TO 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...From 11 AM MST /10 AM PST/ Sunday to 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ IDZ028-262200- /O.CON.KBOI.CW.Y.0001.250126T0400Z-250127T1500Z/ Camas Prairie- Including the cities of Fairfield 1027 AM MST Sat Jan 25 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 9 PM THIS EVENING TO 8 AM MST MONDAY... * WHAT...Very cold wind chills as low as 29 below expected. * WHERE...Camas Prairie. * WHEN...From 9 PM this evening to 8 AM MST Monday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ SP
Permalink to 202501260830-KBOI-WWUS75-NPWBOI
828 WWUS75 KBOI 260830 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 130 AM MST Sun Jan 26 2025 IDZ028-262200- /O.EXT.KBOI.CW.Y.0001.000000T0000Z-250128T1500Z/ Camas Prairie- Including the cities of Fairfield 130 AM MST Sun Jan 26 2025 ...COLD WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM MST TUESDAY... * WHAT...Very cold wind chills as low as 28 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. * ADDITIONAL DETAILS...The coldest periods will be 4 AM to 8 AM each morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-262200- /O.CON.KBOI.AS.Y.0003.250126T1800Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Dunnean, Cambridge, Mountain Home, McCall, Diamond, Burns, Pine, Crane, Riddle, Baker, Grasmere, Cascade, Murphy Hot Springs, Boise, New Princeton, Council, Jerome, Idaho City, Silver City, Nampa, Midvale, Nyssa, Venator, Twin Falls, Garden Valley, Buchanan, Ontario, Malheur City, Caldwell, Hollister, Lowman, and Rogerson 130 AM MST Sun Jan 26 2025 /1230 AM PST Sun Jan 26 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT FROM 11 AM MST /10 AM PST/ THIS MORNING TO 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...From 11 AM MST /10 AM PST/ this morning to 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC
Permalink to 202501262021-KBOI-WWUS75-NPWBOI
872 WWUS75 KBOI 262021 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 121 PM MST Sun Jan 26 2025 IDZ028-272200- /O.CON.KBOI.CW.Y.0001.000000T0000Z-250128T1500Z/ Camas Prairie- Including the cities of Fairfield 121 PM MST Sun Jan 26 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST TUESDAY... * WHAT...Very cold wind chills as low as 29 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Tuesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-272200- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Rogerson, Baker, Nyssa, Pine, Cambridge, Burns, Twin Falls, New Princeton, Riddle, Malheur City, Cascade, Nampa, Idaho City, Council, Ontario, Mountain Home, Midvale, Crane, Grasmere, Hollister, Caldwell, McCall, Venator, Boise, Garden Valley, Diamond, Silver City, Murphy Hot Springs, Lowman, Jerome, Buchanan, and Dunnean 121 PM MST Sun Jan 26 2025 /1221 PM PST Sun Jan 26 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ SP
Permalink to 202501270912-KBOI-WWUS75-NPWBOI
410 WWUS75 KBOI 270912 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 212 AM MST Mon Jan 27 2025 IDZ028-272200- /O.EXT.KBOI.CW.Y.0001.000000T0000Z-250129T1500Z/ Camas Prairie- Including the cities of Fairfield 212 AM MST Mon Jan 27 2025 ...COLD WEATHER ADVISORY NOW IN EFFECT UNTIL 8 AM MST WEDNESDAY... * WHAT...Very cold wind chills as low as 29 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Wednesday. * IMPACTS...The dangerously cold wind chills as low as 30 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-272200- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Dunnean, Council, Silver City, Caldwell, Grasmere, McCall, Mountain Home, Lowman, Cambridge, Midvale, Twin Falls, Diamond, Jerome, Crane, Murphy Hot Springs, Venator, Nyssa, Rogerson, Cascade, Malheur City, New Princeton, Riddle, Boise, Nampa, Buchanan, Hollister, Garden Valley, Pine, Burns, Ontario, Baker, and Idaho City 212 AM MST Mon Jan 27 2025 /112 AM PST Mon Jan 27 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ LC
Permalink to 202501272154-KBOI-WWUS75-NPWBOI
595 WWUS75 KBOI 272154 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 254 PM MST Mon Jan 27 2025 IDZ028-282200- /O.CON.KBOI.CW.Y.0001.000000T0000Z-250129T1500Z/ Camas Prairie- Including the cities of Fairfield 254 PM MST Mon Jan 27 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST WEDNESDAY... * WHAT...Very cold wind chills as low as 25 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Wednesday. * IMPACTS...The dangerously cold wind chills as low as 25 below zero could cause frostbite on exposed skin in as little as 30 minutes. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-282200- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Riddle, Grasmere, Hollister, Buchanan, Venator, Idaho City, Crane, New Princeton, Murphy Hot Springs, Midvale, Council, Jerome, Lowman, Rogerson, Burns, Mountain Home, Cambridge, Ontario, Silver City, Boise, Twin Falls, Caldwell, Garden Valley, Diamond, Dunnean, Malheur City, Baker, Nampa, McCall, Pine, Nyssa, and Cascade 254 PM MST Mon Jan 27 2025 /154 PM PST Mon Jan 27 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
Permalink to 202501282058-KBOI-WWUS75-NPWBOI
674 WWUS75 KBOI 282058 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 158 PM MST Tue Jan 28 2025 IDZ028-291500- /O.CON.KBOI.CW.Y.0001.000000T0000Z-250129T1500Z/ Camas Prairie- Including the cities of Fairfield 158 PM MST Tue Jan 28 2025 ...COLD WEATHER ADVISORY REMAINS IN EFFECT UNTIL 8 AM MST WEDNESDAY... * WHAT...Very cold temperatures as low as 12 below. * WHERE...Camas Prairie. * WHEN...Until 8 AM MST Wednesday. * IMPACTS...Very cold temperatures can lead to hypothermia with prolonged exposure. * ADDITIONAL DETAILS...The coldest periods will be 4 AM to 8 AM each morning. PRECAUTIONARY/PREPAREDNESS ACTIONS... Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. && $$ IDZ011>016-029-030-033-ORZ061>064-291500- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Diamond, Crane, Pine, Twin Falls, McCall, Buchanan, Mountain Home, Caldwell, Ontario, Midvale, Cascade, Council, Lowman, Grasmere, Nampa, Dunnean, Jerome, Silver City, Burns, Malheur City, Garden Valley, Nyssa, Murphy Hot Springs, Idaho City, Hollister, Baker, Cambridge, Boise, New Princeton, Rogerson, Venator, and Riddle 158 PM MST Tue Jan 28 2025 /1258 PM PST Tue Jan 28 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that can trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$ JM
Permalink to 202501291441-KBOI-WWUS75-NPWBOI
443 WWUS75 KBOI 291441 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 741 AM MST Wed Jan 29 2025 IDZ028-291545- /O.EXP.KBOI.CW.Y.0001.000000T0000Z-250129T1500Z/ Camas Prairie- Including the cities of Fairfield 741 AM MST Wed Jan 29 2025 ...COLD WEATHER ADVISORY WILL EXPIRE AT 8 AM MST THIS MORNING... A warming air mass will result in temperatures that no longer meet criteria for a Cold Weather Advisory. $$ IDZ011>016-029-030-033-ORZ061>064-292245- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1600Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Rogerson, Midvale, Caldwell, Mountain Home, Cambridge, Nampa, Baker, Malheur City, Lowman, Garden Valley, Boise, Buchanan, Grasmere, Dunnean, Pine, Murphy Hot Springs, Cascade, Silver City, Council, Burns, New Princeton, Jerome, Diamond, Crane, Idaho City, Ontario, Nyssa, McCall, Twin Falls, Hollister, Riddle, and Venator 741 AM MST Wed Jan 29 2025 /641 AM PST Wed Jan 29 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 9 AM MST /8 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 9 AM MST /8 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
Permalink to 202501292002-KBOI-WWUS75-NPWBOI
119 WWUS75 KBOI 292002 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 102 PM MST Wed Jan 29 2025 IDZ011>016-029-030-033-ORZ061>064-302200- /O.EXT.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Rogerson, Ontario, Murphy Hot Springs, Nampa, Idaho City, Mountain Home, Jerome, Venator, Cascade, Lowman, Riddle, Grasmere, Pine, Crane, Council, Buchanan, Boise, Baker, Nyssa, Diamond, Silver City, Garden Valley, Dunnean, New Princeton, McCall, Midvale, Twin Falls, Cambridge, Caldwell, Burns, Malheur City, and Hollister 102 PM MST Wed Jan 29 2025 /1202 PM PST Wed Jan 29 2025/ ...AIR STAGNATION ADVISORY NOW IN EFFECT UNTIL 5 AM MST /4 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
Permalink to 202501302133-KBOI-WWUS75-NPWBOI
708 WWUS75 KBOI 302133 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 233 PM MST Thu Jan 30 2025 IDZ011>016-029-030-033-ORZ061>064-311200- /O.CON.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of Nyssa, Pine, Cambridge, New Princeton, Rogerson, Lowman, Murphy Hot Springs, Caldwell, Burns, Nampa, Twin Falls, Jerome, Garden Valley, Idaho City, Silver City, Hollister, Cascade, Malheur City, Venator, Boise, Baker, Riddle, McCall, Mountain Home, Council, Crane, Dunnean, Grasmere, Diamond, Midvale, Ontario, and Buchanan 233 PM MST Thu Jan 30 2025 /133 PM PST Thu Jan 30 2025/ ...AIR STAGNATION ADVISORY REMAINS IN EFFECT UNTIL 5 AM MST /4 AM PST/ FRIDAY... * WHAT...An extended period of stagnant air, with light winds and little vertical mixing. This is due to an inversion near the surface that will continue to trap pollutants. * WHERE...Portions of south central, southwest, and west central Idaho and northeast and southeast Oregon. * WHEN...Until 5 AM MST /4 AM PST/ Friday. * IMPACTS...Poor air quality may cause issues for people with respiratory problems. PRECAUTIONARY/PREPAREDNESS ACTIONS... Persons with respiratory illness should follow their physicians advice for dealing with high levels of air pollution during periods of stagnant air. && $$
Permalink to 202501311136-KBOI-WWUS75-NPWBOI
629 WWUS75 KBOI 311136 NPWBOI URGENT - WEATHER MESSAGE National Weather Service Boise ID 436 AM MST Fri Jan 31 2025 IDZ011>016-029-030-033-ORZ061>064-311245- /O.EXP.KBOI.AS.Y.0003.000000T0000Z-250131T1200Z/ West Central Mountains-Lower Treasure Valley ID-Boise Mountains- Upper Treasure Valley-Southwest Highlands-Western Magic Valley- Owyhee Mountains-Southern Twin Falls County-Upper Weiser River- Harney County-Baker County-Malheur County-Oregon Lower Treasure Valley- Including the cities of McCall, Diamond, Malheur City, Nyssa, Jerome, Nampa, Buchanan, Idaho City, Grasmere, Cascade, Venator, Burns, Caldwell, Crane, Ontario, Riddle, Pine, Garden Valley, Midvale, Lowman, Mountain Home, Cambridge, New Princeton, Boise, Murphy Hot Springs, Dunnean, Rogerson, Silver City, Council, Hollister, Twin Falls, and Baker 436 AM MST Fri Jan 31 2025 /336 AM PST Fri Jan 31 2025/ ...AIR STAGNATION ADVISORY WILL EXPIRE AT 5 AM MST /4 AM PST/ EARLY THIS MORNING... Winds and precipitation will improve mixing and eliminate the inversion and stagnant conditions. $$ BW
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