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 [KLOT] CHICAGO Red Flag (FW) Warning (W) Number 2
Listing of Counties/Parishes/Zones Included in Product
RADAR Composite at Issuance Time
Storm Based Warning History
447 WWUS83 KLOT 140911 RFWLOT URGENT - FIRE WEATHER MESSAGE National Weather Service Chicago IL 411 AM CDT Fri Mar 14 2025 ILZ003>005-008-010>013-019>023-032-033-039-141715- /O.UPG.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ /O.NEW.KLOT.FW.W.0002.250314T1800Z-250315T0200Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-DuPage-La Salle- Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- 411 AM CDT Fri Mar 14 2025 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING... The National Weather Service in Chicago has issued a Red Flag Warning, which is in effect from 1 PM this afternoon to 9 PM CDT this evening. The Fire Weather Watch is no longer in effect. * Affected Area...Winnebago, Boone, McHenry, Ogle, Lee, De Kalb, Kane, DuPage, La Salle, Kendall, Grundy, Will, Kankakee, Livingston, Iroquois and Ford. * Timing...From 1 PM this afternoon to 9 PM CDT this evening. * Winds...South 25 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ INZ001-002-010-011-019-141715- /O.CON.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ Lake IN-Porter-Newton-Jasper-Benton- 411 AM CDT Fri Mar 14 2025 /511 AM EDT Fri Mar 14 2025/ ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 1 PM CDT /2 PM EDT/ THIS AFTERNOON THROUGH THIS EVENING... * Affected Area...Lake IN, Porter, Newton, Jasper and Benton. * Timing...From 1 PM CDT /2 PM EDT/ this afternoon through this evening. * Winds...South 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 35 to 40 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ ILZ006-014-141715- /O.CON.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ Lake IL-Cook- 411 AM CDT Fri Mar 14 2025 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH THIS EVENING... * Affected Area...Lake IL and Cook. * Timing...From 1 PM CDT this afternoon through this evening. * Winds...South 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * Additional Details...Some onshore component to the wind will result in lower temperatures, higher relative humidity, and lower mixing heights along and near the Lake Michigan shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$
005 WWUS83 KLOT 141512 RFWLOT URGENT - FIRE WEATHER MESSAGE National Weather Service Chicago IL 1012 AM CDT Fri Mar 14 2025 ILZ006-014-142315- /O.UPG.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ /O.EXB.KLOT.FW.W.0002.250314T1800Z-250315T0500Z/ Lake IL-Cook- 1012 AM CDT Fri Mar 14 2025 ...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... The National Weather Service in Chicago has issued a Red Flag Warning, which is in effect until midnight CDT tonight. The Fire Weather Watch is no longer in effect. * Affected Area...Primarily inland areas of Lake IL and Cook Counties. * Timing...Until midnight CDT tonight. * Winds...South 20 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. * Additional Details...Some onshore component to the wind will result in lower temperatures, higher relative humidity, and lower mixing heights along and near the Lake Michigan shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ INZ001-002-010-011-019-142315- /O.UPG.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ /O.EXB.KLOT.FW.W.0002.250314T1800Z-250315T0500Z/ Lake IN-Porter-Newton-Jasper-Benton- 1012 AM CDT Fri Mar 14 2025 /1112 AM EDT Fri Mar 14 2025/ ...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT CDT /1 AM EDT/ TONIGHT... The National Weather Service in Chicago has issued a Red Flag Warning, which is in effect until midnight CDT /1 AM EDT/ tonight. The Fire Weather Watch is no longer in effect. * Affected Area...Lake IN, Porter, Newton, Jasper and Benton Counties. * Timing...Until midnight CDT /1 AM EDT/ tonight. * Winds...South 20 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ ILZ003>005-008-010>013-019>023-032-033-039-142315- /O.EXT.KLOT.FW.W.0002.250314T1800Z-250315T0500Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-DuPage-La Salle- Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- 1012 AM CDT Fri Mar 14 2025 ...RED FLAG WARNING NOW IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... * Affected Area...Winnebago, Boone, McHenry, Ogle, Lee, De Kalb, Kane, DuPage, La Salle, Kendall, Grundy, Will, Kankakee, Livingston, Iroquois and Ford Counties. * Timing...Until midnight CDT tonight. * Winds...South 25 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ RC
044 WWUS83 KLOT 142048 RFWLOT URGENT - FIRE WEATHER MESSAGE National Weather Service Chicago IL 348 PM CDT Fri Mar 14 2025 ILZ006-014-150500- /O.CON.KLOT.FW.W.0002.000000T0000Z-250315T0500Z/ Lake IL-Cook- 348 PM CDT Fri Mar 14 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... * Affected Area...Primarily inland areas of Lake IL and Cook Counties. * Timing...Until midnight CDT tonight. * Winds...South 25 to 35 mph with gusts up to 55 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. * Additional Details...Some onshore component to the wind will result in lower temperatures, higher relative humidity, and lower mixing heights along and near the Lake Michigan shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ ILZ003>005-008-010>013-019>023-032-033-039-INZ001-002-010-011-019- 150500- /O.CON.KLOT.FW.W.0002.000000T0000Z-250315T0500Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-DuPage-La Salle- Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-Lake IN- Porter-Newton-Jasper-Benton- 348 PM CDT Fri Mar 14 2025 /448 PM EDT Fri Mar 14 2025/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT /1 AM EDT/ TONIGHT... * Affected Area...Lake IN, Porter, Winnebago, Boone, McHenry, Ogle, Lee, Newton, De Kalb, Jasper, Kane, DuPage, La Salle, Benton, Kendall, Grundy, Will, Kankakee, Livingston, Iroquois and Ford. * Timing...Until midnight CDT /1 AM EDT/ tonight. * Winds...South 25 to 35 mph with gusts up to 55 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
366 WWUS83 KLOT 150504 RFWLOT URGENT - FIRE WEATHER MESSAGE National Weather Service Chicago IL 1204 AM CDT Sat Mar 15 2025 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 150615- /O.EXP.KLOT.FW.W.0002.000000T0000Z-250315T0500Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook- La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- Lake IN-Porter-Newton-Jasper-Benton- 1204 AM CDT Sat Mar 15 2025 /104 AM EDT Sat Mar 15 2025/ ...RED FLAG WARNING HAS EXPIRED... Rain will spread across the entire area early this morning. $$
Permalink to 202503140911-KLOT-WWUS83-RFWLOT
447 WWUS83 KLOT 140911 RFWLOT URGENT - FIRE WEATHER MESSAGE National Weather Service Chicago IL 411 AM CDT Fri Mar 14 2025 ILZ003>005-008-010>013-019>023-032-033-039-141715- /O.UPG.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ /O.NEW.KLOT.FW.W.0002.250314T1800Z-250315T0200Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-DuPage-La Salle- Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- 411 AM CDT Fri Mar 14 2025 ...RED FLAG WARNING IN EFFECT FROM 1 PM THIS AFTERNOON TO 9 PM CDT THIS EVENING... The National Weather Service in Chicago has issued a Red Flag Warning, which is in effect from 1 PM this afternoon to 9 PM CDT this evening. The Fire Weather Watch is no longer in effect. * Affected Area...Winnebago, Boone, McHenry, Ogle, Lee, De Kalb, Kane, DuPage, La Salle, Kendall, Grundy, Will, Kankakee, Livingston, Iroquois and Ford. * Timing...From 1 PM this afternoon to 9 PM CDT this evening. * Winds...South 25 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ INZ001-002-010-011-019-141715- /O.CON.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ Lake IN-Porter-Newton-Jasper-Benton- 411 AM CDT Fri Mar 14 2025 /511 AM EDT Fri Mar 14 2025/ ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 1 PM CDT /2 PM EDT/ THIS AFTERNOON THROUGH THIS EVENING... * Affected Area...Lake IN, Porter, Newton, Jasper and Benton. * Timing...From 1 PM CDT /2 PM EDT/ this afternoon through this evening. * Winds...South 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 35 to 40 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$ ILZ006-014-141715- /O.CON.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ Lake IL-Cook- 411 AM CDT Fri Mar 14 2025 ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH THIS EVENING... * Affected Area...Lake IL and Cook. * Timing...From 1 PM CDT this afternoon through this evening. * Winds...South 20 to 30 mph with gusts up to 45 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * Additional Details...Some onshore component to the wind will result in lower temperatures, higher relative humidity, and lower mixing heights along and near the Lake Michigan shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings. && $$
Permalink to 202503141512-KLOT-WWUS83-RFWLOT
005 WWUS83 KLOT 141512 RFWLOT URGENT - FIRE WEATHER MESSAGE National Weather Service Chicago IL 1012 AM CDT Fri Mar 14 2025 ILZ006-014-142315- /O.UPG.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ /O.EXB.KLOT.FW.W.0002.250314T1800Z-250315T0500Z/ Lake IL-Cook- 1012 AM CDT Fri Mar 14 2025 ...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... The National Weather Service in Chicago has issued a Red Flag Warning, which is in effect until midnight CDT tonight. The Fire Weather Watch is no longer in effect. * Affected Area...Primarily inland areas of Lake IL and Cook Counties. * Timing...Until midnight CDT tonight. * Winds...South 20 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. * Additional Details...Some onshore component to the wind will result in lower temperatures, higher relative humidity, and lower mixing heights along and near the Lake Michigan shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ INZ001-002-010-011-019-142315- /O.UPG.KLOT.FW.A.0002.250314T1800Z-250315T0200Z/ /O.EXB.KLOT.FW.W.0002.250314T1800Z-250315T0500Z/ Lake IN-Porter-Newton-Jasper-Benton- 1012 AM CDT Fri Mar 14 2025 /1112 AM EDT Fri Mar 14 2025/ ...RED FLAG WARNING IN EFFECT UNTIL MIDNIGHT CDT /1 AM EDT/ TONIGHT... The National Weather Service in Chicago has issued a Red Flag Warning, which is in effect until midnight CDT /1 AM EDT/ tonight. The Fire Weather Watch is no longer in effect. * Affected Area...Lake IN, Porter, Newton, Jasper and Benton Counties. * Timing...Until midnight CDT /1 AM EDT/ tonight. * Winds...South 20 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ ILZ003>005-008-010>013-019>023-032-033-039-142315- /O.EXT.KLOT.FW.W.0002.250314T1800Z-250315T0500Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-DuPage-La Salle- Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- 1012 AM CDT Fri Mar 14 2025 ...RED FLAG WARNING NOW IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... * Affected Area...Winnebago, Boone, McHenry, Ogle, Lee, De Kalb, Kane, DuPage, La Salle, Kendall, Grundy, Will, Kankakee, Livingston, Iroquois and Ford Counties. * Timing...Until midnight CDT tonight. * Winds...South 25 to 35 mph with gusts up to 50 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ RC
Permalink to 202503142048-KLOT-WWUS83-RFWLOT
044 WWUS83 KLOT 142048 RFWLOT URGENT - FIRE WEATHER MESSAGE National Weather Service Chicago IL 348 PM CDT Fri Mar 14 2025 ILZ006-014-150500- /O.CON.KLOT.FW.W.0002.000000T0000Z-250315T0500Z/ Lake IL-Cook- 348 PM CDT Fri Mar 14 2025 ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT TONIGHT... * Affected Area...Primarily inland areas of Lake IL and Cook Counties. * Timing...Until midnight CDT tonight. * Winds...South 25 to 35 mph with gusts up to 55 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. * Additional Details...Some onshore component to the wind will result in lower temperatures, higher relative humidity, and lower mixing heights along and near the Lake Michigan shore. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$ ILZ003>005-008-010>013-019>023-032-033-039-INZ001-002-010-011-019- 150500- /O.CON.KLOT.FW.W.0002.000000T0000Z-250315T0500Z/ Winnebago-Boone-McHenry-Ogle-Lee-De Kalb-Kane-DuPage-La Salle- Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford-Lake IN- Porter-Newton-Jasper-Benton- 348 PM CDT Fri Mar 14 2025 /448 PM EDT Fri Mar 14 2025/ ...RED FLAG WARNING REMAINS IN EFFECT UNTIL MIDNIGHT CDT /1 AM EDT/ TONIGHT... * Affected Area...Lake IN, Porter, Winnebago, Boone, McHenry, Ogle, Lee, Newton, De Kalb, Jasper, Kane, DuPage, La Salle, Benton, Kendall, Grundy, Will, Kankakee, Livingston, Iroquois and Ford. * Timing...Until midnight CDT /1 AM EDT/ tonight. * Winds...South 25 to 35 mph with gusts up to 55 mph. * Relative Humidity...As low as 30 to 35 percent. * Impacts...Any fire that develops will spread quickly. Outdoor burning is strongly discouraged. PRECAUTIONARY/PREPAREDNESS ACTIONS... A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior. && $$
Permalink to 202503150504-KLOT-WWUS83-RFWLOT
366 WWUS83 KLOT 150504 RFWLOT URGENT - FIRE WEATHER MESSAGE National Weather Service Chicago IL 1204 AM CDT Sat Mar 15 2025 ILZ003>006-008-010>014-019>023-032-033-039-INZ001-002-010-011-019- 150615- /O.EXP.KLOT.FW.W.0002.000000T0000Z-250315T0500Z/ Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-Cook- La Salle-Kendall-Grundy-Will-Kankakee-Livingston-Iroquois-Ford- Lake IN-Porter-Newton-Jasper-Benton- 1204 AM CDT Sat Mar 15 2025 /104 AM EDT Sat Mar 15 2025/ ...RED FLAG WARNING HAS EXPIRED... Rain will spread across the entire area early this morning. $$
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