365 SXUS73 KFSD 241603 RERFSD RECORD EVENT REPORT NATIONAL WEATHER SERVICE SIOUX FALLS SD 1000 AM CST THU JAN 24 2008 ...RECORD LOW TEMPERATURES... THIS MORNING BETWEEN 7 AND 8 AM CST..A RECORD LOW TEMPERATURE OF 26 DEGREES BELOW ZERO WAS SET AT YANKTON SOUTH DAKOTA. THIS TIES THE OLD RECORD LOW OF 26 DEGREES BELOW ZERO SET BACK IN 1894 AND 1948. ALSO BETWEEN 7 AND 8 AM CST...A NEW RECORD LOW OF 22 DEGREES BELOW ZERO WAS SET A SPENCER IOWA...BREAKING THE OLD RECORD LOW OF 21 DEGREES BELOW ZERO SET BACK IN 1897. $$ DPM