An arctic airmass brought another round of dangerously cold wind chills to the region overnight. As can be seen in the map below, the coldest wind chills generally ranged from 25 below to 40 below zero, and occurred within an hour or two of sunrise Monday morning. A list of values is also available below the map.
List of coldest wind chills reported
LOCATION WIND CHILL TIME/DATE HURON REGIONAL AIRPORT -42 0655 AM 12/23 4 ENE JEFFERS -40 0729 AM 12/23 1 ENE MADISON -40 0750 AM 12/23 RAMONA -39 0759 AM 12/23 1 SW HURON -39 0921 AM 12/23 3 NNW DE SMET -38 0155 AM 12/23 1 WNW LAKE BENTON -38 0711 AM 12/23 3 S HENDRICKS -38 0657 AM 12/23 WINDOM MUNI AP -38 0713 AM 12/23 3 W DOVRAY -38 0750 AM 12/23 VOLGA -38 0525 AM 12/23 PIPESTONE -37 0853 AM 12/23 SLAYTON MUNICIPAL AIRPORT -37 0754 AM 12/23 MARSHALL MUNICIPAL-RYAN FIELD -37 0715 AM 12/23 ROCK RAPIDS -37 0813 AM 12/23 ORANGE CITY -36 0755 AM 12/23 3 S COLTON -36 0617 AM 12/23 CANTON -36 0815 AM 12/23 WORTHINGTON MUNICIPAL AIRPORT -35 0735 AM 12/23 PIPESTONE -35 0621 AM 12/23 SIOUX FALLS -35 0756 AM 12/23 JACKSON -35 0753 AM 12/23 1 E WAHPETON -35 1034 AM 12/23 4 SE LAKEFIELD -35 0707 AM 12/23 1 WSW BEAVER CREEK -35 0728 AM 12/23 TRACY -35 0658 AM 12/23 1 WSW ORANGE CITY -35 0806 AM 12/23 HULL -35 0841 AM 12/23 1 ENE TEA -35 0855 AM 12/23 SHELDON -34 0855 AM 12/23 MINNEOTA -34 0730 AM 12/23 TYLER -34 0626 AM 12/23 FLANDREAU -34 0827 AM 12/23 CLEGHORN -33 0809 AM 12/23 SPENCER MUNICIPAL AIRPORT -33 0753 AM 12/23 SIBLEY -33 0831 AM 12/23 1 W WORTHINGTON -33 0943 AM 12/23 INWOOD CHRISTIAN SCHOOL -32 0807 AM 12/23 LUVERNE -32 0753 AM 12/23 3 W DICKENS -32 0801 AM 12/23 ETHAN -32 0634 AM 12/23 CHAMBERLAIN MUNICIPAL AIRPORT -32 0552 AM 12/23 1 SE PARKSTON -31 0855 AM 12/23 3 SSW SIOUX FALLS -31 0750 AM 12/23 SIOUX CENTER -31 0744 AM 12/23 STORM LAKE -31 0755 AM 12/23 2 ENE TRUESDALE -31 0745 AM 12/23 MITCHELL MUNICIPAL AIRPORT -31 0453 AM 12/23 2 W ARCO -31 0240 AM 12/23 MITCHELL -31 0621 AM 12/23 PARKSTON -31 0607 AM 12/23 GARRETSON -31 0452 AM 12/23 1 SSW VERMILLION -30 0915 AM 12/23 GARRETSON -30 0814 AM 12/23 LAKE ANDES RAWS -30 0641 AM 12/23 SIOUX CENTER -30 0818 AM 12/23 3 SSE LAKE PARK -30 0940 AM 12/23 CHAN GURNEY MUNICIPAL AIRPORT -29 0935 AM 12/23 4 NNE TEA -29 0758 AM 12/23 LE MARS -29 0735 AM 12/23 LUVERNE -28 1043 AM 12/23 1 NE PLATTE -28 0655 AM 12/23 1 SSE SIOUX CITY -27 0800 AM 12/23 1 SE BROOKINGS -27 1147 PM 12/22 VERMILLION -27 0917 AM 12/23 SIOUX GATEWAY AIRPORT -27 0952 AM 12/23 5 W GARRETSON -26 0100 AM 12/23 4 SSE WESTFIELD -26 0811 AM 12/23 ELK POINT -26 0701 AM 12/23 ASHTON -26 0917 AM 12/23 1 NNE ROUND LAKE -25 0528 AM 12/23 4 NE EMERSON -25 0713 AM 12/23 1 NW IDA GROVE -25 0811 AM 12/23 HOWARD -25 1223 PM 12/23 SIOUX FALLS -25 0637 AM 12/23 1 WSW CHAMBERLAIN -24 0931 AM 12/23 YANKTON -23 0859 AM 12/23 1 ESE GREGORY -23 0535 AM 12/23 3 SSE CORRECTIONVILLE -23 0900 AM 12/23 CHEROKEE MUNICIPAL AIRPORT -22 0735 AM 12/23 PLATTE -22 0417 AM 12/23 5 W SIOUX FALLS -22 0456 AM 12/23