A quick moving clipper system deepened rapidly and carved out a closed upper level low across the western Great Lakes as it dropped southeast from the Canadian prairie provinces on the evening of January 14. The system produced a half inch to inch and a half snowfall through January 15, as well as a brutal rush of arctic air into the region with winds gusting up to 40 mph.

Cold/Wind Chill in IDA, IOWA
From 15-JAN-18 03:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Department of Highways

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.

Cold/Wind Chill in CHEROKEE, IOWA
From 15-JAN-18 03:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.

Cold/Wind Chill in WOODBURY, IOWA
From 15-JAN-18 05:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.

Cold/Wind Chill in PLYMOUTH, IOWA
From 15-JAN-18 04:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.

Cold/Wind Chill in SIOUX, IOWA
From 15-JAN-18 04:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.

Cold/Wind Chill in O'BRIEN, IOWA
From 15-JAN-18 01:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.

Cold/Wind Chill in OSCEOLA, IOWA
From 15-JAN-18 01:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.

Cold/Wind Chill in LYON, IOWA
From 15-JAN-18 01:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.

Cold/Wind Chill in BUENA VISTA, IOWA
From 15-JAN-18 01:00:00 to 16-JAN-18 11:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Northwest winds gusting to 25 to 40 mph along with temperatures falling to subzero levels produced dangerous wind chills from -25 to -35. A minimum wind chill of -32 occurred at Sheldon and Storm Lake, -28 at Cherokee and Sioux City, -27 at Orange City and -26 at Le Mars.