Arctic air and northwest winds combined to lower wind chill readings to 35 to 40 degrees below zero in much of northwest Iowa from the evening of January 16th to the morning of January 17th. Actual temperatures dropped to around 15 degrees below zero, and northwest winds averaged 10 to 15 mph.

Extreme Cold/Wind Chill in LYON, IOWA
From 16-JAN-16 22:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.

Extreme Cold/Wind Chill in SIOUX, IOWA
From 16-JAN-16 22:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.

Extreme Cold/Wind Chill in OSCEOLA, IOWA
From 16-JAN-16 22:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.

Extreme Cold/Wind Chill in DICKINSON, IOWA
From 16-JAN-16 22:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.

Extreme Cold/Wind Chill in O'BRIEN, IOWA
From 16-JAN-16 23:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.

Extreme Cold/Wind Chill in CLAY, IOWA
From 16-JAN-16 23:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.

Extreme Cold/Wind Chill in CHEROKEE, IOWA
From 16-JAN-16 23:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.

Extreme Cold/Wind Chill in IDA, IOWA
From 16-JAN-16 23:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: COOP Observer

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.

Extreme Cold/Wind Chill in BUENA VISTA, IOWA
From 16-JAN-16 23:00:00 to 17-JAN-16 10:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Wind chills dropped to the 35 to 40 below zero range for much of the night and morning hours on January 16-17. Northwest winds gusted to around 20 mph early in the event, but generally averaged 10 to 15 mph when the coldest wind chills were reached, during which time actual temperatures were around 15 degrees below zero.