Falling temperatures and strong north to northwest winds produced dangerous wind chills throughout the first day of February and on the morning of February 2nd. The extreme cold came as a system which produced light snow and areas of blowing snow at the end of January moved east away from the area.

Extreme Cold/Wind Chill in LYON, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in OSCEOLA, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in DICKINSON, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in O'BRIEN, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in SIOUX, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in CLAY, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in PLYMOUTH, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in BUENA VISTA, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in CHEROKEE, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in WOODBURY, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.

Extreme Cold/Wind Chill in IDA, IOWA
From 01-FEB-11 00:00:00 to 02-FEB-11 12:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

North to northwest winds averaging 15 to 30 mph combined with temperatures dropping below zero to produce wind chills of 20 to 35 below zero on February 1st. On the night of February 1st and the early morning of February 2nd, wind chills continued in this very cold range despite slowly decreasing winds, as temperatures fell further below zero.