An arctic cold front over southern Canada moved southeast into the Ohio River valley in the evening hours of January 14th. This brought bitterly cold temperatures and wind chills across portions of southwest and central Wisconsin in the evening hours of January 14th through the morning hours of January 16th. Lowest wind chill values ranged from -33F in Jackson county to -42F in Grant county.

Extreme Cold/Wind Chill in CRAWFORD, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

A wind chill value of -24F was recorded by equipment at Prairie du Chien, but unofficial readings of -26F were reported from the Mount Sterling area.

Extreme Cold/Wind Chill in VERNON, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Extreme Cold/Wind Chill in LA CROSSE, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Official NWS Observations

Lowest wind chill values ranged from -35F at Onalaska to -41F at the National Weather Service Office in La Crosse on January 15th.

Extreme Cold/Wind Chill in MONROE, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Unofficial lowest wind chill values ranged from -35F at 4 miles north of Tomah to -40F at Sparta in the morning hours on January 15th.

Extreme Cold/Wind Chill in RICHLAND, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An unofficial lowest wind chill value of -38F was observed at Richland Center in the morning hours on January 15th.

Extreme Cold/Wind Chill in TAYLOR, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Unofficial lowest wind chill values ranged from -31F at Diamond Lake to -40F at Medford in the morning hours on January 15th.

Extreme Cold/Wind Chill in TREMPEALEAU, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Public

Extreme Cold/Wind Chill in BUFFALO, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An unofficial lowest wind chill value of -40F was observed at Buffalo in the morning hours on January 15th.

Extreme Cold/Wind Chill in CLARK, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An unofficial lowest wind chill value of -40F was observed at Loyal in the morning hours on January 15th.

Extreme Cold/Wind Chill in GRANT, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Unofficial lowest wind chill values ranged from -37F at Dickeyville to -42F at Fennimore in the morning hours on January 15th.

Extreme Cold/Wind Chill in JACKSON, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: RAWS

Unofficial lowest wind chill value of -33F was observed at Black River Falls in the morning hours of January 15th.

Extreme Cold/Wind Chill in JUNEAU, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Unofficial lowest wind chill values ranged from -37F at Necedah to -42F at Volk Field in the morning hours of January 15th.

Extreme Cold/Wind Chill in ADAMS, WISCONSIN
From 14-JAN-09 18:45:00 to 16-JAN-09 09:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

An unofficial lowest wind chill value of -43F was observed at Friendship in the morning hours on January 15th.