Westerly winds brought a very hot and humid air mass into southern WI ahead of a slow moving cold front. Extreme heat index values were observed over much of southern WI for two days.

Excessive Heat in COLUMBIA, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 112-118 degrees Fahrenheit.

Excessive Heat in DANE, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 110-120 degrees Fahrenheit.

Excessive Heat in GREEN, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 107-114 degrees Fahrenheit.

Excessive Heat in IOWA, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 108-119 degrees Fahrenheit.

Excessive Heat in JEFFERSON, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 108-111 degrees Fahrenheit.

Excessive Heat in KENOSHA, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 17:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 114-120 degrees Fahrenheit.

Excessive Heat in RACINE, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 17:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 108-120 degrees Fahrenheit.

Excessive Heat in LAFAYETTE, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 18:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 105-115 degrees Fahrenheit.

Excessive Heat in ROCK, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 18:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 114-123 degrees Fahrenheit.

Excessive Heat in SAUK, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 113-118 degrees Fahrenheit.

Excessive Heat in WALWORTH, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 113-118 degrees Fahrenheit.

Excessive Heat in WAUKESHA, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 16:15:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 107-120 degrees Fahrenheit.

Excessive Heat in WASHINGTON, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 15:15:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 105-115 degrees Fahrenheit.

Excessive Heat in GREEN LAKE, WISCONSIN
From 23-AUG-23 11:00:00 to 23-AUG-23 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 110-116 degrees Fahrenheit.

Excessive Heat in MARQUETTE, WISCONSIN
From 23-AUG-23 11:00:00 to 23-AUG-23 19:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 110-116 degrees Fahrenheit.

Excessive Heat in OZAUKEE, WISCONSIN
From 23-AUG-23 11:00:00 to 23-AUG-23 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 110-115 degrees Fahrenheit.

Excessive Heat in MILWAUKEE, WISCONSIN
From 23-AUG-23 11:00:00 to 23-AUG-23 21:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 115-119 degrees Fahrenheit.

Heat in GREEN LAKE, WISCONSIN
From 23-AUG-23 19:00:00 to 24-AUG-23 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values of 100-105 degrees Fahrenheit.

Heat in MILWAUKEE, WISCONSIN
From 23-AUG-23 21:00:00 to 24-AUG-23 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values of 100-105 degrees Fahrenheit in the southwest portion of the county.

Heat in MARQUETTE, WISCONSIN
From 23-AUG-23 19:00:00 to 24-AUG-23 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values of 100-105 degrees Fahrenheit.

Excessive Heat in DODGE, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 16:15:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 107-115 degrees Fahrenheit.

Excessive Heat in FOND DU LAC, WISCONSIN
From 23-AUG-23 11:00:00 to 24-AUG-23 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 106-120 degrees Fahrenheit.

Excessive Heat in SHEBOYGAN, WISCONSIN
From 23-AUG-23 11:00:00 to 23-AUG-23 17:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Maximum heat index values from 107-112 degrees Fahrenheit.