A strong warm front allowed temperatures to rise into the 90s to low 100s with dew points in the middle 70s to lower 80s across much of central and east-central Wisconsin on Wednesday (8/23).  The combination of hot temperatures and high dew points allowed heat index values to soar from 100 to 117.

Excessive Heat in PORTAGE, WISCONSIN
From 23-AUG-23 12:00:00 to 23-AUG-23 18:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The combination of hot temperatures and high humidity caused heat index values to rise as high as 110 degrees from the early afternoon through the early evening.

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

The combination of hot temperatures and high humidity caused heat index values to rise as high as 111 degrees from midday through the early evening.

Excessive Heat in MARATHON, WISCONSIN
From 23-AUG-23 12:30:00 to 23-AUG-23 17:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The combination of hot temperatures and high humidity caused heat index values to rise as high as 113 degrees from the early afternoon through the early evening.

Excessive Heat in OUTAGAMIE, WISCONSIN
From 23-AUG-23 10:00:00 to 23-AUG-23 15:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The combination of hot temperatures and high humidity caused heat index values to rise as high as 113 degrees from the late morning through the afternoon.

Excessive Heat in SHAWANO, WISCONSIN
From 23-AUG-23 12:00:00 to 23-AUG-23 14:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The combination of hot temperatures and high humidity caused heat index values to rise as high as 108 degrees during the afternoon.

Excessive Heat in MANITOWOC, WISCONSIN
From 23-AUG-23 11:30:00 to 23-AUG-23 13:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The combination of hot temperatures and high humidity caused heat index values to rise as high as 106 degrees during the afternoon.

Excessive Heat in WINNEBAGO, WISCONSIN
From 23-AUG-23 10:00:00 to 23-AUG-23 17:25:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The combination of hot temperatures and high humidity caused heat index values to rise as high as 117 degrees from the late morning through the early evening.

Excessive Heat in WAUSHARA, WISCONSIN
From 23-AUG-23 10:00:00 to 23-AUG-23 18:50:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

The combination of hot temperatures and high humidity caused heat index values to rise as high as 116 degrees from the late morning through the early evening.

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

The combination of hot temperatures and high humidity caused heat index values to rise as high as 110 degrees from midday through the early evening.

Excessive Heat in BROWN, WISCONSIN
From 23-AUG-23 10:00:00 to 23-AUG-23 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

The combination of hot temperatures and high humidity caused heat index values to rise as high as 108 degrees from the late morning through the afternoon.