June ended with two days of excessive heat across western Wisconsin. Heat indices topped out between 105 and 115 on both June 29th and 30th, although the high heat indices were more widespread on the 29th. Air temperatures in the upper 80s to middle 90s with dew points in the middle 70s combined to create the excessive heat. The highest calculated heat index was 115 from mesonet stations in Mauston (Juneau County) and De Soto (Crawford County).

Excessive Heat in BUFFALO, WISCONSIN
From 29-JUN-18 12:00:00 to 30-JUN-18 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat indices of 105 to 115 were common across Buffalo County on June 29th and 30th.

Excessive Heat in TREMPEALEAU, WISCONSIN
From 29-JUN-18 12:00:00 to 30-JUN-18 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat indices of 105 to 115 were common across Trempealeau County on June 29th and 30th.

Excessive Heat in JACKSON, WISCONSIN
From 29-JUN-18 13:00:00 to 30-JUN-18 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat indices of 105 to 110 were common across Jackson County on June 29th and 30th. The highest calculated heat index was 108 at a mesonet station near Black River Falls.

Excessive Heat in LA CROSSE, WISCONSIN
From 29-JUN-18 12:00:00 to 30-JUN-18 15:30:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: ASOS

Heat indices of 105 to 115 were common across La Crosse County on June 29th and 30th. The highest calculated heat index was 114 by the automated weather observing equipment at the La Crosse airport.

Excessive Heat in MONROE, WISCONSIN
From 29-JUN-18 14:15:00 to 30-JUN-18 13:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat indices of 105 to 110 were common across Monroe County on June 29th and 30th. The highest calculated heat index was 106 by the automated weather observing equipment at the Sparta airport.

Excessive Heat in JUNEAU, WISCONSIN
From 29-JUN-18 13:00:00 to 30-JUN-18 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat indices of 105 to 115 were common across Juneau County on June 29th and 30th. The highest calculated heat index was 115 at a mesonet station in Mauston.

Excessive Heat in ADAMS, WISCONSIN
From 29-JUN-18 13:00:00 to 30-JUN-18 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat indices of 105 to 115 were common across Adams County on June 29th and 30th. The highest calculated heat index was 111 at a mesonet station in Friendship.

Excessive Heat in VERNON, WISCONSIN
From 29-JUN-18 13:00:00 to 30-JUN-18 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: AWOS

Heat indices of 105 to 110 were common across Vernon County on June 29th and 30th. The highest calculated heat index was 106 by the automated weather observing equipment at the Viroqua airport.

Excessive Heat in CRAWFORD, WISCONSIN
From 29-JUN-18 13:00:00 to 30-JUN-18 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat indices of 105 to 115 were common across Crawford County on June 29th and 30th. The highest calculated heat index was 115 at a mesonet station in De Soto.

Excessive Heat in RICHLAND, WISCONSIN
From 29-JUN-18 13:00:00 to 30-JUN-18 15:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat indices of 105 to 110 were common across Richland County on June 29th and 30th. The highest calculated heat index was 106 at a mesonet station near Richland Center.

Excessive Heat in GRANT, WISCONSIN
From 29-JUN-18 12:15:00 to 30-JUN-18 16:00:00 (CST-6)
Property damage: 0.00K
Crop damage: 0.00K
Reported by: Mesonet

Heat indices of 105 to 115 were common across Grant County on June 29th and 30th. The highest calculated heat index was 112 at a mesonet station near Boscobel.