Another round of dangerous heat affected southern Wisconsin on July 25th. High temperatures topped out between 98 and 101 degrees, with dew points near 70 combining with the hot temperatures to produce heat index values between 100 and 108 across all of South Central and Southeast Wisconsin.  This heat wave resulted in the 6th day in 2012 with maximum temperatures reaching 100 degrees in the counties of Rock, Walworth, Jefferson, and Waukesha.  Ultimately, the average temperature for the month of July 2012 of 79.4 degrees was the 2nd warmest on record (79.8 in 1901).  Milwaukee's 78.6 tied for 1st place with July of 1921.

Heat in MARQUETTE, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in GREEN LAKE, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in FOND DU LAC, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: ASOS

The maximum heat index value reached 102 in Fond Du Lac County.

Heat in SHEBOYGAN, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: ASOS

The maximum heat index value reached 106 in Sheboygan County.

Heat in SAUK, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: ASOS

The maximum heat index value reached 106 in Sauk County.

Heat in DODGE, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: AWOS

The maximum heat index value reached 107 in Dodge County.

Heat in WASHINGTON, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in OZAUKEE, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in IOWA, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in DANE, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: ASOS

The maximum heat index value in Dane County reached 104.

Heat in WAUKESHA, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in MILWAUKEE, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: ASOS

The maximum heat index value in Milwaukee County reached 103.

Heat in LAFAYETTE, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in JEFFERSON, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in GREEN, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: AWOS

The maximum heat index value in Green County reached 101.

Heat in ROCK, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: AWOS

The maximum heat index value in Rock County reached 103.

Heat in WALWORTH, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: COOP Observer

Heat in RACINE, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: ASOS

The maximum heat index value in Racine County reached 103.

Heat in KENOSHA, WISCONSIN
From 25-JUL-12 13:00:00 to 25-JUL-12 20:00:00 (CST-6)
Reported by: ASOS

The maximum heat index value in Kenosha County reached 109.