High Temperatures and Max Heat Index Values for 6/28/2012, updated 1140 am 6/29

High temperatures on Thursday June 28, 2012, ranged from 91 to 100 across south central and southeast Wisconsin.

However, the combination of heat and humidity, with dewpoints that climbed into the low and mid 70s across all of southern Wisconsin in the morning and early afternoon, caused heat indices to rise to 98 to 108 degrees.  A couple locations had maximum heat index values of 110 to 113.  

The table below shows observed max heat index values and maximum air temperatures for select locations in south central and southeast Wisconsin on Thursday.  Only one location was able to tie or exceed its previous record high temperature -- Madison that tied the previous record of 97 set in 1931. 

Location
Max Heat Index High Temperature
Milwaukee 103 96
Madison 106 97
Racine 108 97
Kenosha 110 100
Sheboygan 103 94
Fond du Lac 101 95
Lone Rock 102 96

NWS Milwaukee/Sullivan

113 97
Waukesha 101 93
Burlington 103 97
Janesville 108 99
Monroe 103 97
Watertown 110 95
Middleton-5 NW 101 96

Below is a graphic of observed maximum air temperatures across southcentral and southeast Wisconsin.  Click on image for larger version.

 june 28 max tmeps

 

Friday, June 29th, will be another hot day with expected maximum air temperatures around 88 to 92 degrees with heat index values around 89 to 93 degrees.  Below is a graphic showing the forecasted maximum temperatures for June 29th. 

Click here for the latest heat indices that were reported across southern Wisconsin.

Below is a table of cities and their all-time maximum air temperature on record, the last time they were at or over 100, and the record maximum air temperature for June 28th.

City

All-Time Max Temp

Last Time 100+

Record Max June 28th

Milwaukee

105, 7/24/1934

102, 7/14/1995

99 (1931)

Madison

107, 7/14/1936

101, 7/13/1995

97 (1931 & 2012)

 Wisc Dells

 114, 7/13/1936

100, 7/31/1999

100 

 Montello

104, 7/14/1995 

100, 7/15/1995 

94 

 Berlin

99, 7/14/1995 

94 

 Fond du Lac

111, 7/13/1936

100, 7/14/1995 

100 

 Sheboygan

108, 7/14/1995 

100, 7/8/2007 

98 

 Baraboo

102, 8/15 & 17/1988 

100, 7/14/1995

94 

 Prairie du Sac

108, 7/1/1911

100, 7/14/1995 

99 

 Portage

111, 7/14/1936 

100, 7/14/1995 

99 

 Beaver Dam

100, 8/16&17/1988 

100, 8/17/1988 

94 

 West Bend

107, 7/14/1936 

100, 7/14/1995 

98 

 Port Washington

106, 7/13/1995

100, 7/14/1995 

96 

 Dodgeville

108, 7/24/1901 

100, 6/22/1988 

91 

 Watertown

104, 7/21/1901 

101, 7/14/1995 

100 

 Ft. Atkinson

103, 7/21/2011 

103, 7/21/2011 

94 

 Waukesha

109, 7/14/1995 

100, 7/31/1999 

98 

 Darlington

107, 7/13&14/1936 

100, 8/1/1988 

102 

 Brodhead

111, 7/14/1936 

100, 8/16/1988 

109 

 Beloit

110, 7/14/1936 

100, 7/14/1995 

100 

 Whitewater

101, 8/31/1953 

100, 7/14/1995 

94 

 Genoa City

100, 7/25/2005 

100, 7/25/2005 

93 

 Lake Geneva*

106, 8/1/1988* 

100, 7/21/2002* 

98* 

 Burlington

105, 7/15/1995 

100, 7/31/1999 

96 

 Racine

102, 7/30/1999 

102, 7/30/1999 

103 

 Kenosha

104, 7/30/1999 

104, 7/30/1999 

99 

 * Lake Geneva temperature data only good for 1945-2003.

The 114 reading at Wisconsin Dells is Wisconsin's all-time maximum temperature on record. 


Kapela/Schaar/Collar/Kavinsky/Townsend, WFO Milwaukee



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