Regional Weather Summary
Issued by NWS
AWUS83 KMKX 210955
Wisconsin Weather Summary
National Weather Service Milwaukee/Sullivan WI
555 AM CDT Thu Jul 21 2016
Southwest flow across Wisconsin brought a warmer and more humid air
mass towards the region. A few showers and thunderstorms developed
in western and central Wisconsin during the afternoon. Some areas
had heavy rainfall. Otherwise it was sunny at times in most areas.
Highs were in the 80s, up to 13 degrees above average. The highs
actually jumped into the lower 90s in far southeast Wisconsin from
Milwaukee to Kenosha.
A line of thunderstorms tracked across northern and central
Minnesota overnight and reached northwest Wisconsin early this
morning. The thunderstorms produced strong straight-lined winds in
excess of 50 mph.
Meanwhile, low clouds developed over portions of central and
southwest Wisconsin. Southeast Wisconsin remained clear overnight.
Low temperatures were in the lower 70s, except upper 70s in west
Showers and thunderstorms tracking across Wisconsin will exit the
area during the afternoon. Warm and humid air will expand into the
western half of the state. Heat index values over 100 degrees are
expected. High temperatures will be in the mid and upper 80s east
and lower to mid 90s west. Lows tonight will range from the 60s
north to the mid 70s south. Excessive heat headlines are in effect
for portions of Wisconsin.
There is a chance of additional thunderstorms in the south half of
the state tonight and Friday. Temperatures will warm into the upper
80s and lower to mid 90s once again on Friday and present more
hazardous heat conditions.
Thunderstorms are expected across much of Wisconsin Saturday
afternoon through Sunday as low pressure makes its way across the
Upper Great Lakes. Temperatures will be closer to normal for the
first half of next week.