Regional Weather Summary
Issued by NWS La Crosse, WI

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AWUS83 KARX 160111

Weather Summary for Upper Mississippi River Valley
National Weather Service La Crosse WI
811 PM CDT Tue Aug 15 2017

Skies were mostly cloudy across the area this evening as showers and
thunderstorms were moving over portions of northern and western
Iowa. High temperatures today were mainly in the 70s.

Chances for showers and thunderstorms will increase tonight as an
area of low pressure develops over the northern Great Plains. Much
of the activity through Wednesday morning will be concentrated west
of the Mississippi River. Widespread showers and storms will then
become likely by Wednesday evening as the low moves toward the Upper
Mississippi River Valley. A few of the storms on Wednesday evening
could be strong and capable of heavy rainfall. Low temperatures
tonight will range from the mid 50s in northern Wisconsin to the mid
60s in eastern Iowa. Highs on Wednesday are expected to range from
the mid 70s to lower 80s.

The threat for thunderstorms will move off to the east by Thursday
morning, but showers may continue throughout the day on Thursday.
The next chance for showers and thunderstorms will arrive on Friday.


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