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	County Forecast for Bloomington , IL

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221100-
McLean-
Including the cities of Bloomington and Normal
1037 PM CDT Fri Aug 21 2026

...SEVERE THUNDERSTORM WATCH 610 IN EFFECT UNTIL MIDNIGHT CDT
TONIGHT...

Rest of tonight   Mostly cloudy. Showers and thunderstorms likely late this evening. Lows in the mid 60s. Southwest winds 5 to 10 mph. Chance of rain 60 percent.
Saturday   Sunny. Highs around 80. Northwest winds 10 to 15 mph.
Saturday night   Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph.
Sunday   Sunny. Highs in the upper 70s. Northwest winds 5 to 10 mph.
Sunday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. North winds 5 to 10 mph in the evening, becoming light and variable.
Monday and monday night   Partly cloudy. Highs in the upper 70s. Lows around 60.
Tuesday   Partly sunny. Highs in the upper 70s.
Tuesday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the mid 60s.
Wednesday   Partly sunny. Highs in the lower 80s.
Wednesday night through thursday night   Mostly clear. Lows in the lower 60s. Highs in the lower 80s.
Friday   Mostly sunny. Highs in the lower 80s.

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Bryce Anderson – DTN Meteorologist

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System Moving Through Midwest This Weekend, Another Next Week

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Posted at 12:17PM Fri Aug 21, 2026 CDT

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