County Forecast for Watseka , IL
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020915-
Iroquois-
Including the cities of Watseka and Gilman
200 PM CDT Wed Jul 1 2026

...EXTREME HEAT WARNING IN EFFECT UNTIL MIDNIGHT CDT THURSDAY
NIGHT...

Tonight   Clear. Lows in the mid 70s. Southwest winds 5 to 10 mph.
Thursday   Mostly sunny. Hot with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon. Heat index values up to 104.
Thursday night   Mostly clear. A slight chance of showers and thunderstorms after midnight. Humid with lows in the mid 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent. Heat index values up to 101 early in the evening.
Friday   Showers and thunderstorms likely. Humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent. Heat index values up to 104.
Friday night   Partly cloudy. A slight chance of showers and thunderstorms in the evening, then showers and thunderstorms likely after midnight. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 60 percent.
Independence day   Partly cloudy with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers and thunderstorms likely in the afternoon. Highs in the upper 80s. Chance of precipitation 70 percent.
Saturday night   Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 60s. Chance of precipitation 40 percent.
Sunday   Partly cloudy with a slight chance of showers and thunderstorms in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 40 percent.
Sunday night   Partly cloudy. Lows in the upper 60s.
Monday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 30 percent.
Monday night   Partly cloudy. Lows in the mid 60s.
Tuesday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 30 percent.
Tuesday night   Partly cloudy. Lows in the upper 60s.
Wednesday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 40 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Heat, More Storms for Thursday
Posted at 11:58AM Wed Jul 1, 2026 CDT
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