County Forecast for Watseka , IL
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291200-
Iroquois-
Including the cities of Watseka and Gilman
405 PM CDT Tue Jul 28 2026

Late this afternoon   Mostly sunny. Temperatures in the lower 80s. North winds around 10 mph.
Tonight   Clear. Lows in the upper 50s. North winds 5 to 10 mph.
Wednesday   Sunny. Highs in the lower 80s. North winds 5 to 10 mph.
Wednesday night   Clear. Lows in the upper 50s. Northeast winds around 5 mph in the evening, becoming light and variable.
Thursday   Mostly sunny. Highs in the mid 80s. Light and variable winds.
Thursday night   Partly cloudy. Lows in the lower 60s. Light and variable winds, becoming south around 5 mph after midnight.
Friday   Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent.
Friday night   Mostly cloudy with a chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 70 percent.
Saturday   Showers likely. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 70 percent.
Saturday night   Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the mid 60s. Chance of precipitation 40 percent.
Sunday   Partly cloudy. A chance of showers in the afternoon. Highs in the lower 80s. Chance of precipitation 30 percent.
Sunday night   Partly cloudy. Lows in the lower 60s.
Monday   Partly cloudy. Highs in the mid 80s.
Monday night   Mostly clear. Lows in the mid 60s.
Tuesday   Partly cloudy in the morning, then becoming mostly sunny. Highs in the mid 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Stalling Wednesday
Posted at 11:58AM Tue Jul 28, 2026 CDT
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