County Forecast for Watseka , IL
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090915-
Iroquois-
Including the cities of Watseka and Gilman
826 PM CDT Mon Jun 8 2026

Rest of tonight   A chance of thunderstorms in the evening. Showers likely. A slight chance of thunderstorms after midnight. Near steady temperature in the lower 70s. South winds 5 to 10 mph. Chance of precipitation 70 percent.
Tuesday   Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers. A slight chance of thunderstorms in the late morning and afternoon. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.
Tuesday night   Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent.
Wednesday   Partly cloudy. Highs in the lower 90s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Wednesday night   Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers and thunderstorms in the evening, then showers likely with a slight chance of thunderstorms after midnight. Lows in the lower 70s. Southwest winds 10 to 15 mph. Gusts up to 25 mph in the evening. Chance of precipitation 70 percent.
Thursday   Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the morning, then partly cloudy with showers likely with a chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 60 percent.
Thursday night   Mostly cloudy with a chance of thunderstorms. Showers, mainly in the evening. Lows in the mid 60s. Chance of precipitation 80 percent.
Friday   Partly cloudy in the morning, then becoming mostly sunny. Highs in the lower 80s.
Friday night   Clear. Lows in the lower 60s.
Saturday   Sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
Saturday night   Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of precipitation 50 percent.
Sunday   Partly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 30 percent.
Sunday night   Partly cloudy. Lows in the upper 50s.
Monday   Mostly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent.
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DTN Weather Summary

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Bryce Anderson – DTN Meteorologist
Rain Moving Through Midwest, Northern Plains Storms Tuesday

Stalled front brings Midwest storms Monday; severe weather threatens Dakotas and Minnesota by Tuesday. » More DTN Weather Commentary

Posted at 12:13PM Mon Jun 8, 2026 CDT
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