County Forecast for Watseka , IL
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081400-
Iroquois-
Including the cities of Watseka and Gilman
105 AM CDT Sat Aug 8 2026

Rest of tonight   Partly cloudy. A slight chance of showers and thunderstorms late. Near steady temperature around 70. Southwest winds around 5 mph. Chance of precipitation 20 percent.
Saturday   Mostly cloudy in the morning, then clearing. Humid with highs in the lower 80s. West winds around 5 mph.
Saturday night   Clear in the evening, then becoming partly cloudy. A slight chance of showers and thunderstorms late. Lows in the lower 60s. Northwest winds around 5 mph, becoming southeast after midnight. Chance of precipitation 20 percent.
Sunday   Mostly cloudy. A chance of showers and thunderstorms. Humid with highs in the mid 80s. South winds 5 to 10 mph. Chance of precipitation 40 percent.
Sunday night   Mostly cloudy. A chance of showers in the evening. A chance of thunderstorms. Showers likely after midnight. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.
Monday   Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 40 percent.
Monday night   Partly cloudy with showers likely with a chance of thunderstorms in the evening, then mostly cloudy with a chance of showers with a slight chance of thunderstorms after midnight. Lows around 70. Chance of precipitation 70 percent.
Tuesday   Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 60 percent.
Tuesday night   A chance of thunderstorms in the evening. Showers likely. Lows in the upper 60s. Chance of precipitation 70 percent.
Wednesday   Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 50 percent.
Wednesday night   Partly cloudy. A chance of showers and thunderstorms in the evening. Lows in the lower 60s. Chance of precipitation 30 percent.
Thursday   Mostly cloudy. Highs in the upper 70s.
Thursday night   Mostly cloudy in the evening, then becoming partly cloudy. Lows in the upper 50s.
Friday   Mostly cloudy. A chance of showers in the afternoon. Highs in the mid 70s. Chance of precipitation 30 percent.
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Bryce Anderson – DTN Meteorologist
Damaging Storms Possible in the Upper Midwest This Afternoon

Scattered showers, storms for the Upper Midwest. Heavier rain Friday night into Saturday morning for portions of the Delta. » More DTN Weather Commentary

Posted at 12:27PM Fri Aug 7, 2026 CDT
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