County Forecast for Watseka , IL
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011600-
Iroquois-
Including the cities of Watseka and Gilman
841 PM CDT Fri Jul 31 2026

Tonight   A slight chance of thunderstorms early in the evening. Showers. A chance of thunderstorms in the late evening and overnight. Lows in the mid 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.
Saturday   Showers with a chance of thunderstorms. Humid with highs in the lower 70s. Southeast winds 5 to 10 mph, increasing to east 10 to 15 mph in the afternoon. Chance of precipitation 90 percent.
Saturday night   Cloudy. Showers with a chance of thunderstorms in the evening, then a chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. North winds 10 to 15 mph. Chance of precipitation 90 percent.
Sunday   Mostly cloudy. A chance of showers, mainly in the morning. Humid with highs in the lower 70s. North winds 10 to 15 mph with gusts up to 25 mph. Chance of precipitation 40 percent.
Sunday night   Partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph.
Monday   Mostly sunny. A slight chance of showers in the afternoon. Highs in the mid 70s. Chance of precipitation 20 percent.
Monday night   Mostly clear. Lows around 60.
Tuesday   Partly cloudy. A slight chance of showers in the afternoon. Highs around 80. Chance of precipitation 20 percent.
Tuesday night   Mostly clear. Lows in the lower 60s.
Wednesday   Partly cloudy. Highs in the lower 80s.
Wednesday night   Partly cloudy. Lows in the mid 60s.
Thursday   Mostly cloudy. Highs in the lower 80s.
Thursday night   Partly cloudy. A chance of showers after midnight. Lows in the mid 60s. Chance of precipitation 30 percent.
Friday   Mostly cloudy with a chance of showers and thunderstorms. Highs in the lower 80s. Chance of precipitation 30 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
System Bringing Heavy Rain Eastward Through Corn Belt This Weekend
Posted at 12:06PM Fri Jul 31, 2026 CDT
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