County Forecast for Watseka , IL
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010100-
Iroquois-
Including the cities of Watseka and Gilman
1246 PM CDT Wed Sep 30 2026

This afternoon   Cloudy. A chance of showers. Highs in the mid 70s. South winds around 5 mph. Chance of precipitation 50 percent.
Tonight   Mostly cloudy. Near steady temperature in the upper 60s. South winds around 5 mph.
Thursday   Mostly cloudy. A slight chance of showers late in the morning. A chance of showers early in the afternoon, then showers likely with a slight chance of thunderstorms late. Highs in the lower 80s. Temperature falling into the mid 70s in the afternoon. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.
Thursday night   A slight chance of thunderstorms in the evening. Showers. Lows in the upper 50s. North winds 5 to 10 mph. Chance of precipitation near 100 percent.
Friday   Mostly cloudy in the morning, then clearing. A chance of showers in the morning. Less humid with highs in the upper 60s. North winds 5 to 10 mph. Chance of precipitation 30 percent.
Friday night   Clear. Lows in the mid 40s.
Saturday   Sunny. Highs in the upper 60s.
Saturday night   Partly cloudy. Lows in the mid 40s.
Sunday   Mostly sunny. Highs in the lower 70s.
Sunday night   Clear. Lows in the lower 40s.
Monday   Sunny. Highs in the mid 60s.
Monday night   Clear. Lows around 40.
Tuesday   Mostly sunny. Highs in the mid 60s.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heavy Rain Leaving Plains, Continuing in Midwest Thursday
Posted at 12:13PM Wed Sep 30, 2026 CDT
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