County Forecast for Watseka , IL
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020100-
Iroquois-
Including the cities of Watseka and Gilman
1236 PM CDT Thu Oct 1 2026

This afternoon   A chance of rain early in the afternoon. Rain and a slight chance of thunderstorms late. Highs in the lower 80s. Temperature falling into the lower 70s in the afternoon. Southwest winds 5 to 10 mph. Chance of precipitation near 100 percent.
Tonight   A slight chance of thunderstorms in the evening. Rain until early morning, then a chance of rain late. Lows in the upper 50s. North winds 10 to 15 mph. Chance of precipitation near 100 percent.
Friday   Mostly cloudy in the morning, then clearing. Not as warm. Less humid with highs in the upper 60s. Northeast winds 10 to 15 mph.
Friday night   Clear. Lows in the mid 40s. Northeast winds 5 to 10 mph.
Saturday   Sunny. Highs in the upper 60s. East winds around 5 mph.
Saturday night   Mostly clear. Lows in the mid 40s.
Sunday   Sunny. Highs in the lower 70s.
Sunday night   Clear. Lows in the mid 40s.
Monday   Sunny. Highs in the upper 60s.
Monday night   Clear. Lows around 40.
Tuesday   Sunny. Highs in the upper 60s.
Tuesday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 40s.
Wednesday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.
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Bryce Anderson – DTN Meteorologist
Plains Drying Out As Front Moves South and East into Midwest, Delta Friday

Heavy rain across the Central states shifts southeast Friday, allowing flooded areas to dry this weekend. » More DTN Weather Commentary

Posted at 12:19PM Thu Oct 1, 2026 CDT
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