County Forecast for Watseka , IL
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211500-
Iroquois-
Including the cities of Watseka and Gilman
705 PM CDT Sun Sep 20 2026

Tonight   Cloudy. Showers likely early in the evening, then a chance of showers in the late evening and early morning. A slight chance of showers late. Lows in the upper 50s. Northeast winds around 10 mph. Chance of precipitation 60 percent.
Monday   Cloudy. A slight chance of showers in the morning. Highs in the mid 60s. Northeast winds around 10 mph. Chance of precipitation 20 percent.
Monday night   Mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Tuesday   Mostly cloudy. A slight chance of showers in the afternoon. Highs in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.
Tuesday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Wednesday   Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 60s.
Wednesday night   Mostly cloudy in the evening, then becoming partly cloudy. Lows around 50.
Thursday   Mostly cloudy. Highs around 70.
Thursday night   Mostly cloudy. Lows in the lower 50s.
Friday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s.
Friday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.
Saturday   Mostly cloudy. Highs in the mid 70s.
Saturday night   Partly cloudy. Lows in the lower 50s.
Sunday   Mostly cloudy. Highs in the upper 70s.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heavy Rain Moving Through Northern US This Weekend
Posted at 11:40AM Fri Sep 18, 2026 CDT
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