County Forecast for Watseka , IL
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210000-
Iroquois-
Including the cities of Watseka and Gilman
1141 AM CDT Sun Sep 20 2026

Rest of today   A chance of showers late in the morning, then showers and a chance of thunderstorms in the afternoon. Highs in the mid 70s. Northeast winds 5 to 10 mph. Chance of precipitation near 100 percent.
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   Mostly cloudy. A chance of showers early in the morning, then a slight chance of showers in the late morning and afternoon. Highs in the upper 60s. Northeast winds around 10 mph. Chance of precipitation 40 percent.
Monday night   Mostly cloudy. A slight chance of showers after midnight. Lows in the lower 50s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.
Tuesday   Mostly cloudy. A slight chance of showers in the morning. Highs in the mid 60s. Northeast winds 5 to 10 mph. Chance of precipitation 20 percent.
Tuesday night   Mostly cloudy. Lows in the lower 50s.
Wednesday   Mostly cloudy. Highs in the upper 60s.
Wednesday night   Mostly cloudy. Lows around 50.
Thursday   Mostly cloudy. Highs in the upper 60s.
Thursday night   Mostly cloudy. Lows in the lower 50s.
Friday   Mostly cloudy in the morning, then becoming partly cloudy. Highs around 70.
Friday night   Partly cloudy. Lows in the upper 40s.
Saturday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 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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