County Forecast for Watseka , IL
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282200-
Iroquois-
Including the cities of Watseka and Gilman
906 AM CDT Mon Sep 28 2026

..dense fog advisory in effect until 10 am cdt this morning   
Rest of today   Partly cloudy late in the morning, then becoming mostly sunny. Patchy dense fog late in the morning. Highs in the upper 70s. North winds around 5 mph.
Tonight   Mostly clear. Lows in the lower 50s. Northeast winds around 5 mph in the evening, becoming light and variable.
Tuesday   Mostly sunny in the morning, then becoming partly cloudy. Highs around 80. South winds around 5 mph.
Tuesday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60. South winds around 5 mph.
Wednesday   Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s. South winds 5 to 10 mph.
Wednesday night   Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 20 percent.
Thursday   Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Temperature falling into the lower 70s in the afternoon. Chance of precipitation 70 percent.
Thursday night   Mostly cloudy with a slight chance of thunderstorms. Showers likely, mainly in the evening. Lows in the upper 50s. Chance of precipitation 60 percent.
Friday   Mostly cloudy. A chance of showers in the morning. Highs in the upper 60s. Chance of precipitation 40 percent.
Friday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 50s.
Saturday   Partly cloudy. Highs in the upper 60s.
Saturday night   Partly cloudy. Lows in the mid 50s.
Sunday   Partly cloudy. Highs in the upper 60s.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Moving Through Northern Plains Monday
Posted at 5:32AM Mon Sep 28, 2026 CDT
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