County Forecast for Watseka , IL
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282300-
Iroquois-
Including the cities of Watseka and Gilman
346 AM CDT Mon Sep 28 2026

..dense fog advisory in effect until 10 am cdt this morning   
Early this morning   Partly cloudy. Areas of fog late, then widespread fog late. Temperatures in the mid 40s. Light and variable winds.
Today   Partly cloudy in the morning then clearing. Widespread fog early 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. 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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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Rain Continues for Central US This Weekend, More Coming Next Week
Posted at 12:12PM Fri Sep 25, 2026 CDT
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