County Forecast for Watseka , IL
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301500-
Iroquois-
Including the cities of Watseka and Gilman
705 PM CDT Wed Jul 29 2026

Tonight   Clear. Patchy fog after midnight. Lows in the upper 50s. Northeast winds around 5 mph in the evening, becoming light and variable.
Thursday   Mostly sunny in the morning, then becoming partly cloudy. Patchy fog early in the morning. Highs in the mid 80s. Light and variable winds.
Thursday night   Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 60s. Light and variable winds, becoming south around 5 mph after midnight.
Friday   Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs around 80. South winds 5 to 10 mph. Chance of precipitation 70 percent.
Friday night   A chance of thunderstorms in the evening. Showers. A slight chance of thunderstorms after midnight. Lows in the lower 60s. Southeast winds 5 to 10 mph. Chance of precipitation 90 percent.
Saturday   A slight chance of thunderstorms. Showers likely, mainly in the morning. Highs in the mid 70s. Chance of precipitation 70 percent.
Saturday night   Partly cloudy. A slight chance of showers in the evening. Lows in the lower 60s. Chance of precipitation 20 percent.
Sunday   Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 20 percent.
Sunday night   Mostly clear. Lows around 60.
Monday   Mostly sunny. Highs in the lower 80s.
Monday night   Mostly clear. Lows in the lower 60s.
Tuesday   Mostly sunny. Highs in the mid 80s.
Tuesday night   Mostly clear. Lows in the mid 60s.
Wednesday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 30 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Storm Building Over Northern and Central Plains Thursday
Posted at 11:59AM Wed Jul 29, 2026 CDT
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