County Forecast for Watseka , IL
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172200-
Iroquois-
Including the cities of Watseka and Gilman
220 AM CDT Mon Aug 17 2026

Early this morning   Mostly cloudy. A slight chance of showers late. Temperatures in the upper 60s. Northwest winds around 5 mph. Chance of precipitation 20 percent.
Today   Partly cloudy. Highs in the upper 70s. North winds 5 to 10 mph.
Tonight   Mostly clear. Lows in the lower 60s. North winds around 5 mph, becoming southwest after midnight.
Tuesday   Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs around 80. Southwest winds around 5 mph. Chance of precipitation 20 percent.
Tuesday night   Showers likely with a chance of thunderstorms. Lows in the mid 60s. Southwest winds around 5 mph. Chance of precipitation 70 percent.
Wednesday   Mostly cloudy. A chance of showers in the morning. A slight chance of thunderstorms. A slight chance of showers in the afternoon. Humid with highs in the upper 70s. Northwest winds around 5 mph. Chance of precipitation 40 percent.
Wednesday night   Partly cloudy. Lows around 60.
Thursday   Partly cloudy. Highs in the mid 70s.
Thursday night   Partly cloudy. Lows in the upper 50s.
Friday   Mostly sunny. Highs in the upper 70s.
Friday night   Mostly clear. Lows around 60.
Saturday   Partly cloudy. A chance of showers in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent.
Saturday night   Mostly clear. Lows in the upper 50s.
Sunday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Old Front, New Front Combining to Produce Showers Monday
Posted at 5:34AM Mon Aug 17, 2026 CDT
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