County Forecast for Watseka , IL
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100930-
Iroquois-
Including the cities of Watseka and Gilman
128 PM CDT Thu Jul 9 2026

This afternoon   Mostly cloudy. Scattered showers with isolated thunderstorms. Temperatures in the upper 80s. Southwest winds around 5 mph. Chance of precipitation 40 percent.
Tonight   Mostly cloudy. Scattered showers. Isolated thunderstorms this evening and then a slight chance of thunderstorms after midnight. Patchy fog late. Humid. Lows in the upper 60s. Southwest winds around 5 mph. Chance of precipitation 50 percent.
Friday   Mostly cloudy. Patchy fog early in the morning. A slight chance of showers in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the mid 80s. Southwest winds around 5 mph, becoming north in the afternoon. Chance of precipitation 30 percent.
Friday night   Mostly cloudy. A slight chance of showers and thunderstorms. Lows in the mid 60s. Northeast winds around 5 mph. Chance of precipitation 20 percent.
Saturday   Mostly cloudy. A slight chance of showers and thunderstorms. Highs in the mid 80s. Northeast winds around 5 mph. Chance of precipitation 20 percent.
Saturday night   Partly cloudy. Lows in the lower 60s. Northeast winds around 5 mph.
Sunday   Mostly sunny. Highs in the mid 80s.
Sunday night   Mostly clear. Lows in the lower 60s.
Monday   Sunny. Highs in the upper 80s.
Monday night   Clear. Lows in the mid 60s.
Tuesday   Mostly sunny. Highs in the upper 80s.
Tuesday night   Mostly clear. Lows in the upper 60s.
Wednesday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 80s.
Wednesday night   Mostly clear. Lows in the upper 60s.
Thursday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heavy Showers and Thunderstorms for Southern Corn Belt into Friday
Posted at 12:02PM Thu Jul 9, 2026 CDT
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