County Forecast for Watseka , IL
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092215-
Iroquois-
Including the cities of Watseka and Gilman
222 AM CDT Thu Jul 9 2026

Early this morning   Partly cloudy late, then becoming mostly cloudy. Isolated showers late. Temperatures in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent.
Today   Mostly cloudy. Isolated showers and thunderstorms in the morning, then scattered showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Humid. Highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.
Tonight   Mostly cloudy. Scattered thunderstorms in the evening. Scattered showers. A chance of thunderstorms after midnight. Patchy fog after midnight. Some thunderstorms may produce heavy rainfall in the evening. 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 late morning and afternoon. A slight chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. North winds around 5 mph. Chance of precipitation 20 percent.
Friday night   Mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 60s. Northeast winds around 5 mph. Chance of precipitation 50 percent.
Saturday   Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers in the morning, then a chance of showers in the afternoon. Highs in the mid 80s. Northeast winds around 5 mph. Chance of precipitation 30 percent.
Saturday night   Partly cloudy with a slight chance of showers in the evening, then mostly clear after midnight. Lows in the mid 60s. Chance of precipitation 20 percent.
Sunday   Mostly sunny. Highs in the mid 80s.
Sunday night   Mostly clear. Lows in the mid 60s.
Monday   Sunny. Highs in the upper 80s.
Monday night   Clear. Lows in the upper 60s.
Tuesday   Mostly sunny. Highs in the upper 80s.
Tuesday night   Mostly clear. Lows in the upper 60s.
Wednesday   Sunny in the morning, then becoming partly cloudy. Highs around 90.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Slipping Farther South, More Storms in Northern Plains Thursday
Posted at 11:43AM Wed Jul 8, 2026 CDT
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