County Forecast for Watseka , IL
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102300-
Iroquois-
Including the cities of Watseka and Gilman
311 AM CDT Mon Aug 10 2026

...SEVERE THUNDERSTORM WATCH 550 IN EFFECT UNTIL 4 AM CDT EARLY
THIS MORNING...

Early this morning   Thunderstorms late. Showers. Thunderstorms likely late. Some thunderstorms may be severe with damaging winds, large hail, and heavy rainfall late. Some thunderstorms may produce heavy rainfall late. Temperatures in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 80 percent.
Today   Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid. Highs in the upper 80s. Southwest winds 5 to 10 mph. Chance of precipitation 30 percent.
Tonight   Mostly cloudy. A chance of showers and thunderstorms. Humid with lows around 70. Southeast winds around 5 mph. Chance of precipitation 50 percent.
Tuesday   A chance of showers and thunderstorms early in the morning, then showers and thunderstorms likely in the late morning and afternoon. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.
Tuesday night   Showers likely with a chance of thunderstorms. Humid with lows in the upper 60s. Northwest winds around 5 mph, becoming northeast after midnight. Chance of precipitation 70 percent.
Wednesday   Mostly cloudy. A slight chance of thunderstorms in the morning. A chance of showers. A chance of thunderstorms in the afternoon. Humid with highs in the mid 80s. North winds around 5 mph. Chance of precipitation 50 percent.
Wednesday night   Partly cloudy in the evening, then becoming mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the upper 60s. Chance of precipitation 50 percent.
Thursday   Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs around 80. Chance of precipitation 60 percent.
Thursday night   Showers likely with a chance of thunderstorms. Lows in the mid 60s. Chance of precipitation 70 percent.
Friday   Mostly cloudy. A chance of showers and thunderstorms in the morning. Highs in the upper 70s. Chance of precipitation 50 percent.
Friday night   Mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 40 percent.
Saturday   Mostly cloudy with a chance of showers and thunderstorms. Highs around 80. Chance of precipitation 40 percent.
Saturday night   Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms. Lows in the mid 60s. Chance of precipitation 30 percent.
Sunday   Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s.
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Bryce Anderson – DTN Meteorologist
Damaging Storms Possible in the Upper Midwest This Afternoon

Scattered showers, storms for the Upper Midwest. Heavier rain Friday night into Saturday morning for portions of the Delta. » More DTN Weather Commentary

Posted at 12:27PM Fri Aug 7, 2026 CDT
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