County Forecast for Watseka , IL
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162215-
Iroquois-
Including the cities of Watseka and Gilman
235 AM CDT Tue Jun 16 2026

Today   Mostly cloudy in the morning, then becoming partly cloudy. A slight chance of showers early in the morning, then showers likely and a chance of thunderstorms late in the morning. A slight chance of showers and thunderstorms in the afternoon. Breezy. Highs in the lower 70s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 70 percent.
Tonight   Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 50s. West winds 10 to 15 mph, becoming southwest around 5 mph after midnight.
Wednesday   A chance of showers and thunderstorms early in the morning, then showers and thunderstorms in the late morning and afternoon. Some thunderstorms may be severe in the late morning and afternoon. Locally heavy rainfall possible in the late morning and afternoon. Breezy with highs in the upper 70s. South winds 10 to 15 mph, increasing to 15 to 25 mph with gusts up to 30 mph in the afternoon. Chance of precipitation 90 percent.
Wednesday night   Partly cloudy in the evening, then clearing. Showers and thunderstorms in the evening. Breezy with lows in the lower 60s. Southwest winds 15 to 20 mph with gusts up to 30 mph, becoming west 10 to 15 mph after midnight. Chance of precipitation 90 percent.
Thursday   Partly cloudy. Highs in the lower 70s. West winds 10 to 15 mph with gusts up to 25 mph.
Thursday night   Mostly clear. Lows in the mid 50s.
Juneteenth   Mostly sunny. Highs in the mid 70s.
Friday night   Clear. Lows in the mid 50s.
Saturday   Mostly sunny in the morning, then becoming mostly cloudy. Highs in the upper 70s.
Saturday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows around 60.
Sunday   Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50 percent.
Sunday night   Mostly cloudy. Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 60 percent.
Monday   Mostly cloudy with a chance of showers. Highs in the lower 80s. Chance of precipitation 30 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
System Moving Through Midwest, Heavy Rain Near Gulf Tuesday
Posted at 5:30AM Tue Jun 16, 2026 CDT
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