County Forecast for Watseka , IL
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171115-
Iroquois-
Including the cities of Watseka and Gilman
322 PM CDT Tue Jun 16 2026

Late this afternoon   Mostly sunny. A chance of showers and thunderstorms. Breezy. Temperatures in the lower 70s. West winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent.
Tonight   Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 50s. West winds 10 to 15 mph with gusts up to 25 mph, becoming southwest around 5 mph after midnight.
Wednesday   Showers and thunderstorms likely in the morning, then showers and thunderstorms in the afternoon. Some thunderstorms may be severe late. Locally heavy rainfall possible in the afternoon. Breezy with highs in the upper 70s. South winds 10 to 15 mph with gusts up to 25 mph, increasing to 15 to 25 mph with gusts up to 35 mph in the afternoon. Chance of precipitation near 100 percent.
Wednesday night   Mostly cloudy in the evening, then clearing. Showers and thunderstorms early in the evening, then a chance of showers and thunderstorms late in the evening. Breezy with lows in the lower 60s. Southwest winds 15 to 25 mph with gusts up to 35 mph, becoming west 10 to 15 mph with gusts up to 25 mph after midnight. Chance of precipitation 90 percent.
Thursday   Partly cloudy in the morning, then becoming mostly 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. West winds 5 to 10 mph.
Juneteenth   Mostly sunny. Highs in the mid 70s.
Friday night   Clear. Lows in the mid 50s.
Saturday   Partly cloudy in the morning, then becoming mostly cloudy. Highs in the upper 70s.
Saturday night   Partly cloudy in the evening, then mostly cloudy with a chance of showers after midnight. Lows in the upper 50s. Chance of precipitation 30 percent.
Sunday   Mostly cloudy. A chance of showers in the morning, then showers likely with a chance of thunderstorms in the afternoon. Highs in the mid 70s. Chance of precipitation 60 percent.
Sunday night   Showers likely with a chance of thunderstorms in the evening, then a chance of showers after midnight. Lows around 60. Chance of precipitation 60 percent.
Monday   Mostly cloudy. A chance of showers in the morning. Highs in the upper 70s. Chance of precipitation 50 percent.
Monday night   Partly cloudy. Lows in the upper 50s.
Tuesday   Partly cloudy. Highs in the upper 70s.
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Bryce Anderson – DTN Meteorologist
Big Severe Weather Event for Midwest Wednesday

Three active weather systems; severe outbreak Wednesday threatens tornadoes, damaging winds, and large hail Midwest. » More DTN Weather Commentary

Posted at 12:00PM Tue Jun 16, 2026 CDT
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