County Forecast for Watseka , IL
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181015-
Iroquois-
Including the cities of Watseka and Gilman
211 PM CDT Sun May 17 2026

Late this afternoon   Mostly cloudy. Breezy. Temperatures in the mid 80s. South winds 15 to 25 mph with gusts up to 35 mph.
Tonight   Partly cloudy in the evening, then becoming mostly clear. Breezy. Lows in the upper 60s. South winds 15 to 20 mph, diminishing to 10 to 15 mph after midnight. Gusts up to 30 mph.
Monday   Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers in the morning. A chance of thunderstorms. Showers likely in the afternoon. Breezy with highs in the lower 80s. South winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 70 percent.
Monday night   Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of showers late in the evening. A chance of showers with a slight chance of thunderstorms after midnight. Lows in the mid 60s. South winds 15 to 20 mph, diminishing to 10 to 15 mph after midnight. Chance of precipitation 40 percent.
Tuesday   Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then showers with a chance of thunderstorms in the afternoon. Breezy with highs in the lower 80s. Southwest winds 15 to 25 mph, becoming 15 to 20 mph in the afternoon. Chance of precipitation 90 percent.
Tuesday night   Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening. Lows in the lower 50s. Northwest winds 5 to 10 mph. Chance of precipitation 50 percent.
Wednesday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 60s.
Wednesday night   Partly cloudy. Lows in the lower 40s.
Thursday   Partly cloudy. Highs in the upper 60s.
Thursday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.
Friday   Mostly cloudy. Highs in the lower 70s.
Friday night   Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of precipitation 30 percent.
Saturday   Mostly cloudy. Highs in the upper 70s.
Saturday night   Mostly cloudy. Lows in the upper 50s.
Sunday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Major Storm, Heavy Rain, Severe Weather for Central US This Weekend

Stalled boundary triggers central U.S. storms Friday; severe weather risk expands through the weekend.​​​​​​​​​​​​​​​​ » More DTN Weather Commentary

Posted at 11:32AM Sat May 16, 2026 CDT
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