County Forecast for Watseka , IL
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021600-
Iroquois-
Including the cities of Watseka and Gilman
801 PM CDT Sat Aug 1 2026

..flood watch in effect until 1 am cdt sunday   
Tonight   Showers and a slight chance of thunderstorms, mainly in the evening. Some thunderstorms may produce heavy rainfall in the evening. Near steady temperature in the upper 60s. Northeast winds 10 to 15 mph. Chance of precipitation near 100 percent.
Sunday   Mostly cloudy. A slight chance of showers in the morning. Humid with highs in the mid 70s. North winds 10 to 15 mph. Chance of precipitation 20 percent.
Sunday night   Partly cloudy. Lows in the lower 60s. North winds 5 to 10 mph.
Monday   Partly cloudy in the morning, then clearing. Highs in the upper 70s. Northeast winds around 5 mph.
Monday night   Mostly clear. Lows around 60. Northeast winds around 5 mph in the evening, becoming light and variable.
Tuesday   Mostly sunny. Highs in the lower 80s.
Tuesday night   Mostly clear. Lows in the lower 60s.
Wednesday   Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 20 percent.
Wednesday night   Partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 40 percent.
Thursday   Mostly cloudy with a chance of showers and thunderstorms. Highs around 80. Chance of precipitation 50 percent.
Thursday night   A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the mid 60s. Chance of precipitation 30 percent.
Friday   Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 30 percent.
Friday night   Partly cloudy. Lows in the upper 60s.
Saturday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 30 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
System Bringing Heavy Rain Eastward Through Corn Belt This Weekend
Posted at 12:06PM Fri Jul 31, 2026 CDT
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