County Forecast for Donovan , IL
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131100-
Iroquois-
Including the cities of Watseka and Gilman
321 PM CDT Wed Aug 12 2026

Late this afternoon   Mostly cloudy. A chance of showers and thunderstorms. Temperatures in the mid 70s. Southwest winds 5 to 10 mph. Chance of precipitation 50 percent.
Tonight   Mostly cloudy. A chance of showers and thunderstorms early in the evening. A slight chance of showers and thunderstorms in the late evening and overnight. Patchy fog after midnight. Humid. Lows in the upper 60s. South winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 30 percent.
Thursday   Mostly cloudy. Patchy fog early in the morning. A chance of showers with a slight chance of thunderstorms in the morning, then showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the lower 80s. East winds around 5 mph. Chance of precipitation 70 percent.
Thursday night   Showers likely with a chance of thunderstorms. Humid with lows in the upper 60s. Northeast winds around 5 mph. Chance of precipitation 70 percent.
Friday   Mostly cloudy. A chance of showers and thunderstorms in the morning. Humid with highs in the lower 80s. East winds around 5 mph. Chance of precipitation 50 percent.
Friday night   Mostly cloudy. A chance of thunderstorms in the evening. A chance of showers. A slight chance of thunderstorms after midnight. Humid with lows in the upper 60s. East winds around 5 mph. Chance of precipitation 50 percent.
Saturday   Mostly cloudy. A chance of showers and thunderstorms, mainly in the morning. Highs in the mid 80s. Chance of precipitation 50 percent.
Saturday night   Partly cloudy with a slight chance of thunderstorms. A slight chance of showers in the evening, then a chance of showers after midnight. Lows in the lower 70s. Chance of precipitation 30 percent.
Sunday   Mostly cloudy in the morning, then partly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 30 percent.
Sunday night   Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of precipitation 40 percent.
Monday   Partly cloudy. Highs around 80.
Monday night   Partly cloudy. Lows in the lower 60s.
Tuesday   Partly cloudy. Highs around 80.
Tuesday night   Partly cloudy. Lows in the mid 60s.
Wednesday   Partly cloudy. Highs in the lower 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Storms Again for Corn Belt Thursday
Posted at 12:25PM Wed Aug 12, 2026 CDT
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