County Forecast for Watseka , IL
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081500-
Iroquois-
Including the cities of Watseka and Gilman
705 PM CDT Mon Sep 7 2026

Tonight   Mostly clear in the evening, then becoming partly cloudy. Lows around 60. East winds 5 to 10 mph.
Tuesday   Partly cloudy. Highs in the upper 80s. South winds 5 to 10 mph.
Tuesday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows around 70. South winds 5 to 10 mph.
Wednesday   Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Humid with highs in the upper 80s. Southwest winds around 10 mph. Chance of precipitation 50 percent.
Wednesday night   Mostly cloudy. A chance of showers with a slight chance of thunderstorms. Lows in the mid 60s. Northwest winds 5 to 10 mph. Chance of precipitation 50 percent.
Thursday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s.
Thursday night   Mostly clear. Lows in the mid 50s.
Friday   Mostly sunny. Highs in the mid 80s.
Friday night   Partly cloudy. Lows in the lower 60s.
Saturday   Partly cloudy. A chance of showers in the morning. Highs in the upper 80s. Chance of precipitation 30 percent.
Saturday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Sunday   Partly cloudy. Highs in the mid 80s.
Sunday night   Partly cloudy. A chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 30 percent.
Monday   Partly cloudy. Highs in the mid 80s.
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Bryce Anderson – DTN Meteorologist
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Hot and Dry for Central US Labor Day Weekend

Hot, humid conditions persist through the holiday weekend with scattered showers and thunderstorms likely. » More DTN Weather Commentary
Posted at 11:59AM Fri Sep 4, 2026 CDT
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