County Forecast for Watseka , IL
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240915-
Iroquois-
Including the cities of Watseka and Gilman
817 PM CDT Tue Jun 23 2026

Rest of tonight   Partly cloudy. Lows in the mid 50s. East winds around 5 mph, becoming south after midnight.
Wednesday   Partly cloudy in the morning, then becoming mostly cloudy. A slight chance of showers and thunderstorms late. Highs around 80. Southwest winds 5 to 10 mph. Chance of precipitation 20 percent.
Wednesday night   Mostly cloudy in the evening, then becoming partly cloudy. Showers likely with a chance of thunderstorms in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the lower 60s. Southwest winds 5 to 10 mph. Chance of precipitation 70 percent.
Thursday   Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. West winds around 5 mph. Chance of precipitation 20 percent.
Thursday night   Mostly cloudy. A slight chance of thunderstorms in the evening. A chance of showers. Lows in the lower 60s. Northeast winds around 5 mph. Chance of precipitation 50 percent.
Friday   Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 50 percent.
Friday night   Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening, then partly cloudy with a slight chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 40 percent.
Saturday   Partly cloudy in the morning, then mostly cloudy with a slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 20 percent.
Saturday night   Partly cloudy. A chance of showers after midnight. Lows in the upper 60s. Chance of precipitation 40 percent.
Sunday   Partly cloudy. Highs in the upper 80s.
Sunday night   Mostly clear. Lows in the lower 70s.
Monday   Mostly sunny. Highs in the lower 90s.
Monday night   Mostly clear. Lows in the mid 70s.
Tuesday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 90s.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
System Moving Into Midwest Wednesday

Severe storms forecast Tuesday–Wednesday across the Central Plains, Delta, Southeast, and Upper Midwest. » More DTN Weather Commentary

Posted at 12:05PM Tue Jun 23, 2026 CDT
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