County Forecast for Watseka , IL
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010915-
Iroquois-
Including the cities of Watseka and Gilman
118 PM CDT Sun May 31 2026

Late this afternoon   Mostly cloudy. Temperatures around 80. East winds around 5 mph.
Tonight   Mostly cloudy. A chance of sprinkles. Lows in the upper 50s. East winds around 5 mph.
Monday   Mostly cloudy. A chance of sprinkles early in the morning. Highs in the upper 70s. Northeast winds 5 to 10 mph.
Monday night   Mostly clear. Lows in the mid 50s. Northeast winds 5 to 10 mph.
Tuesday   Sunny. Highs in the lower 80s. East winds 5 to 10 mph.
Tuesday night   Clear. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Wednesday   Sunny. Highs in the lower 80s.
Wednesday night   Mostly clear. Lows in the mid 50s.
Thursday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the upper 80s.
Thursday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Friday   Partly cloudy in the morning, then mostly cloudy with a chance of showers in the afternoon. Highs in the upper 80s. Chance of precipitation 30 percent.
Friday night   Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of precipitation 50 percent.
Saturday   Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 50 percent.
Saturday night   A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the mid 60s. Chance of precipitation 50 percent.
Sunday   Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 40 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Scattered storms sweep Plains and Southeast; Pacific Northwest system brings heavy rain this weekend.

Showers Friday across the South and Southeast and through the weekend. Also from southern South Dakota into the Delta. » More DTN Weather Commentary

Posted at 12:08PM Fri May 29, 2026 CDT
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