County Forecast for Watseka , IL
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301215-
Iroquois-
Including the cities of Watseka and Gilman
441 PM CDT Fri May 29 2026

Tonight   Mostly cloudy. Lows in the upper 50s. East winds around 5 mph.
Saturday   Mostly cloudy. Highs in the lower 80s. East winds 5 to 10 mph, increasing to 10 to 15 mph in the afternoon.
Saturday night   Mostly cloudy. Lows in the lower 50s. East winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.
Sunday   Mostly cloudy. Highs in the upper 70s. Southeast winds around 5 mph.
Sunday night   Mostly cloudy. A slight chance of showers after midnight. Lows in the mid 50s. Southeast winds around 5 mph in the evening, becoming light and variable. Chance of precipitation 20 percent.
Monday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 80s.
Monday night   Partly cloudy in the evening, then clearing. Lows in the mid 50s.
Tuesday   Sunny. Highs in the lower 80s.
Tuesday night   Mostly clear. Lows in the mid 50s.
Wednesday   Mostly sunny. Highs in the lower 80s.
Wednesday night   Mostly clear. Lows in the upper 50s.
Thursday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
Thursday night   Partly cloudy. Lows in the mid 60s.
Friday   Mostly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 30 percent.
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DTN Weather Summary

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Bryce Anderson – DTN Meteorologist
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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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