County Forecast for Watseka , IL
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250930-
Iroquois-
Including the cities of Watseka and Gilman
146 PM CDT Sun May 24 2026

Tonight   Clear. Patchy fog after midnight. Lows in the mid 50s. East winds around 5 mph in the evening, becoming light and variable.
Memorial day   Mostly sunny. Patchy fog early in the morning. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Monday night   Clear. Lows in the upper 50s. Southeast winds around 5 mph.
Tuesday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the lower 80s. Southeast winds around 5 mph.
Tuesday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s. Southeast winds around 5 mph.
Wednesday   Partly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 40 percent.
Wednesday night   Partly cloudy in the evening, then clearing. Lows around 60.
Thursday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
Thursday night   Partly cloudy. Lows in the upper 50s.
Friday   Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s.
Friday night   Mostly cloudy. Lows in the upper 50s.
Saturday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the upper 70s.
Saturday night   Partly cloudy. Lows in the mid 50s.
Sunday   Partly cloudy. Highs in the upper 70s.
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Bryce Anderson – DTN Meteorologist
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Wet Memorial Holiday Weekend Ahead

Showers will drench much of the country this holiday weekend, with heavy rain continuing across the South. » More DTN Weather Commentary
Posted at 12:06PM Fri May 22, 2026 CDT
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