County Forecast for Watseka , IL
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211015-
Iroquois-
Including the cities of Watseka and Gilman
918 PM CDT Wed May 20 2026

Rest of tonight   Partly cloudy. Lows in the upper 40s. Northeast winds 10 to 15 mph.
Thursday   Partly cloudy. Highs in the upper 60s. East winds 10 to 15 mph.
Thursday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s. East winds 10 to 15 mph.
Friday   Mostly cloudy. A slight chance of showers in the morning, then showers likely in the afternoon. Highs in the upper 60s. East winds around 10 mph. Chance of precipitation 70 percent.
Friday night   Cloudy. Showers, mainly in the evening. Lows in the mid 50s. East winds 5 to 10 mph. Chance of precipitation 80 percent.
Saturday   Mostly cloudy. Highs in the mid 70s.
Saturday night   Mostly cloudy. A slight chance of showers and thunderstorms after midnight. Lows in the mid 50s. Chance of precipitation 20 percent.
Sunday   Mostly cloudy. A slight chance of showers in the morning, then a chance of showers with a slight chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent.
Sunday night   Mostly cloudy. Lows in the mid 50s.
Memorial day   Mostly cloudy. Highs in the lower 80s.
Monday night   Mostly cloudy. Lows in the upper 50s.
Tuesday   Mostly cloudy with a 30 percent chance of showers. Highs in the lower 80s.
Tuesday night   Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of precipitation 40 percent.
Wednesday   Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers. Highs in the lower 80s. Chance of precipitation 40 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Widespread Rain on Wednesday
Posted at 5:38AM Wed May 20, 2026 CDT
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