County Forecast for Watseka , IL
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241030-
Iroquois-
Including the cities of Watseka and Gilman
922 PM CDT Sat May 23 2026

Rest of tonight   Cloudy. A slight chance of showers late in the evening. A chance of showers and a slight chance of thunderstorms after midnight, then showers likely and a chance of thunderstorms late. Lows around 60. East winds around 5 mph, becoming south after midnight. Chance of precipitation 70 percent.
Sunday   Cloudy in the morning, then clearing. Showers likely with a chance of thunderstorms in the morning. Highs in the upper 70s. North winds around 5 mph. Chance of precipitation 70 percent.
Sunday night   Mostly clear. Lows in the mid 50s. East winds around 5 mph in the evening, becoming light and variable.
Memorial day   Partly cloudy. Highs in the lower 80s. Southeast winds 5 to 10 mph.
Monday night   Mostly cloudy. Lows in the lower 60s. Southeast winds around 5 mph.
Tuesday   Mostly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 20 percent.
Tuesday night   Mostly cloudy with a slight chance of thunderstorms. A chance of showers in the evening, then showers likely after midnight. Lows in the mid 60s. Chance of precipitation 60 percent.
Wednesday   Showers likely. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 70 percent.
Wednesday night   A chance of thunderstorms in the evening. Mostly cloudy with a chance of showers. Lows in the lower 60s. Chance of precipitation 50 percent.
Thursday   Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent.
Thursday night   Mostly cloudy. Lows in the upper 50s.
Friday   Mostly cloudy. Highs in the upper 70s.
Friday night   Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.
Saturday   Partly cloudy. Highs in the mid 70s.
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Bryce Anderson – DTN Meteorologist
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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