County Forecast for Watseka , IL
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232215-
Iroquois-
Including the cities of Watseka and Gilman
229 AM CDT Sat May 23 2026

Early this morning   Cloudy. Isolated showers. Temperatures in the upper 50s. Northeast winds around 5 mph. Chance of precipitation 20 percent.
Today   Mostly cloudy. Highs in the mid 70s. Northwest winds around 5 mph.
Tonight   Mostly cloudy. A slight chance of showers in the late evening and early morning. A chance of showers with a slight chance of thunderstorms late. Lows in the upper 50s. Northeast winds around 5 mph, becoming south after midnight. Chance of precipitation 50 percent.
Sunday   Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers in the morning, then a slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. West winds around 5 mph, becoming north in the afternoon. Chance of precipitation 50 percent.
Sunday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. East winds around 5 mph in the evening, becoming light and variable.
Memorial day   Partly cloudy. Highs in the lower 80s. Southeast winds around 5 mph.
Monday night   Partly cloudy. Lows in the upper 50s.
Tuesday   Partly cloudy in the morning, then mostly cloudy with a slight chance of showers in the afternoon. Highs in the mid 80s. Chance of precipitation 20 percent.
Tuesday night   Mostly cloudy with a 40 percent chance of showers. Lows in the mid 60s.
Wednesday   Mostly cloudy with a chance of showers. Highs in the lower 80s. Chance of precipitation 50 percent.
Wednesday night   Mostly cloudy. A chance of showers in the evening. Lows in the mid 60s. Chance of precipitation 40 percent.
Thursday   Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent.
Thursday night   Partly cloudy. Lows around 60.
Friday   Partly cloudy. Highs in the upper 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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