County Forecast for Watseka , IL
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212230-
Iroquois-
Including the cities of Watseka and Gilman
1003 AM CDT Sun Jun 21 2026

Rest of today   A slight chance of showers late in the morning, then showers likely late in the morning. Showers and a chance of thunderstorms in the afternoon. Locally heavy rainfall possible in the afternoon. Highs in the lower 70s. Temperature falling into the mid 60s in the afternoon. Southeast winds 5 to 10 mph, increasing to east 15 to 20 mph with gusts up to 25 mph in the afternoon. Chance of precipitation near 100 percent.
Tonight   A chance of thunderstorms early in the evening. Showers in the evening, then a chance of showers after midnight. Lows around 60. East winds 15 to 20 mph, becoming northeast 10 to 15 mph after midnight. Chance of precipitation near 100 percent.
Monday   Mostly cloudy. A chance of showers early in the morning, then a slight chance of showers late in the morning. Highs in the lower 70s. North winds 10 to 15 mph. Chance of precipitation 30 percent.
Monday night   Mostly clear. Lows in the lower 50s. North winds 5 to 10 mph.
Tuesday   Mostly sunny. Highs in the mid 70s. Northeast winds around 5 mph.
Tuesday night   Mostly clear. Lows in the mid 50s.
Wednesday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 40 percent.
Wednesday night   Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the upper 50s. Chance of precipitation 20 percent.
Thursday   Partly cloudy. Highs in the upper 70s.
Thursday night   Mostly clear. Lows in the upper 50s.
Friday   Partly cloudy. Highs in the upper 70s.
Friday night   Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows around 60. Chance of precipitation 40 percent.
Saturday   Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 40 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Tropical Remnants, Fronts, and Another System Producing Rain Through the Weekend
Posted at 12:03PM Thu Jun 18, 2026 CDT
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