County Forecast for Watseka , IL
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200915-
Iroquois-
Including the cities of Watseka and Gilman
834 PM CDT Tue May 19 2026

Rest of tonight   Mostly cloudy. Lows in the mid 50s. North winds 5 to 10 mph.
Wednesday   Mostly cloudy. Highs in the lower 60s. Northeast winds 10 to 15 mph. Gusts up to 25 mph in the afternoon.
Wednesday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 40s. Northeast winds 10 to 15 mph, diminishing to 5 to 10 mph after midnight.
Thursday   Partly cloudy. Highs in the upper 60s. East winds 10 to 15 mph.
Thursday night   Mostly cloudy. A slight chance of showers after midnight. Lows in the upper 40s. East winds 10 to 15 mph. Chance of precipitation 20 percent.
Friday   Showers likely. A slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 70 percent.
Friday night   Showers likely with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the mid 50s. Chance of precipitation 70 percent.
Saturday   Mostly cloudy. Highs in the mid 70s.
Saturday night   Mostly cloudy. Lows in the mid 50s.
Sunday   Mostly cloudy. A chance of showers in the morning. Highs in the upper 70s. Chance of precipitation 30 percent.
Sunday night   Mostly cloudy. Lows in the upper 50s.
Memorial day   Mostly cloudy. Highs in the upper 70s.
Monday night   Mostly cloudy. Lows around 60.
Tuesday   Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 80s. Chance of precipitation 30 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Continues to Sink Southward Wednesday

A cold front brings scattered storms from Texas to the Midwest, with more rain and thunderstorms expected Wednesday through Thursday. » More DTN Weather Commentary

Posted at 12:08PM Tue May 19, 2026 CDT
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