County Forecast for Watseka , IL
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040930-
Iroquois-
Including the cities of Watseka and Gilman
846 PM CDT Fri Jul 3 2026

...SEVERE THUNDERSTORM WATCH 451 IN EFFECT UNTIL 2 AM CDT
SATURDAY...

Rest of tonight   Mostly cloudy. A chance of showers and thunderstorms. Some thunderstorms may be severe with damaging winds and large hail early in the evening. Some thunderstorms may produce damaging winds and large hail after midnight. Lows in the lower 70s. South winds around 5 mph. Chance of precipitation 50 percent.
Independence day   Partly cloudy in the morning, then becoming mostly cloudy. Scattered showers and thunderstorms. Humid with highs around 90. Southwest winds around 5 mph. Chance of precipitation 40 percent. Heat index values up to 100.
Saturday night   Mostly cloudy. Scattered showers and thunderstorms. Humid with lows in the lower 70s. Southwest winds around 5 mph. Chance of precipitation 50 percent.
Sunday   Mostly cloudy. Scattered showers and thunderstorms. Humid with highs in the mid 80s. West winds 5 to 10 mph. Chance of precipitation 30 percent.
Sunday night   Partly cloudy. Isolated thunderstorms in the evening. Isolated showers. Lows in the mid 60s. Northwest winds around 5 mph. Chance of precipitation 20 percent.
Monday   Partly cloudy with isolated showers. Isolated thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 20 percent.
Monday night   Partly cloudy. Lows in the lower 60s.
Tuesday   Partly cloudy with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 20 percent.
Tuesday night   Partly cloudy. Lows in the mid 60s.
Wednesday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
Wednesday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 60s.
Thursday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 40 percent.
Thursday night   A chance of thunderstorms in the evening. Partly cloudy with a chance of showers. Lows in the upper 60s. Chance of precipitation 40 percent.
Friday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 40 percent.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Hot, Humid, Stormy Holiday Weekend
Posted at 11:59AM Thu Jul 2, 2026 CDT
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