County Forecast for Watseka , IL
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142130-
Iroquois-
Including the cities of Watseka and Gilman
146 AM CDT Tue Jul 14 2026

Today   Sunny. Patchy fog early in the morning. Highs in the lower 90s. Northwest winds around 5 mph, becoming southwest in the afternoon. Heat index values up to 100.
Tonight   Clear with lows in the lower 70s. Southwest winds around 5 mph.
Wednesday   Mostly sunny. Hot with highs in the mid 90s. West winds around 5 mph. Heat index values up to 103.
Wednesday night   Mostly clear. Humid with lows in the lower 70s. Southwest winds around 5 mph in the evening, becoming light and variable.
Thursday   Mostly sunny. A slight chance of showers and thunderstorms in the afternoon. Hot with highs in the lower 90s. West winds around 5 mph. Chance of precipitation 20 percent. Heat index values up to 101.
Thursday night   Mostly clear. Lows in the lower 70s.
Friday   Mostly sunny in the morning, then becoming partly cloudy. A chance of thunderstorms. A chance of showers in the morning, then showers likely in the afternoon. Highs in the lower 90s. Chance of precipitation 70 percent.
Friday night   Partly cloudy. A slight chance of showers and thunderstorms in the evening. Lows in the lower 70s. Chance of precipitation 20 percent.
Saturday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Highs around 90. Chance of precipitation 50 percent.
Saturday night   Partly cloudy. A chance of showers and thunderstorms in the evening. Lows around 70. Chance of precipitation 40 percent.
Sunday   Partly cloudy. Highs in the upper 80s.
Sunday night   Mostly clear. Lows in the mid 60s.
Monday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 80s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Heat Continues to Spread East Tuesday
Posted at 12:07PM Mon Jul 13, 2026 CDT
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