FIRST TRUST & SAVINGS

	County Forecast for Watseka , IL

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021000-
Iroquois-
Including the cities of Watseka and Gilman
216 PM CDT Tue Sep 1 2026

..heat advisory in effect until 9 pm cdt this evening
..heat advisory in effect from noon to 9 pm cdt wednesday
Late this afternoon   Mostly sunny. Temperatures in the lower 90s. Southwest winds around 10 mph. Heat index values up to 104.
Tonight   Clear, humid. Lows in the lower 70s. Southwest winds around 5 mph. Heat index values up to 100 early in the evening.
Wednesday   Mostly sunny. Hot, humid with highs in the lower 90s. Southwest winds 5 to 10 mph. Heat index values up to 103.
Wednesday night   Partly cloudy in the evening, then becoming mostly clear. Humid with lows in the lower 70s. Southwest winds 5 to 10 mph.
Thursday   Mostly sunny in the morning, then becoming partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Hot, humid with highs in the lower 90s. Southwest winds around 5 mph. Chance of precipitation 20 percent. Heat index values up to 103.
Thursday night   Partly cloudy. A slight chance of showers and thunderstorms. Humid with lows in the lower 70s. South winds around 5 mph. Chance of precipitation 20 percent.
Friday   Partly cloudy. A slight chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of precipitation 20 percent.
Friday night   Partly cloudy. A chance of showers and thunderstorms after midnight. Lows around 70. Chance of precipitation 40 percent.
Saturday   Partly cloudy. Highs in the upper 80s.
Saturday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 60s.
Sunday   Partly cloudy in the morning, then becoming mostly cloudy. Highs in the mid 80s.
Sunday night   Partly cloudy. Lows in the mid 60s.
Labor day   Partly cloudy. Highs in the lower 80s.
Monday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the lower 60s.
Tuesday   Partly cloudy. Highs in the lower 80s.

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Stalled Front Producing Limited Northern Showers Tuesday

Showers and thunderstorms, some severe, from Nebraska to Michigan, Mid-Atlantic. Tropical storm to move into east Texas. » More DTN Weather Commentary

Posted at 5:34AM Tue Sep 1, 2026 CDT

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