FIRST TRUST & SAVINGS

	County Forecast for Watseka , IL

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191200-
Iroquois-
Including the cities of Watseka and Gilman
852 PM CDT Mon May 18 2026

Rest of tonight   Cloudy. A chance of showers and a slight chance of thunderstorms late. Near steady temperature in the mid 60s. South winds 10 to 15 mph. Gusts up to 25 mph after midnight. Chance of precipitation 40 percent.
Tuesday   Cloudy. A slight chance of showers in the morning. A slight chance of thunderstorms late in the morning, then a chance of showers and thunderstorms in the afternoon. Breezy with highs in the lower 80s. Southwest winds 15 to 20 mph with gusts up to 30 mph. Chance of precipitation 50 percent.
Tuesday night   Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 50s. Northwest winds around 10 mph. Chance of precipitation 50 percent.
Wednesday   Partly cloudy. Highs in the mid 60s. Northeast winds 10 to 15 mph.
Wednesday night   Partly 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.
Thursday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.
Friday   Mostly cloudy. A chance of showers in the morning, then showers likely with a slight chance of thunderstorms in the afternoon. Highs in the upper 60s. Chance of precipitation 70 percent.
Friday night   Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of precipitation 50 percent.
Saturday   Mostly cloudy. Highs in the mid 70s.
Saturday night   Mostly cloudy. A chance of showers in the evening. Lows in the mid 50s. Chance of precipitation 30 percent.
Sunday   Mostly cloudy. Highs around 80.
Sunday night   Mostly cloudy. Lows in the upper 50s.
Memorial day   Mostly cloudy. A chance of showers in the afternoon. Highs in the lower 80s. Chance of precipitation 30 percent.

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Bryce Anderson – DTN Meteorologist

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Front Pushing through Southern Plains, Midwest Tuesday

A sharp cold front will trigger major severe weather Monday, with tornadoes, large hail, and heavy rain across the Plains and Midwest. » More DTN Weather Commentary

Posted at 12:39PM Mon May 18, 2026 CDT

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