County Forecast for Watseka , IL
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172230-
Iroquois-
Including the cities of Watseka and Gilman
220 AM CDT Wed Jun 17 2026

...FLOOD WATCH IN EFFECT FROM 10 AM CDT THIS MORNING THROUGH THIS
EVENING...

Today   A slight chance of thunderstorms in the morning. Showers. Thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall late in the morning. Some thunderstorms may be severe with heavy rainfall. Locally heavy rainfall possible in the afternoon. Breezy. Highs in the mid 70s. South winds 10 to 15 mph, increasing to 15 to 25 mph with gusts up to 35 mph in the afternoon. Chance of precipitation near 100 percent.
Tonight   Partly cloudy in the evening, then clearing. Showers and thunderstorms likely early in the evening, then a slight chance of showers late in the evening. Some thunderstorms may produce heavy rainfall early in the evening. Breezy with lows in the lower 60s. West winds 15 to 20 mph, diminishing to 10 to 15 mph after midnight. Gusts up to 30 mph. Chance of precipitation 70 percent.
Thursday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the mid 70s. Northwest winds 10 to 15 mph.
Thursday night   Clear. Lows in the mid 50s. West winds around 5 mph.
Juneteenth   Sunny. Highs in the mid 70s. Northwest winds 5 to 10 mph.
Friday night   Mostly clear. Lows in the upper 50s.
Saturday   Partly cloudy. Highs in the lower 80s.
Saturday night   Partly cloudy in the evening, then mostly cloudy with a chance of showers and thunderstorms after midnight. Lows in the lower 60s. Chance of precipitation 30 percent.
Sunday   Showers likely. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 70 percent.
Sunday night   Mostly cloudy. Showers likely, mainly in the evening. Lows around 60. Chance of precipitation 70 percent.
Monday   Partly cloudy. Highs in the mid 70s.
Monday night   Partly cloudy. Lows in the mid 50s.
Tuesday   Partly cloudy. Highs in the upper 70s.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Severe Weather Event for Midwest Wednesday
Posted at 5:31AM Wed Jun 17, 2026 CDT
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