County Forecast for Watseka , IL
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071400-
Iroquois-
Including the cities of Watseka and Gilman
120 AM CDT Fri Aug 7 2026

Rest of tonight   Mostly cloudy. Areas of fog. A chance of showers and a slight chance of thunderstorms late. Near steady temperature in the upper 60s. South winds around 5 mph. Chance of precipitation 30 percent.
Friday   Mostly cloudy. Areas of fog early in the morning. A chance of showers early in the morning. A slight chance of thunderstorms until late afternoon. A slight chance of showers in the late morning and early afternoon. Humid with highs in the lower 80s. South winds around 5 mph. Chance of precipitation 30 percent.
Friday night   Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of thunderstorms in the late evening and early morning. A slight chance of showers in the late evening and overnight. Humid with lows in the upper 60s. Southwest winds around 5 mph. Chance of precipitation 20 percent.
Saturday   Mostly cloudy in the morning, then becoming partly cloudy. Humid with highs in the lower 80s. West winds around 5 mph.
Saturday night   Mostly clear in the evening, then becoming partly cloudy. A slight chance of showers after midnight. Lows in the lower 60s. Light and variable winds, becoming south around 5 mph after midnight. Chance of precipitation 20 percent.
Sunday   Mostly cloudy with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs in the mid 80s. Chance of precipitation 50 percent.
Sunday night   Partly cloudy with a chance of showers. A chance of thunderstorms, mainly in the evening. Lows in the lower 70s. Chance of precipitation 50 percent.
Monday   Mostly cloudy. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 50 percent.
Monday night   Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 70s. Chance of precipitation 50 percent.
Tuesday   Mostly cloudy with a chance of showers and thunderstorms. Highs in the mid 80s. Chance of precipitation 50 percent.
Tuesday night   A chance of thunderstorms in the evening. Showers likely. Lows in the mid 60s. Chance of precipitation 70 percent.
Wednesday   Mostly cloudy with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 80s. Chance of precipitation 50 percent.
Wednesday night   Partly cloudy with a chance of showers and thunderstorms. Lows in the lower 60s. Chance of precipitation 50 percent.
Thursday   Partly cloudy in the morning, then becoming mostly cloudy. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 70s. Chance of precipitation 30 percent.
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Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Showers Move into the Ohio Valley on Friday
Posted at 12:01PM Thu Aug 6, 2026 CDT
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