County Forecast for Watseka , IL
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221600-
Iroquois-
Including the cities of Watseka and Gilman
841 PM CDT Mon Sep 21 2026

Tonight   Cloudy. Lows in the mid 50s. Northeast winds 5 to 10 mph.
Tuesday   Mostly cloudy. Highs in the mid 60s. Northeast winds 5 to 10 mph.
Tuesday night   Mostly cloudy in the evening, then becoming partly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Wednesday   Mostly cloudy. Highs in the mid 60s. Northeast winds 5 to 10 mph.
Wednesday night   Mostly cloudy. Lows in the lower 50s. Northeast winds 5 to 10 mph.
Thursday   Mostly cloudy. Highs in the upper 60s.
Thursday night   Mostly cloudy. Lows in the lower 50s.
Friday   Partly cloudy. Highs in the upper 60s.
Friday night   Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 40s.
Saturday   Mostly cloudy. Highs in the upper 60s.
Saturday night   Mostly cloudy. Lows in the lower 50s.
Sunday   Mostly cloudy in the morning, then becoming partly cloudy. Highs in the lower 70s.
Sunday night   Partly cloudy. Lows in the lower 50s.
Monday   Partly cloudy. Highs in the mid 70s.
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DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
Front Continues into Southeast Tuesday
Posted at 12:01PM Mon Sep 21, 2026 CDT
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