County Forecast for Watseka , IL
Change Zip Code: 
 
100815-
Iroquois-
Including the cities of Watseka and Gilman
751 PM CDT Tue Jun 9 2026

Rest of tonight   Mostly clear in the evening, then becoming partly cloudy. A chance of showers and thunderstorms after midnight. Lows in the lower 70s. Southwest winds 5 to 10 mph. Chance of precipitation 40 percent.
Wednesday   Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Some thunderstorms may be severe. Locally heavy rainfall possible in the afternoon. Highs in the lower 90s. Southwest winds 10 to 15 mph, increasing to 15 to 20 mph with gusts up to 25 mph in the afternoon. Chance of precipitation 20 percent. Heat index values up to 102.
Wednesday night   Partly cloudy in the evening, then becoming mostly cloudy. A slight chance of showers and thunderstorms early in the evening, then a chance of showers and thunderstorms in the late evening and early morning. A slight chance of showers and thunderstorms late. Lows in the lower 70s. South winds 10 to 15 mph, becoming southwest 5 to 10 mph after midnight. Chance of precipitation 50 percent.
Thursday   Partly cloudy. A chance of showers and thunderstorms in the afternoon. Breezy with highs in the lower 90s. Southwest winds 5 to 10 mph, increasing to south 15 to 20 mph with gusts up to 30 mph in the afternoon. Chance of precipitation 50 percent. Heat index values up to 100.
Thursday night   Mostly cloudy. Showers with thunderstorms likely in the evening, then a slight chance of showers and thunderstorms after midnight. Lows in the mid 60s. Southwest winds 15 to 20 mph with gusts up to 25 mph, becoming west 5 to 10 mph after midnight. Chance of precipitation 90 percent.
Friday   Sunny. Highs in the upper 70s.
Friday night   Clear. Lows in the upper 50s.
Saturday   Mostly sunny. Highs in the mid 80s.
Saturday night   Mostly clear in the evening, then becoming partly cloudy. A chance of thunderstorms in the evening. A chance of showers. Lows in the lower 60s. Chance of precipitation 50 percent.
Sunday   Mostly cloudy with a chance of showers. Highs in the lower 80s. Chance of precipitation 50 percent.
Sunday night   Mostly cloudy. Lows in the upper 50s.
Monday   Mostly cloudy. Highs in the mid 70s.
Monday night   Mostly cloudy in the evening, then becoming partly cloudy. Lows in the mid 50s.
Tuesday   Partly cloudy. Highs in the mid 70s.
DTN Weather
Local Weather
Radar
County Forecast
State Forecast
DTN Weather Commentary
US Satellite
Current Surface Analysis
Wind Conditions
Today's Forecast Highs
Tonight's Forecast Lows
24 Hr Surface Forecast
Jet Stream Forecast
24 Hr Rainfall Estimate
24 Hr StormPath Accum
48 Hr StormPath Accum
6-10 Day Temp Forecast
6-10 Day Precip Forecast
Thunderstorm Outlook
US Drought Monitor
US Palmer Drought Index
US Crop Moisture Index
US Growing Degree Days
Soil Temperatures
Hurricane Tracking

DTN Weather Summary

Bryce Anderson image
Bryce Anderson – DTN Meteorologist
More Severe Storms Pushing Into Midwest Wednesday

Low-pressure system threatens severe storms from Manitoba to Texas, with all hazards possible Tuesday–Wednesday. » More DTN Weather Commentary

Posted at 12:14PM Tue Jun 9, 2026 CDT
Click here to get your local weather emailed to you each day.
Copyright DTN. All rights reserved. Disclaimer.
The First Trust and Savings Bank is not responsible for and has no control over the subject matter, content, information, or graphics of this website or the websites that have links here. Please contact us with any concerns or comments.
Powered By DTN