County Forecast for Watseka , IL
Change Zip Code: 
 
132300-
Iroquois-
Including the cities of Watseka and Gilman
336 AM CDT Thu Aug 13 2026

..dense fog advisory in effect until 9 am cdt this morning    ...FLOOD WATCH IN EFFECT FROM THIS EVENING THROUGH FRIDAY MORNING...
Early this morning   Partly cloudy late, then becoming mostly cloudy. Areas of dense fog late, then widespread dense fog late. Temperatures in the upper 60s. Light and variable winds, becoming east around 5 mph late.
Today   Mostly cloudy. Widespread dense fog early in the morning. A slight chance of showers in the morning, then showers likely and a chance of thunderstorms in the afternoon. Humid. Highs in the lower 80s. East winds 5 to 10 mph. Chance of precipitation 70 percent.
Tonight   A chance of showers early in the evening. A chance of thunderstorms. Showers in the late evening and overnight. Some thunderstorms may produce heavy rainfall. Humid with lows in the upper 60s. East winds 5 to 10 mph. Chance of precipitation 80 percent.
Friday   Mostly cloudy. Showers likely with a slight chance of thunderstorms early in the morning, then a chance of showers and thunderstorms late in the morning. A slight chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall early in the morning. Humid with highs in the lower 80s. East winds around 5 mph. Chance of precipitation 60 percent.
Friday night   Mostly cloudy. A chance of showers and thunderstorms. Humid with lows in the upper 60s. East winds around 5 mph. Chance of precipitation 50 percent.
Saturday   Mostly cloudy in the morning, then becoming partly cloudy. A chance of showers with a slight chance of thunderstorms in the morning, then a slight chance of showers in the afternoon. Humid with highs in the upper 80s. South winds 5 to 10 mph. Chance of precipitation 50 percent. Heat index values up to 105 in the afternoon.
Saturday night   Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of precipitation 20 percent.
Sunday   Partly cloudy in the morning, then mostly cloudy with a chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of precipitation 50 percent.
Sunday night   Mostly cloudy. A chance of showers and thunderstorms in the evening. Lows in the upper 60s. Chance of precipitation 40 percent.
Monday   Partly cloudy. Highs around 80.
Monday night   Partly cloudy. Lows around 60.
Tuesday   Mostly sunny in the morning, then becoming partly cloudy. Highs around 80.
Tuesday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the lower 60s.
Wednesday   Partly cloudy in the morning, then becoming mostly cloudy. Highs in the lower 80s.
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 Storms Again for Corn Belt Thursday
Posted at 12:25PM Wed Aug 12, 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