County Forecast for Watseka , IL
Change Zip Code: 
 
192300-
Iroquois-
Including the cities of Watseka and Gilman
351 AM CDT Wed Aug 19 2026

...FLOOD WATCH IN EFFECT FROM 1 PM CDT THIS AFTERNOON THROUGH
LATE TONIGHT...

Early this morning   Mostly cloudy. A slight chance of showers. Patchy fog late. Temperatures in the upper 60s. Southwest winds around 5 mph. Chance of precipitation 20 percent.
Today   Mostly cloudy. Patchy fog early in the morning. A slight chance of showers late in the morning. A chance of showers and thunderstorms in the afternoon. Some thunderstorms may produce heavy rainfall in the afternoon. Humid. Highs in the upper 70s. West winds around 5 mph. Chance of precipitation 50 percent.
Tonight   Mostly cloudy. A chance of showers and thunderstorms early in the evening, then a slight chance of showers and thunderstorms late in the evening. Some thunderstorms may produce heavy rainfall in the evening. Lows in the lower 60s. North winds around 5 mph. Chance of precipitation 50 percent.
Thursday   Mostly sunny. Highs in the upper 70s. Northeast winds around 5 mph.
Thursday night   Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 50s. Light and variable winds.
Friday   Partly cloudy. A slight chance of showers and thunderstorms in the afternoon. Highs in the upper 70s. Southwest winds around 5 mph. Chance of precipitation 20 percent.
Friday night   Partly cloudy. A chance of showers with a slight chance of thunderstorms in the evening, then a slight chance of showers after midnight. Lows in the lower 60s. Chance of precipitation 30 percent.
Saturday   Partly cloudy in the morning, then clearing. A slight chance of showers and thunderstorms. Highs in the upper 70s. Chance of precipitation 20 percent.
Saturday night   Mostly clear. Lows around 60.
Sunday   Mostly sunny in the morning, then becoming partly cloudy. Highs in the mid 70s.
Sunday night   Partly cloudy. Lows in the upper 50s.
Monday   Partly cloudy. Highs in the upper 70s.
Monday night   Partly cloudy. Lows in the upper 50s.
Tuesday   Partly cloudy. Highs around 80.
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
Front Continues to Push Through Corn Belt Wednesday
Posted at 11:59AM Tue Aug 18, 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