County Forecast for Rochester , IL
Change Zip Code: 
 
200500-
Sangamon-
Including the city of Springfield
421 PM CDT Sat Jul 19 2025

Tonight   Partly cloudy this evening, then becoming mostly cloudy. Lows in the lower 70s. South winds 5 to 10 mph.
Sunday   Partly sunny. A slight chance of showers and thunderstorms in the morning, then a chance of showers and thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph, becoming southeast in the afternoon. Chance of rain 50 percent.
Sunday night   Thunderstorms likely. Showers likely. Humid with lows in the lower 70s. Northeast winds around 5 mph. Chance of rain 70 percent.
Monday   Mostly cloudy in the morning, then becoming partly sunny. A chance of thunderstorms. A chance of showers. Humid with highs in the mid 80s. East winds around 5 mph. Chance of rain 50 percent.
Monday night   Partly cloudy. Humid with lows in the lower 70s. East winds around 5 mph.
Tuesday   Mostly sunny. Highs around 90. Heat index values up to 100.
Tuesday night through friday night   Mostly clear. Lows in the mid 70s. Highs in the mid 90s.
Saturday   Mostly sunny with a chance of showers. A chance of thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105.
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
Widespread Corn Belt Rain This Weekend

Potential severe weather and heavy rainfall for the Corn Belt. Heat will be building in the South and Southeast. » More DTN Weather Commentary

Posted at 12:09PM Fri Jul 18, 2025 CDT
Click here to get your local weather emailed to you each day.
Copyright DTN. All rights reserved. Disclaimer.
Powered By DTN