National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Rochelle, Rochelle Municipal-Koritz Field Airport (KRPJ)

Lat: 41.89°NLon: 89.08°WElev: 768ft.

Fair

80°F

27°C

Humidity 88%
Wind Speed S 6 mph
Barometer 29.94 in
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 1 Sep 7:35 pm CDT
Extended Forecast for

3 Miles SW Lee Center IL

Heat Advisory September 1, 07:55pm until September 1, 09:00pm
Click here for hazard details and duration
...
  •  
    Heat Advisory September 1, 07:55pm until September 1, 09:00pm

    NOW until 9:00pm Tue

    Heat Advisory

  • Tonight

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 92. Heat index values as high as 100. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.

    High: 92 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 73. Southwest wind 5 to 10 mph.

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 89. Heat index values as high as 98. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.

    High: 89 °F

    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. South southeast wind around 5 mph.

    Low: 72 °F

    Chance
    T-storms

  • Friday

    Friday: A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.

    High: 88 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.

    Low: 70 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Tonight
Mostly clear, with a low around 73. South southwest wind 5 to 10 mph.
Wednesday
Sunny, with a high near 92. Heat index values as high as 100. West southwest wind 5 to 15 mph, with gusts as high as 20 mph.
Wednesday Night
Mostly clear, with a low around 73. Southwest wind 5 to 10 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 10am. Mostly sunny, with a high near 89. Heat index values as high as 98. Southwest wind around 5 mph, with gusts as high as 10 mph. Chance of precipitation is 20%.
Thursday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 72. South southeast wind around 5 mph.
Friday
A 40 percent chance of showers and thunderstorms before 1pm. Mostly sunny, with a high near 88.
Friday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 70.
Saturday
Mostly sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 68.
Sunday
Partly sunny, with a high near 83.
Sunday Night
Partly cloudy, with a low around 65.
Labor Day
Mostly sunny, with a high near 80.
Monday Night
Mostly cloudy, with a low around 62.
Tuesday
Partly sunny, with a high near 80.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Lee Center IL
 41.67°N 89.27°W
Last Update:
2:51 pm CDT Sep 1, 2026
Forecast Valid:
7pm CDT Sep 1, 2026-6pm CDT Sep 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation