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.

Partly Cloudy

66°F

19°C

Humidity 95%
Wind Speed SE 5 mph
Barometer 30.08 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 18 Jul 10:15 pm CDT
Extended Forecast for

Rock Falls IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 68. Southeast wind around 5 mph.

    Low: 68 °F

    Partly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers and thunderstorms likely, mainly between 7am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%.

    High: 84 °F

    T-storms
    Likely

  • Saturday Night

    Saturday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm.

    Low: 67 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind around 5 mph.

    High: 80 °F

    Chance
    T-storms

  • Sunday Night

    Sunday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. New rainfall amounts between a quarter and half of an inch possible.

    Low: 63 °F

    Chance
    T-storms

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 83.

    High: 83 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 69.

    Low: 69 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 90.

    High: 90 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms, mainly after 5am. Partly cloudy, with a low around 68. Southeast wind around 5 mph.
Saturday
Showers and thunderstorms likely, mainly between 7am and noon. Cloudy, then gradually becoming mostly sunny, with a high near 84. South wind around 5 mph becoming west in the afternoon. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Northwest wind around 5 mph becoming calm.
Sunday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 80. East wind around 5 mph.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 63. New rainfall amounts between a quarter and half of an inch possible.
Monday
A 30 percent chance of showers and thunderstorms before 1pm. Mostly cloudy, with a high near 83.
Monday Night
Mostly cloudy, with a low around 69.
Tuesday
Partly sunny, with a high near 90.
Tuesday Night
Mostly clear, with a low around 72.
Wednesday
Mostly sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
Mostly clear, with a low around 70.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 89.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Rock Falls IL
 41.77°N 89.67°W (Elev. 650 ft)
Last Update:
8:17 pm CDT Jul 18, 2025
Forecast Valid:
10pm CDT Jul 18, 2025-6pm CDT Jul 25, 2025
 
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