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

Rochelle, Rochelle Municipal-Koritz Field Airport (KRPJ)

Lat: 41.89°NLon: 89.08°WElev: 768ft.

Fair

71°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 69°F (21°C)
Visibility 7.00 mi
Last update 16 Jul 12:55 am CDT
Extended Forecast for

Sterling IL

  • Overnight

    Overnight: Partly cloudy, with a low around 70. South wind around 5 mph.

    Low: 70 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the morning. New rainfall amounts between a quarter and half of an inch possible.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 64. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 64 °F

    T-storms
    Likely

  • Thursday

    Thursday: A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 74. North wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 74 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.

    Low: 62 °F

    Mostly Cloudy
    then Chance
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.

    Low: 66 °F

    Chance
    T-storms

Detailed Forecast

Overnight
Partly cloudy, with a low around 70. South wind around 5 mph.
Wednesday
A 50 percent chance of showers and thunderstorms, mainly after 2pm. Mostly sunny, with a high near 89. Calm wind becoming south around 5 mph in the morning. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 64. West wind around 5 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A slight chance of showers and thunderstorms. Mostly cloudy, with a high near 74. North wind 5 to 10 mph. Chance of precipitation is 20%.
Thursday Night
Mostly cloudy, with a low around 57.
Friday
Mostly sunny, with a high near 79.
Friday Night
A 30 percent chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 62.
Saturday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 85. Chance of precipitation is 60%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Chance of precipitation is 50%.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 83.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 63.
Monday
A 30 percent chance of showers. Partly sunny, with a high near 84.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Mostly sunny, with a high near 87.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Sterling IL
 41.8°N 89.67°W (Elev. 656 ft)
Last Update:
10:31 pm CDT Jul 15, 2025
Forecast Valid:
1am CDT Jul 16, 2025-6pm CDT Jul 22, 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