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

41°F

5°C

Humidity 67%
Wind Speed W 9 mph
Barometer 30.01 in
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 18 Mar 5:55 pm CDT
Extended Forecast for

2 Miles SSW Dekalb IL

  • Tonight

    Tonight: Increasing clouds, with a low around 32. West southwest wind around 5 mph becoming calm in the evening.

    Low: 32 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 20 percent chance of showers before 8am. Partly sunny, with a high near 52. Southeast wind 5 to 10 mph.

    High: 52 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 38. East northeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.

    Low: 38 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 64. West southwest wind around 10 mph, with gusts as high as 15 mph.

    High: 64 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 39. North wind around 5 mph, with gusts as high as 10 mph.

    Low: 39 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 45.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 60. Breezy.

    High: 60 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 32. West southwest wind around 5 mph becoming calm in the evening.
Thursday
A 20 percent chance of showers before 8am. Partly sunny, with a high near 52. Southeast wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 38. East northeast wind around 5 mph becoming south southwest after midnight. Winds could gust as high as 10 mph.
Friday
Mostly cloudy, with a high near 64. West southwest wind around 10 mph, with gusts as high as 15 mph.
Friday Night
Mostly cloudy, with a low around 39. North wind around 5 mph, with gusts as high as 10 mph.
Saturday
Mostly sunny, with a high near 68.
Saturday Night
Partly cloudy, with a low around 45.
Sunday
Mostly cloudy, with a high near 60. Breezy.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
Mostly sunny, with a high near 44.
Monday Night
Mostly cloudy, with a low around 28.
Tuesday
Mostly cloudy, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 34.
Wednesday
Mostly cloudy, with a high near 57.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Dekalb IL
 41.86°N 88.79°W
Last Update:
3:36 pm CDT Mar 18, 2026
Forecast Valid:
6pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation