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

40°F

4°C

Humidity 58%
Wind Speed SW 12 mph
Barometer 30.19 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill33°F (1°C)
Last update 12 Mar 12:35 pm CDT
Extended Forecast for

De Kalb IL

High Wind Warning March 13, 01:00am until March 13, 04:00pm
Click here for hazard details and duration
High Wind Warning

  • This Afternoon

    This Afternoon: A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 46. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.

    High: 46 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Showers likely, mainly between 11pm and 4am. Mostly cloudy, with a low around 35. Windy, with a south wind 15 to 20 mph becoming west southwest 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 35 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Mostly cloudy, then gradually becoming sunny, with a high near 45. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.

    High: 45 °F

    Decreasing
    Clouds and
    Very Windy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 28. West northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.

    Low: 28 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A slight chance of snow showers before 4pm, then a slight chance of rain and snow showers. Cloudy, with a high near 42. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.

    High: 42 °F

    Slight Chance
    Snow Showers
    then Slight
    Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: A chance of rain and snow showers before 7pm, then a chance of snow showers between 7pm and 10pm, then rain and snow showers likely after 10pm. Cloudy, with a low around 33. Chance of precipitation is 70%.

    Low: 33 °F

    Chance
    Rain/Snow
    then
    Rain/Snow
    Likely

  • Sunday

    Sunday: Rain, possibly mixed with snow showers, becoming all rain after 1pm. Some thunder is also possible. High near 50. Breezy. Chance of precipitation is 100%.

    High: 50 °F

    Rain/Snow and
    Breezy

  • Sunday Night

    Sunday Night: Snow. Cloudy, with a low around 16. Windy.

    Low: 16 °F

    Snow and
    Windy

  • Monday

    Monday: A chance of snow before 1pm. Mostly cloudy, with a high near 22. Windy.

    High: 22 °F

    Chance Snow
    and Windy

Detailed Forecast

This Afternoon
A 10 percent chance of showers after 5pm. Increasing clouds, with a high near 46. Southwest wind 10 to 15 mph, with gusts as high as 20 mph.
Tonight
Showers likely, mainly between 11pm and 4am. Mostly cloudy, with a low around 35. Windy, with a south wind 15 to 20 mph becoming west southwest 25 to 30 mph after midnight. Winds could gust as high as 45 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Mostly cloudy, then gradually becoming sunny, with a high near 45. Very windy, with a west wind 30 to 35 mph, with gusts as high as 55 mph.
Friday Night
Increasing clouds, with a low around 28. West northwest wind 10 to 15 mph decreasing to 5 to 10 mph after midnight. Winds could gust as high as 30 mph.
Saturday
A slight chance of snow showers before 4pm, then a slight chance of rain and snow showers. Cloudy, with a high near 42. Southeast wind 5 to 10 mph, with gusts as high as 15 mph. Chance of precipitation is 20%.
Saturday Night
A chance of rain and snow showers before 7pm, then a chance of snow showers between 7pm and 10pm, then rain and snow showers likely after 10pm. Cloudy, with a low around 33. Chance of precipitation is 70%.
Sunday
Rain, possibly mixed with snow showers, becoming all rain after 1pm. Some thunder is also possible. High near 50. Breezy. Chance of precipitation is 100%.
Sunday Night
Snow. Cloudy, with a low around 16. Windy.
Monday
A chance of snow before 1pm. Mostly cloudy, with a high near 22. Windy.
Monday Night
Partly cloudy, with a low around 3.
Tuesday
Mostly sunny, with a high near 25.
Tuesday Night
Mostly cloudy, with a low around 13.
Wednesday
Mostly cloudy, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
11:51 am CDT Mar 12, 2026
Forecast Valid:
1pm CDT Mar 12, 2026-6pm CDT Mar 18, 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