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.

Light Rain

36°F

2°C

Humidity 95%
Wind Speed N 16 G 22 mph
Barometer 29.68 in
Dewpoint 35°F (2°C)
Visibility 5.00 mi
Wind Chill26°F (-3°C)
Last update 11 Mar 6:35 am CDT
Extended Forecast for

De Kalb IL

  • Today

    Today: Rain and snow before 3pm, then a chance of snow between 3pm and 5pm, then a slight chance of rain and snow after 5pm. Some thunder is also possible. High near 37. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    High: 37 °F

    Rain then
    Rain/Snow and
    Breezy

  • Tonight

    Tonight: Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 26 °F

    Gradual
    Clearing

  • Thursday

    Thursday: Increasing clouds, with a high near 46. West wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 46 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Showers likely, mainly after 1am. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.

    Low: 36 °F

    Showers
    Likely and
    Windy

  • Friday

    Friday: Mostly sunny, with a high near 46. Windy, with a west wind 25 to 30 mph, with gusts as high as 40 mph.

    High: 46 °F

    Mostly Sunny
    and Windy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow. Cloudy, with a high near 41.

    High: 41 °F

    Chance Snow

  • Saturday Night

    Saturday Night: Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Breezy.

    Low: 32 °F

    Rain/Snow
    Likely and
    Breezy

  • Sunday

    Sunday: Rain before 1pm, then rain and snow. Cloudy, with a high near 45. Breezy.

    High: 45 °F

    Breezy. Rain
    then
    Rain/Snow

Detailed Forecast

Today
Rain and snow before 3pm, then a chance of snow between 3pm and 5pm, then a slight chance of rain and snow after 5pm. Some thunder is also possible. High near 37. Breezy, with a north northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Tonight
Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday
Increasing clouds, with a high near 46. West wind 5 to 15 mph, with gusts as high as 25 mph.
Thursday Night
Showers likely, mainly after 1am. Cloudy, with a low around 36. Windy, with a south wind 15 to 20 mph increasing to 25 to 30 mph after midnight. Winds could gust as high as 40 mph. Chance of precipitation is 60%.
Friday
Mostly sunny, with a high near 46. Windy, with a west wind 25 to 30 mph, with gusts as high as 40 mph.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A 30 percent chance of snow. Cloudy, with a high near 41.
Saturday Night
Rain and snow likely, mainly after 1am. Cloudy, with a low around 32. Breezy.
Sunday
Rain before 1pm, then rain and snow. Cloudy, with a high near 45. Breezy.
Sunday Night
A chance of snow before 1am. Mostly cloudy, with a low around 14. Blustery.
Monday
Partly sunny, with a high near 26. Blustery.
Monday Night
Partly cloudy, with a low around 7.
Tuesday
Partly sunny, with a high near 29.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
De Kalb IL
 41.92°N 88.76°W
Last Update:
4:11 am CDT Mar 11, 2026
Forecast Valid:
6am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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