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

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

16°F

-9°C

Humidity 79%
Wind Speed N 5 mph
Barometer 29.99 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 2 Jan 6:45 pm CST
Extended Forecast for

4 Miles NW Capron IL

  • Tonight

    Tonight: Mostly cloudy, with a low around 15. North northwest wind around 5 mph becoming calm in the evening.

    Low: 15 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 26. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 26 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 10. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.

    Low: 10 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 26. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.

    High: 26 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of snow, freezing rain, and sleet before midnight. Mostly cloudy, with a low around 22. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 22 °F

    Slight Chance
    Wintry Mix
    then Partly
    Cloudy

  • Monday

    Monday: Partly sunny, with a high near 39.

    High: 39 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 28.

    Low: 28 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 15. North northwest wind around 5 mph becoming calm in the evening.
Saturday
Mostly cloudy, with a high near 26. Calm wind becoming west around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Saturday Night
Mostly clear, with a low around 10. West northwest wind around 5 mph becoming calm after midnight. Winds could gust as high as 10 mph.
Sunday
Increasing clouds, with a high near 26. Calm wind becoming south around 5 mph in the afternoon. Winds could gust as high as 10 mph.
Sunday Night
A slight chance of snow, freezing rain, and sleet before midnight. Mostly cloudy, with a low around 22. South wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 39.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 42.
Tuesday Night
Partly cloudy, with a low around 28.
Wednesday
Mostly sunny, with a high near 44.
Wednesday Night
Partly cloudy, with a low around 33.
Thursday
A chance of rain. Mostly cloudy, with a high near 46.
Thursday Night
A chance of rain. Mostly cloudy, with a low around 35.
Friday
A chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Capron IL
 42.44°N 88.81°W
Last Update:
6:56 pm CST Jan 2, 2026
Forecast Valid:
7pm CST Jan 2, 2026-6pm CST Jan 9, 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