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

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

45°F

7°C

Humidity 93%
Wind Speed E 6 mph
Barometer 30.00 in
Dewpoint 43°F (6°C)
Visibility 5.00 mi
Wind Chill42°F (6°C)
Last update 5 Mar 5:45 pm CST
Extended Forecast for

4 Miles NW Capron IL

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Southeast wind around 5 mph, with gusts as high as 10 mph.

    Low: 41 °F

    Patchy Fog
    then Chance
    Showers and
    Areas Fog

  • Friday

    Friday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Areas of fog before noon. High near 66. Breezy, with a southeast wind 10 to 20 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 66 °F

    Showers and
    Areas Fog
    then Chance
    T-storms and
    Breezy

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 55. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 55 °F

    Breezy.
    Chance
    T-storms then
    T-storms

  • Saturday

    Saturday: A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 57. Breezy, with a southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 57 °F

    Breezy.
    Slight Chance
    Showers then
    Partly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 32. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.

    Low: 32 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy.

    High: 60 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 68.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 44.

    Low: 44 °F

    Mostly Clear

Detailed Forecast

Tonight
A 30 percent chance of showers and thunderstorms after 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 41. Southeast wind around 5 mph, with gusts as high as 10 mph.
Friday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Areas of fog before noon. High near 66. Breezy, with a southeast wind 10 to 20 mph becoming south southwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 55. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 20 percent chance of showers before 9am. Mostly cloudy, with a high near 57. Breezy, with a southwest wind 15 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Partly cloudy, with a low around 32. West northwest wind 5 to 10 mph becoming southwest after midnight. Winds could gust as high as 15 mph.
Sunday
Sunny, with a high near 60. Breezy.
Sunday Night
Mostly clear, with a low around 46.
Monday
Sunny, with a high near 68.
Monday Night
Mostly clear, with a low around 44.
Tuesday
Showers likely after noon. Partly sunny, with a high near 69.
Tuesday Night
Showers. Mostly cloudy, with a low around 40.
Wednesday
A chance of showers. Mostly cloudy, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 25.
Thursday
Sunny, with a high near 45.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles NW Capron IL
 42.44°N 88.81°W
Last Update:
3:06 pm CST Mar 5, 2026
Forecast Valid:
6pm CST Mar 5, 2026-6pm CDT Mar 12, 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