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

52°F

11°C

Humidity 24%
Wind Speed S 6 mph
Barometer 30.21 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 24 Mar 5:45 pm CDT
Extended Forecast for

4 Miles WNW Beloit WI

  • Tonight

    Tonight: Partly cloudy, with a low around 35. South wind around 5 mph.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 68. South wind 5 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 49. South wind 5 to 10 mph.

    Low: 49 °F

    Partly Cloudy

  • Thursday

    Thursday: A 40 percent chance of rain after 1pm. Partly sunny, with a high near 71. Southwest wind 5 to 15 mph becoming north in the afternoon.

    High: 71 °F

    Mostly Sunny
    then Chance
    Rain

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. North wind around 15 mph.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. North wind around 10 mph.

    High: 44 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 26. West wind 5 to 10 mph.

    Low: 26 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 52. West wind 5 to 15 mph.

    High: 52 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 35. South wind around 5 mph.
Wednesday
Partly sunny, with a high near 68. South wind 5 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
Partly cloudy, with a low around 49. South wind 5 to 10 mph.
Thursday
A 40 percent chance of rain after 1pm. Partly sunny, with a high near 71. Southwest wind 5 to 15 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 27. North wind around 15 mph.
Friday
Mostly sunny, with a high near 44. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 26. West wind 5 to 10 mph.
Saturday
Sunny, with a high near 52. West wind 5 to 15 mph.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Partly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 66.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 46.
Tuesday
A 30 percent chance of rain. Mostly cloudy, with a high near 64.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WNW Beloit WI
 42.54°N 89.1°W (Elev. 889 ft)
Last Update:
2:32 pm CDT Mar 24, 2026
Forecast Valid:
6pm CDT Mar 24, 2026-6pm CDT Mar 31, 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