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.

Overcast

34°F

1°C

Humidity 87%
Wind Speed W 10 mph
Barometer 29.94 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 7 Mar 11:15 pm CDT
Extended Forecast for

4 Miles WNW Beloit WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Sunny then
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. Southwest wind around 15 mph, with gusts as high as 30 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 67. Southwest wind 10 to 15 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 45. South wind around 5 mph becoming southeast after midnight.

    Low: 45 °F

    Mostly Clear

  • Tuesday

    Tuesday: Rain likely and possibly a thunderstorm, mainly after 3pm. Increasing clouds, with a high near 66. East wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 66 °F

    Sunny then
    Rain Likely

  • Tuesday Night

    Tuesday Night: Rain. Low around 33. East wind around 15 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 33 °F

    Rain

  • Wednesday

    Wednesday: Rain and snow likely, mainly before noon. Cloudy, with a high near 42. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 42 °F

    Breezy.
    Rain/Snow
    Likely then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 24.

    Low: 24 °F

    Slight Chance
    Snow then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 32. Southwest wind 10 to 15 mph.
Sunday
Sunny, with a high near 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 43. Southwest wind around 15 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 67. Southwest wind 10 to 15 mph.
Monday Night
Mostly clear, with a low around 45. South wind around 5 mph becoming southeast after midnight.
Tuesday
Rain likely and possibly a thunderstorm, mainly after 3pm. Increasing clouds, with a high near 66. East wind 10 to 15 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday Night
Rain. Low around 33. East wind around 15 mph becoming north after midnight. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.
Wednesday
Rain and snow likely, mainly before noon. Cloudy, with a high near 42. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 24.
Thursday
Partly sunny, with a high near 46.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35. Breezy.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 56. Breezy.
Friday Night
Mostly cloudy, with a low around 26.
Saturday
A 30 percent chance of snow. Mostly cloudy, with a high near 42.
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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:
10:31 pm CST Mar 7, 2026
Forecast Valid:
10pm CST Mar 7, 2026-6pm CDT Mar 14, 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