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.

Fair

34°F

1°C

Humidity 87%
Wind Speed Calm
Barometer 29.95 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 14 Feb 9:55 pm CST
Extended Forecast for

2 Miles W Beloit WI

  • Tonight

    Tonight: Mostly clear, with a low around 33. South wind around 5 mph.

    Low: 33 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 57. Southwest wind around 5 mph becoming north in the afternoon.

    High: 57 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.

    Low: 33 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 61. Southwest wind 5 to 15 mph.

    High: 61 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming east after midnight.

    Low: 39 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 55. Southeast wind 5 to 15 mph.

    High: 55 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A chance of rain, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 47. Southeast wind around 15 mph becoming south after midnight. Chance of precipitation is 50%.

    Low: 47 °F

    Chance Rain

  • Wednesday

    Wednesday: A 30 percent chance of rain, mainly before noon. Sunny, with a high near 60. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 60 °F

    Chance Rain
    and Breezy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of rain before midnight. Mostly clear, with a low around 34.

    Low: 34 °F

    Slight Chance
    Rain then
    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 33. South wind around 5 mph.
Sunday
Sunny, with a high near 57. Southwest wind around 5 mph becoming north in the afternoon.
Sunday Night
Partly cloudy, with a low around 33. Calm wind becoming south around 5 mph after midnight.
Washington's Birthday
Mostly sunny, with a high near 61. Southwest wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 39. Southwest wind around 5 mph becoming east after midnight.
Tuesday
Mostly cloudy, with a high near 55. Southeast wind 5 to 15 mph.
Tuesday Night
A chance of rain, with thunderstorms also possible after midnight. Mostly cloudy, with a low around 47. Southeast wind around 15 mph becoming south after midnight. Chance of precipitation is 50%.
Wednesday
A 30 percent chance of rain, mainly before noon. Sunny, with a high near 60. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Wednesday Night
A 20 percent chance of rain before midnight. Mostly clear, with a low around 34.
Thursday
A 30 percent chance of rain after noon. Mostly sunny, with a high near 48.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 30%.
Friday
A 30 percent chance of snow. Partly sunny, with a high near 38.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 20.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles W Beloit WI
 42.52°N 89.05°W (Elev. 751 ft)
Last Update:
7:33 pm CST Feb 14, 2026
Forecast Valid:
10pm CST Feb 14, 2026-6pm CST Feb 21, 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