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.

Overcast

25°F

-4°C

Humidity 74%
Wind Speed NW 13 mph
Barometer 30.10 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Wind Chill13°F (-11°C)
Last update 2 Feb 12:45 pm CST
Extended Forecast for

Beloit WI

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 28. Northwest wind 5 to 10 mph.

    High: 28 °F

    Partly Sunny

  • Tonight

    Tonight: A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 12. West wind around 5 mph becoming north after midnight. Chance of precipitation is 20%.

    Low: 12 °F

    Slight Chance
    Snow

  • Tuesday

    Tuesday: Sunny, with a high near 22. North wind around 5 mph.

    High: 22 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 3. North wind around 5 mph becoming calm in the evening.

    Low: 3 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 24. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 24 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 9. West wind around 5 mph becoming calm.

    Low: 9 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 32. Southwest wind 5 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph becoming northwest after midnight.

    Low: 27 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 36.

    High: 36 °F

    Partly Sunny

Detailed Forecast

This Afternoon
Partly sunny, with a high near 28. Northwest wind 5 to 10 mph.
Tonight
A slight chance of snow between 10pm and 1am. Mostly cloudy, with a low around 12. West wind around 5 mph becoming north after midnight. Chance of precipitation is 20%.
Tuesday
Sunny, with a high near 22. North wind around 5 mph.
Tuesday Night
Partly cloudy, with a low around 3. North wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 24. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 9. West wind around 5 mph becoming calm.
Thursday
Mostly cloudy, with a high near 32. Southwest wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 27. Southwest wind 10 to 15 mph becoming northwest after midnight.
Friday
Partly sunny, with a high near 36.
Friday Night
Partly cloudy, with a low around 9.
Saturday
Mostly sunny, with a high near 26.
Saturday Night
Mostly cloudy, with a low around 13.
Sunday
Mostly sunny, with a high near 30.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Beloit WI
 42.52°N 89.02°W (Elev. 745 ft)
Last Update:
1:16 pm CST Feb 2, 2026
Forecast Valid:
1pm CST Feb 2, 2026-6pm CST Feb 8, 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