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

21°F

-6°C

Humidity 49%
Wind Speed E 9 mph
Barometer 30.34 in
Dewpoint 5°F (-15°C)
Visibility 10.00 mi
Wind Chill11°F (-12°C)
Last update 7 Feb 6:45 pm CST
Extended Forecast for

4 Miles WNW Beloit WI

  • Tonight

    Tonight: A chance of flurries between 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 18. Southeast wind 5 to 10 mph.

    Low: 18 °F

    Chance
    Flurries

  • Sunday

    Sunday: Mostly sunny, with a high near 31. Southeast wind around 10 mph.

    High: 31 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 20. Southeast wind 5 to 10 mph.

    Low: 20 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 41. South wind 5 to 10 mph.

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32. South wind around 10 mph becoming west after midnight.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 42. Northwest wind around 10 mph.

    High: 42 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 23. Northwest wind around 5 mph.

    Low: 23 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 37. North wind around 5 mph.

    High: 37 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
A chance of flurries between 9pm and 1am. Cloudy, then gradually becoming partly cloudy, with a low around 18. Southeast wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 31. Southeast wind around 10 mph.
Sunday Night
Partly cloudy, with a low around 20. Southeast wind 5 to 10 mph.
Monday
Partly sunny, with a high near 41. South wind 5 to 10 mph.
Monday Night
Mostly cloudy, with a low around 32. South wind around 10 mph becoming west after midnight.
Tuesday
Mostly cloudy, with a high near 42. Northwest wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 23. Northwest wind around 5 mph.
Wednesday
Mostly sunny, with a high near 37. North wind around 5 mph.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 24.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 36.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 21.
Friday
Partly sunny, with a high near 37.
Friday Night
Mostly cloudy, with a low around 21.
Saturday
A 20 percent chance of snow. Mostly sunny, with a high near 37.
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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:
5:32 pm CST Feb 7, 2026
Forecast Valid:
6pm CST Feb 7, 2026-6pm CST Feb 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