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.

Fair

10°F

-12°C

Humidity 67%
Wind Speed N 6 mph
Barometer 30.41 in
Dewpoint 1°F (-17°C)
Visibility 10.00 mi
Wind Chill0°F (-18°C)
Last update 7 Feb 7:45 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Today

    Today: Increasing clouds, with a high near 23. North wind around 5 mph becoming calm.

    High: 23 °F

    Increasing
    Clouds

  • Tonight

    Tonight: A chance of snow or flurries before 2am, then a slight chance of snow between 2am and 3am. Cloudy, with a low around 17. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 17 °F

    Chance Snow

  • Sunday

    Sunday: Partly sunny, with a high near 30. Southeast wind 5 to 10 mph.

    High: 30 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 20. Southeast wind around 5 mph.

    Low: 20 °F

    Mostly Cloudy

  • Monday

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

    High: 41 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 33. South wind around 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 47. Northwest wind 5 to 10 mph.

    High: 47 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 28. North wind around 5 mph.

    Low: 28 °F

    Slight Chance
    Snow

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 37.

    High: 37 °F

    Mostly Cloudy

Detailed Forecast

Today
Increasing clouds, with a high near 23. North wind around 5 mph becoming calm.
Tonight
A chance of snow or flurries before 2am, then a slight chance of snow between 2am and 3am. Cloudy, with a low around 17. Southeast wind 5 to 10 mph. Chance of precipitation is 30%.
Sunday
Partly sunny, with a high near 30. Southeast wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 20. Southeast wind around 5 mph.
Monday
Partly sunny, with a high near 41. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 33. South wind around 5 mph.
Tuesday
Partly sunny, with a high near 47. Northwest wind 5 to 10 mph.
Tuesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 28. North wind around 5 mph.
Wednesday
Mostly cloudy, with a high near 37.
Wednesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 23.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 38.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 25.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 39.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
Last Update:
5:32 am CST Feb 7, 2026
Forecast Valid:
8am CST Feb 7, 2026-6pm CST Feb 13, 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