Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

A Few Clouds

23°F

-5°C

Humidity 63%
Wind Speed W 6 mph
Barometer 30.13 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 2 Feb 5:45 pm CST
Extended Forecast for

Janesville WI

  • Tonight

    Tonight: A slight chance of snow between midnight and 1am.  Mostly cloudy, with a low around 11. West wind around 5 mph becoming calm.  Chance of precipitation is 20%.

    Low: 11 °F

    Mostly Cloudy
    then 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.

    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: Mostly cloudy, with a low around 9. West wind around 5 mph becoming calm.

    Low: 9 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.

    High: 31 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A slight chance of rain and snow after midnight.  Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph becoming northwest after midnight.  Chance of precipitation is 20%.

    Low: 26 °F

    Mostly Cloudy
    then Slight
    Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 36. Northwest wind 10 to 15 mph.

    High: 36 °F

    Partly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 8.

    Low: 8 °F

    Partly Cloudy

Detailed Forecast

Tonight
A slight chance of snow between midnight and 1am. Mostly cloudy, with a low around 11. West wind around 5 mph becoming calm. 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.
Wednesday
Sunny, with a high near 24. Calm wind becoming northwest around 5 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 9. West wind around 5 mph becoming calm.
Thursday
Mostly cloudy, with a high near 31. Southwest wind 5 to 10 mph.
Thursday Night
A slight chance of rain and snow after midnight. Mostly cloudy, with a low around 26. Southwest wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 36. Northwest wind 10 to 15 mph.
Friday Night
Partly cloudy, with a low around 8.
Saturday
Mostly sunny, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 12.
Sunday
Mostly sunny, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 15.
Monday
Partly sunny, with a high near 35.
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ABOUT THIS FORECAST

 
Point Forecast:
Janesville WI
 42.67°N 89.04°W (Elev. 774 ft)
6:06 pm CST Feb 2, 2026
6pm CST Feb 2, 2026-6pm CST Feb 9, 2026
 
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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