Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

19°F

-7°C

Humidity 73%
Wind Speed SW 8 mph
Barometer 30.09 in
Dewpoint 12°F (-11°C)
Visibility 10.00 mi
Wind Chill9°F (-13°C)
Last update 5 Feb 5:15 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Overnight

    Overnight: A 20 percent chance of snow.  Cloudy, with a steady temperature around 17. Southwest wind around 5 mph.

    Low: 17 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: A 50 percent chance of snow, mainly before 11am.  Cloudy, with a high near 32. Southwest wind 5 to 15 mph.

    High: 32 °F

    Chance Snow
    then Cloudy

  • Thursday Night

    Thursday Night: Snow likely, mainly after 3am.  Mostly cloudy, with a low around 25. West wind 5 to 10 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 25 °F

    Cloudy then
    Snow Likely

  • Friday

    Friday: A 30 percent chance of snow, mainly before 9am.  Mostly cloudy, with a high near 36. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 36 °F

    Chance Snow
    then Mostly
    Cloudy and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 5. North wind 5 to 15 mph, with gusts as high as 25 mph.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 22. Calm wind becoming south around 5 mph in the afternoon.

    High: 22 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 17. South wind 5 to 10 mph.

    Low: 17 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 34. South wind 5 to 10 mph.

    High: 34 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 20 percent chance of snow. Cloudy, with a steady temperature around 17. Southwest wind around 5 mph.
Thursday
A 50 percent chance of snow, mainly before 11am. Cloudy, with a high near 32. Southwest wind 5 to 15 mph.
Thursday Night
Snow likely, mainly after 3am. Mostly cloudy, with a low around 25. West wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Friday
A 30 percent chance of snow, mainly before 9am. Mostly cloudy, with a high near 36. Breezy, with a northwest wind 10 to 20 mph, with gusts as high as 30 mph.
Friday Night
Mostly clear, with a low around 5. North wind 5 to 15 mph, with gusts as high as 25 mph.
Saturday
Increasing clouds, with a high near 22. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Mostly cloudy, with a low around 17. South wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 34. South wind 5 to 10 mph.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Partly sunny, with a high near 43.
Monday Night
Mostly cloudy, with a low around 30.
Tuesday
Mostly sunny, with a high near 41.
Tuesday Night
A 30 percent chance of rain. Cloudy, with a low around 28.
Wednesday
A 30 percent chance of rain. Mostly cloudy, with a high near 36.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
5:17 am CST Feb 5, 2026
5am CST Feb 5, 2026-6pm CST Feb 11, 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