Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

30°F

-1°C

Humidity 93%
Wind Speed N 5 mph
Barometer 29.63 in
Dewpoint 28°F (-2°C)
Visibility 7.00 mi
Wind Chill25°F (-4°C)
Last update 6 Feb 4:55 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Overnight

    Overnight: Snow likely, possibly mixed with freezing rain.  Cloudy, with a low around 27. West wind around 5 mph.  Chance of precipitation is 70%. Little or no ice accumulation expected.  Total nighttime snow accumulation of less than a half inch possible.

    Low: 27 °F

    Wintry Mix
    Likely

  • Friday

    Friday: A chance of snow before 9am, then a chance of flurries between 9am and 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 35. Breezy, with a north wind 10 to 20 mph, with gusts as high as 35 mph.  Chance of precipitation is 40%.

    High: 35 °F

    Breezy.
    Chance Snow
    then Partly
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 5. Wind chill values between -5 and zero. North wind 5 to 15 mph, with gusts as high as 30 mph.

    Low: 5 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 21. Wind chill values between -5 and 5. Calm wind becoming south around 5 mph in the afternoon.

    High: 21 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Cloudy, with a low around 15. Southeast wind 5 to 10 mph.

    Low: 15 °F

    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 32. South wind 5 to 10 mph.

    High: 32 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 21. Southeast wind around 5 mph becoming south after midnight.

    Low: 21 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 40. Southwest wind 5 to 10 mph.

    High: 40 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

Detailed Forecast

Overnight
Snow likely, possibly mixed with freezing rain. Cloudy, with a low around 27. West wind around 5 mph. Chance of precipitation is 70%. Little or no ice accumulation expected. Total nighttime snow accumulation of less than a half inch possible.
Friday
A chance of snow before 9am, then a chance of flurries between 9am and 10am. Cloudy, then gradually becoming mostly sunny, with a high near 35. Breezy, with a north wind 10 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 40%.
Friday Night
Mostly clear, with a low around 5. Wind chill values between -5 and zero. North wind 5 to 15 mph, with gusts as high as 30 mph.
Saturday
Increasing clouds, with a high near 21. Wind chill values between -5 and 5. Calm wind becoming south around 5 mph in the afternoon.
Saturday Night
Cloudy, with a low around 15. Southeast wind 5 to 10 mph.
Sunday
Mostly cloudy, with a high near 32. South wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around 21. Southeast wind around 5 mph becoming south after midnight.
Monday
Partly sunny, with a high near 40. Southwest wind 5 to 10 mph.
Monday Night
Partly cloudy, with a low around 30.
Tuesday
A 20 percent chance of rain after noon. Partly sunny, with a high near 43.
Tuesday Night
A chance of rain and snow. Cloudy, with a low around 28. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of snow. Mostly cloudy, with a high near 35.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 22.
Thursday
A 20 percent chance of snow. Mostly cloudy, with a high near 33.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
4:42 am CST Feb 6, 2026
5am CST Feb 6, 2026-6pm CST Feb 12, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database