Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

28°F

-2°C

Humidity 93%
Wind Speed SW 6 mph
Barometer 29.87 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 27 Feb 12:35 am CST
Extended Forecast for

5 Miles SSW Janesville WI

  • Overnight

    Overnight: Mostly clear, with a low around 24. Southwest wind around 5 mph.

    Low: 24 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 61 °F

    Mostly Sunny
    then Sunny
    and Breezy

  • Friday Night

    Friday Night: Increasing clouds, with a low around 24. West wind 10 to 15 mph becoming north after midnight.

    Low: 24 °F

    Increasing
    Clouds

  • Saturday

    Saturday: Snow likely, mainly after 9am.  Mostly cloudy, with a high near 29. North wind 5 to 10 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 29 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Cloudy during the early evening, then gradual clearing, with a low around 12. North wind 5 to 10 mph.

    Low: 12 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Increasing clouds, with a high near 30. North wind 5 to 10 mph becoming east in the afternoon.

    High: 30 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 40 percent chance of snow.  Mostly cloudy, with a low around 17. East wind around 5 mph.

    Low: 17 °F

    Chance Snow

  • Monday

    Monday: Partly sunny, with a high near 37. Southeast wind 5 to 10 mph.

    High: 37 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow after midnight.  Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
Mostly clear, with a low around 24. Southwest wind around 5 mph.
Friday
Sunny, with a high near 61. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Increasing clouds, with a low around 24. West wind 10 to 15 mph becoming north after midnight.
Saturday
Snow likely, mainly after 9am. Mostly cloudy, with a high near 29. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Cloudy during the early evening, then gradual clearing, with a low around 12. North wind 5 to 10 mph.
Sunday
Increasing clouds, with a high near 30. North wind 5 to 10 mph becoming east in the afternoon.
Sunday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 17. East wind around 5 mph.
Monday
Partly sunny, with a high near 37. Southeast wind 5 to 10 mph.
Monday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 25.
Tuesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.
Tuesday Night
A 20 percent chance of rain. Partly cloudy, with a low around 27.
Wednesday
A 30 percent chance of rain. Mostly sunny, with a high near 46.
Wednesday Night
Rain likely. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Thursday
Rain likely. Mostly cloudy, with a high near 51. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSW Janesville WI
 42.63°N 89.04°W (Elev. 804 ft)
12:35 am CST Feb 27, 2026
12am CST Feb 27, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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