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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Light Snow

23°F

-5°C

Humidity 93%
Wind Speed N 12 mph
Barometer 30.05 in
Dewpoint 21°F (-6°C)
Visibility 6.00 mi
Wind Chill11°F (-12°C)
Last update 7 Dec 5:45 am CST
Extended Forecast for

5 Miles WSW Fort Atkinson WI

Winter Weather Advisory December 7, 06:00am until December 7, 08:00am
Click here for hazard details and duration
...
  •  
    Winter Weather Advisory December 7, 06:00am until December 7, 08:00am

    NOW until 8:00am Sun

    Winter Weather Advisory

  • Today

    High: 18 °F⇓

    Slight Chance
    Snow then
    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 0. North wind around 5 mph becoming calm after midnight.

    Low: 0 °F

    Increasing
    Clouds

  • Monday

    Monday: Mostly cloudy, with a high near 23. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 23 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of snow. Cloudy, with a temperature falling to near 17 by 8pm, then rising to around 25 during the remainder of the night. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.

    Low: 17 °F⇑

    Chance Snow
    and Breezy

  • Tuesday

    Tuesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 35. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 35 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow. Low around 29. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

    Low: 29 °F

    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: A chance of rain and snow before noon. Mostly cloudy, with a high near 34. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 34 °F

    Chance
    Rain/Snow and
    Breezy then
    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow. Mostly cloudy, with a low around 12. Northwest wind around 10 mph.

    Low: 12 °F

    Slight Chance
    Snow

Detailed Forecast

Today
A 20 percent chance of snow before 8am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 12 by 5pm. Wind chill values between zero and 10. North wind around 10 mph.
Tonight
Increasing clouds, with a low around 0. North wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 23. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
A 50 percent chance of snow. Cloudy, with a temperature falling to near 17 by 8pm, then rising to around 25 during the remainder of the night. Breezy, with a south wind 10 to 20 mph, with gusts as high as 25 mph.
Tuesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 35. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and snow. Low around 29. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.
Wednesday
A chance of rain and snow before noon. Mostly cloudy, with a high near 34. Breezy, with a northwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 12. Northwest wind around 10 mph.
Thursday
A 30 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 23.
Thursday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 4.
Friday
A 20 percent chance of snow. Partly sunny, with a high near 14.
Friday Night
A 20 percent chance of snow. Mostly cloudy, with a low around -4.
Saturday
Partly sunny and cold, with a high near 10.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Fort Atkinson WI
 42.88°N 88.93°W (Elev. 774 ft)
Last Update:
5:06 am CST Dec 7, 2025
Forecast Valid:
6am CST Dec 7, 2025-6pm CST Dec 13, 2025
 
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