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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

28°F

-2°C

Humidity 86%
Wind Speed NW 9 mph
Barometer 29.81 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill19°F (-7°C)
Last update 6 Dec 4:55 am CST
Extended Forecast for

7 Miles WSW Fort Atkinson WI

Winter Weather Advisory December 6, 10:00pm until December 7, 08:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Partly sunny, with a high near 23. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.

    High: 23 °F

    Partly Sunny

  • Tonight

    Tonight: Snow, mainly between 9pm and 5am. The snow could be heavy at times. Low around 14. Light east wind becoming north 5 to 10 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

    Low: 14 °F

    Heavy Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 9am. Cloudy through mid morning, then gradual clearing, with a high near 19. North wind 5 to 10 mph.

    High: 19 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -2. North wind around 5 mph becoming calm in the evening.

    Low: -2 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 22. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 22 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 50 percent chance of snow. Mostly cloudy, with a low around 13. South wind 10 to 15 mph.

    Low: 13 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 34. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 34 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Tuesday Night

    Tuesday Night: Rain and snow. Low around 25. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 25 °F

    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow. Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 23. Northwest wind 5 to 10 mph becoming light and variable in the afternoon.
Tonight
Snow, mainly between 9pm and 5am. The snow could be heavy at times. Low around 14. Light east wind becoming north 5 to 10 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.
Sunday
A 20 percent chance of snow before 9am. Cloudy through mid morning, then gradual clearing, with a high near 19. North wind 5 to 10 mph.
Sunday Night
Mostly cloudy, with a low around -2. North wind around 5 mph becoming calm in the evening.
Monday
Mostly cloudy, with a high near 22. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 13. South wind 10 to 15 mph.
Tuesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 34. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and snow. Low around 25. South wind 10 to 15 mph becoming west after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 31.
Wednesday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 8.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 20.
Thursday Night
A 20 percent chance of snow. Mostly cloudy, with a low around 6.
Friday
Partly sunny, with a high near 15.
Basemap Options
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
7 Miles WSW Fort Atkinson WI
 42.88°N 88.96°W (Elev. 774 ft)
Last Update:
5:06 am CST Dec 6, 2025
Forecast Valid:
5am CST Dec 6, 2025-6pm CST Dec 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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