National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

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 NE 5 mph
Barometer 29.98 in
Dewpoint 21°F (-6°C)
Visibility 1.00 mi
Wind Chill17°F (-8°C)
Last update 6 Dec 10:35 pm CST
Extended Forecast for

3 Miles NNE Avalon WI

Winter Weather Advisory December 6, 10:50pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory December 6, 10:50pm until December 7, 06:00am

    NOW until 6:00am Sun

    Winter Weather Advisory

  • Tonight

    Low: 16 °F

    Heavy Snow

  • Sunday

    Sunday: A 40 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 11 by 5pm. Wind chill values between zero and 10. North wind 10 to 15 mph.

    High: 19 °F⇓

    Chance Snow
    then Mostly
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 1. Wind chill values between -5 and -10. North wind around 5 mph becoming calm after midnight.

    Low: 1 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 21. Light and variable wind becoming south 5 to 10 mph in the morning.

    High: 21 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a temperature falling to near 14 by 9pm, then rising to around 23 during the remainder of the night. South wind 10 to 15 mph.

    Low: 14 °F⇑

    Chance Snow

  • 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, possibly mixed with snow. Low around 27. 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: 27 °F

    Rain/Snow

  • Wednesday

    Wednesday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 33. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.

    High: 33 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Snow. The snow could be heavy at times. Low around 16. Light northeast wind becoming north 5 to 10 mph after midnight. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.
Sunday
A 40 percent chance of snow, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a temperature falling to around 11 by 5pm. Wind chill values between zero and 10. North wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 1. Wind chill values between -5 and -10. North wind around 5 mph becoming calm after midnight.
Monday
Mostly cloudy, with a high near 21. Light and variable wind becoming south 5 to 10 mph in the morning.
Monday Night
A 40 percent chance of snow. Mostly cloudy, with a temperature falling to near 14 by 9pm, then rising to around 23 during the remainder of the night. South wind 10 to 15 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, possibly mixed with snow. Low around 27. 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 40 percent chance of snow showers. Mostly cloudy, with a high near 33. Northwest wind 10 to 15 mph, with gusts as high as 25 mph.
Wednesday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 11.
Thursday
A 30 percent chance of snow. Mostly cloudy, with a high near 23.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 5.
Friday
A 20 percent chance of snow showers. Partly sunny, with a high near 13.
Friday Night
Mostly cloudy, with a low around -3.
Saturday
Partly sunny and cold, with a high near 9.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNE Avalon WI
 42.7°N 88.8°W (Elev. 971 ft)
Last Update:
9:26 pm CST Dec 6, 2025
Forecast Valid:
10pm CST Dec 6, 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