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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 80%
Wind Speed NW 6 mph
Barometer 29.85 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill21°F (-6°C)
Last update 6 Dec 6:45 am CST
Extended Forecast for

2 Miles SW Avalon WI

Winter Weather Advisory December 6, 08:00pm until December 7, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Today

    Today: Mostly cloudy, with a high near 23. Northwest wind 5 to 10 mph becoming northeast in the afternoon.

    High: 23 °F

    Mostly Cloudy

  • Tonight

    Tonight: Snow, mainly after 9pm. The snow could be heavy at times. Low around 15. 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: 15 °F

    Snow Likely
    then Heavy
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow before 9am. Cloudy through mid morning, then gradual clearing, with a high near 19. Wind chill values between zero and 10. North wind 10 to 15 mph.

    High: 19 °F

    Slight Chance
    Snow then
    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around -1. North wind around 5 mph becoming calm in the evening.

    Low: -1 °F

    Mostly Cloudy

  • Monday

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

    High: 21 °F

    Partly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 11. Southwest wind 10 to 15 mph.

    Low: 11 °F

    Chance Snow

  • Tuesday

    Tuesday: A chance of rain and snow after noon. Mostly cloudy, with a high near 34. Southwest wind around 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. Breezy, with a south wind 10 to 20 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 and
    Breezy

  • Wednesday

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

    High: 31 °F

    Chance Snow

Detailed Forecast

Today
Mostly cloudy, with a high near 23. Northwest wind 5 to 10 mph becoming northeast in the afternoon.
Tonight
Snow, mainly after 9pm. The snow could be heavy at times. Low around 15. 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. Wind chill values between zero and 10. North wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around -1. North wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, 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 low around 11. Southwest wind 10 to 15 mph.
Tuesday
A chance of rain and snow after noon. Mostly cloudy, with a high near 34. Southwest wind around 15 mph. Chance of precipitation is 30%.
Tuesday Night
Rain and snow. Low around 25. Breezy, with a south wind 10 to 20 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 30 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:
2 Miles SW Avalon WI
 42.64°N 88.86°W (Elev. 991 ft)
Last Update:
5:06 am CST Dec 6, 2025
Forecast Valid:
7am CST Dec 6, 2025-6pm CST Dec 12, 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