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.

Overcast

16°F

-9°C

Humidity 73%
Wind Speed NW 15 mph
Barometer 30.22 in
Dewpoint 9°F (-13°C)
Visibility 10.00 mi
Wind Chill1°F (-17°C)
Last update 29 Dec 6:45 pm CST
Extended Forecast for

6 Miles S Afton WI

  • Tonight

    Tonight: Scattered snow showers before 10pm, then scattered flurries between 10pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 8 °F

    Scattered
    Snow Showers
    then Mostly
    Cloudy

  • Tuesday

    Tuesday: Snow likely, mainly after 3pm. Increasing clouds, with a high near 24. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 24 °F

    Slight Chance
    Snow then
    Snow Likely

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 20. Northwest wind around 10 mph.

    Low: 20 °F

    Chance Snow
    then Mostly
    Cloudy

  • Wednesday

    Wednesday: Snow likely after noon. Cloudy, with a high near 28. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 28 °F

    Cloudy then
    Snow Likely

  • Wednesday Night

    Wednesday Night: A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Northwest wind 5 to 10 mph.

    Low: 5 °F

    Slight Chance
    Snow then
    Mostly Clear

  • New Year's Day

    New Year's Day: Mostly sunny, with a high near 18. West wind around 5 mph.

    High: 18 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 10. West wind around 5 mph becoming calm.

    Low: 10 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 25. Calm wind becoming northwest around 5 mph in the afternoon.

    High: 25 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 13.

    Low: 13 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Scattered snow showers before 10pm, then scattered flurries between 10pm and 11pm. Cloudy, then gradually becoming partly cloudy, with a low around 8. Wind chill values between -5 and zero. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.
Tuesday
Snow likely, mainly after 3pm. Increasing clouds, with a high near 24. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
A 30 percent chance of snow before midnight. Mostly cloudy, with a low around 20. Northwest wind around 10 mph.
Wednesday
Snow likely after noon. Cloudy, with a high near 28. Northwest wind 10 to 15 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Wednesday Night
A 20 percent chance of snow before midnight. Mostly cloudy, then gradually becoming mostly clear, with a low around 5. Northwest wind 5 to 10 mph.
New Year's Day
Mostly sunny, with a high near 18. West wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 10. West wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 25. Calm wind becoming northwest around 5 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 13.
Saturday
Partly sunny, with a high near 27.
Saturday Night
Mostly cloudy, with a low around 15.
Sunday
Mostly sunny, with a high near 32.
Sunday Night
Mostly cloudy, with a low around 22.
Monday
Mostly cloudy, with a high near 34.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles S Afton WI
 42.6°N 89.07°W (Elev. 751 ft)
Last Update:
6:46 pm CST Dec 29, 2025
Forecast Valid:
7pm CST Dec 29, 2025-6pm CST Jan 5, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation