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

21°F

-6°C

Humidity 63%
Wind Speed S 10 mph
Barometer 30.12 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill10°F (-12°C)
Last update 17 Mar 10:55 pm CDT
Extended Forecast for

6 Miles S Afton WI

  • Tonight

    Tonight: Snow before 3am, then snow, possibly mixed with freezing rain. Low around 18. South wind around 10 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.

    Low: 18 °F

    Wintry Mix

  • Wednesday

    Wednesday: A chance of snow and freezing rain before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 40. South wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 40 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 33. South wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: Partly sunny, with a high near 47. Southeast wind around 5 mph becoming north in the afternoon.

    High: 47 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. North wind around 5 mph becoming calm in the evening.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 55. Southwest wind 5 to 10 mph.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming southeast after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 66. South wind 5 to 10 mph.

    High: 66 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 42.

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Snow before 3am, then snow, possibly mixed with freezing rain. Low around 18. South wind around 10 mph. Chance of precipitation is 100%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.
Wednesday
A chance of snow and freezing rain before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 40. South wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday Night
A 40 percent chance of rain after midnight. Mostly cloudy, with a low around 33. South wind around 5 mph.
Thursday
Partly sunny, with a high near 47. Southeast wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. North wind around 5 mph becoming calm in the evening.
Friday
Mostly cloudy, with a high near 55. Southwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 37. Northwest wind around 5 mph becoming southeast after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 66. South wind 5 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Partly sunny, with a high near 42.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 48.
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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:
9:47 pm CDT Mar 17, 2026
Forecast Valid:
11pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation