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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

19°F

-7°C

Humidity 49%
Wind Speed SW 13 mph
Barometer 30.15 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill6°F (-14°C)
Last update 17 Mar 5:45 pm CDT
Extended Forecast for

3 Miles NNW Afton WI

  • Tonight

    Tonight: Snow before 3am, then snow, possibly mixed with freezing rain. Low around 17. South wind 10 to 15 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.

    Low: 17 °F

    Snow Likely
    then Wintry
    Mix

  • Wednesday

    Wednesday: Areas of snow and freezing rain before 7am. Mostly cloudy, with a high near 40. Southwest wind around 10 mph. Chance of precipitation is 30%.

    High: 40 °F

    Areas Wintry
    Mix then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph.

    Low: 33 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 45. South wind around 5 mph becoming north in the afternoon.

    High: 45 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. North wind around 5 mph becoming south after midnight.

    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 5 to 10 mph becoming southeast after midnight.

    Low: 37 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 65. Southwest wind 5 to 10 mph.

    High: 65 °F

    Decreasing
    Clouds

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Partly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Snow before 3am, then snow, possibly mixed with freezing rain. Low around 17. South wind 10 to 15 mph. Chance of precipitation is 90%. Little or no ice accumulation expected. Total nighttime snow accumulation of around an inch possible.
Wednesday
Areas of snow and freezing rain before 7am. Mostly cloudy, with a high near 40. Southwest wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A 50 percent chance of showers after 1am. Mostly cloudy, with a low around 33. Southwest wind around 5 mph.
Thursday
Partly sunny, with a high near 45. South wind around 5 mph becoming north in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. North wind around 5 mph becoming south after midnight.
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 5 to 10 mph becoming southeast after midnight.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 65. Southwest wind 5 to 10 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 42.
Sunday
Partly sunny, with a high near 58.
Sunday Night
Mostly clear, 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:
3 Miles NNW Afton WI
 42.74°N 89.12°W (Elev. 948 ft)
Last Update:
5:18 pm CDT Mar 17, 2026
Forecast Valid:
6pm CDT Mar 17, 2026-6pm CDT Mar 24, 2026
 
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