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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

27°F

-3°C

Humidity 59%
Wind Speed NW 16 G 21 mph
Barometer 30.19 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill15°F (-9°C)
Last update 21 Feb 10:50 pm CST
Extended Forecast for

3 Miles NNW Afton WI

  • Tonight

    Tonight: A slight chance of snow before 1am, then isolated snow showers between 1am and 2am, then scattered flurries after 2am. Cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 18 °F

    Slight Chance
    Snow

  • Sunday

    Sunday: Scattered flurries before 2pm. Mostly cloudy, with a high near 25. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.

    High: 25 °F

    Scattered
    Flurries and
    Blustery

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 13. Wind chill values between zero and 5. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 13 °F

    Mostly Cloudy
    and Blustery
    then Partly
    Cloudy

  • Monday

    Monday: Sunny, with a high near 26. Wind chill values between -5 and 5. North wind 5 to 15 mph.

    High: 26 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight.

    Low: 17 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of snow. Partly sunny, with a high near 39. South wind 10 to 15 mph.

    High: 39 °F

    Chance Snow

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. Southwest wind around 10 mph becoming northwest after midnight.

    Low: 24 °F

    Chance Snow

  • Wednesday

    Wednesday: A slight chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 37. West wind around 10 mph. Chance of precipitation is 30%.

    High: 37 °F

    Slight Chance
    Snow then
    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.

    Low: 19 °F

    Chance
    Rain/Snow
    then Chance
    Snow

Detailed Forecast

Tonight
A slight chance of snow before 1am, then isolated snow showers between 1am and 2am, then scattered flurries after 2am. Cloudy, with a low around 18. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Sunday
Scattered flurries before 2pm. Mostly cloudy, with a high near 25. Blustery, with a northwest wind around 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly cloudy, with a low around 13. Wind chill values between zero and 5. Blustery, with a north wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
Sunny, with a high near 26. Wind chill values between -5 and 5. North wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
A 30 percent chance of snow. Partly sunny, with a high near 39. South wind 10 to 15 mph.
Tuesday Night
A 30 percent chance of snow, mainly before midnight. Mostly cloudy, with a low around 24. Southwest wind around 10 mph becoming northwest after midnight.
Wednesday
A slight chance of snow before noon, then a chance of rain and snow. Partly sunny, with a high near 37. West wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
A chance of rain and snow before midnight, then a chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 40%.
Thursday
A 30 percent chance of snow, mainly before noon. Mostly sunny, with a high near 37.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Sunny, with a high near 49.
Friday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 42. Chance of precipitation is 20%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles NNW Afton WI
 42.74°N 89.12°W (Elev. 948 ft)
Last Update:
10:33 pm CST Feb 21, 2026
Forecast Valid:
11pm CST Feb 21, 2026-6pm CST Feb 28, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation