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.

Mostly Cloudy

18°F

-8°C

Humidity 73%
Wind Speed NW 16 mph
Barometer 30.43 in
Dewpoint 10°F (-12°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 23 Feb 1:15 am CST
Extended Forecast for

3 Miles NNW Afton WI

  • Overnight

    Overnight: Scattered flurries before 2am. Partly cloudy, with a low around 12. Wind chill values between zero and 5. North wind around 15 mph, with gusts as high as 25 mph.

    Low: 12 °F

    Scattered
    Flurries

  • Monday

    Monday: Sunny, with a high near 27. Wind chill values between zero and 10. North wind 5 to 15 mph.

    High: 27 °F

    Sunny

  • Monday Night

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

    Low: 17 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 39. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 39 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 17. Northwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 17 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Sunny, with a high near 29. West wind 5 to 15 mph.

    High: 29 °F

    Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow. Mostly cloudy, with a low around 18. West wind around 5 mph becoming east after midnight.

    Low: 18 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Mostly sunny, with a high near 36. East wind 5 to 10 mph becoming west in the afternoon.

    High: 36 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Overnight
Scattered flurries before 2am. Partly cloudy, with a low around 12. Wind chill values between zero and 5. North wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 27. Wind chill values between zero and 10. North wind 5 to 15 mph.
Monday Night
Increasing clouds, with a low around 17. Light and variable wind becoming south 5 to 10 mph after midnight.
Tuesday
A 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 39. Breezy, with a south wind 15 to 20 mph, with gusts as high as 30 mph.
Tuesday Night
Mostly cloudy, with a low around 17. Northwest wind around 15 mph, with gusts as high as 25 mph.
Wednesday
Sunny, with a high near 29. West wind 5 to 15 mph.
Wednesday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 18. West wind around 5 mph becoming east after midnight.
Thursday
A 30 percent chance of snow before noon. Mostly sunny, with a high near 36. East wind 5 to 10 mph becoming west in the afternoon.
Thursday Night
Partly cloudy, with a low around 22.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 26.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 39.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 17.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 30.
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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:
12:22 am CST Feb 23, 2026
Forecast Valid:
1am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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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