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 62%
Wind Speed N 17 mph
Barometer 30.51 in
Dewpoint 7°F (-14°C)
Visibility 10.00 mi
Wind Chill3°F (-16°C)
Last update 23 Feb 8:45 am CST
Extended Forecast for

3 Miles SW Fort Atkinson WI

  • Today

    Today: Mostly sunny, with a high near 25. North wind 5 to 10 mph.

    High: 25 °F

    Mostly Sunny

  • Tonight

    Tonight: 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 40 percent chance of snow, mainly after noon. Mostly cloudy, with a high near 38. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph.

    High: 38 °F

    Chance Snow
    and Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 16. West wind 10 to 15 mph.

    Low: 16 °F

    Mostly Cloudy

  • Wednesday

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

    High: 29 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 15. Northwest wind around 5 mph becoming calm.

    Low: 15 °F

    Chance Snow

  • Thursday

    Thursday: A 30 percent chance of snow before noon. Partly sunny, with a high near 36. Light and variable wind becoming north 5 to 10 mph in the morning.

    High: 36 °F

    Chance Snow
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 21. West wind around 5 mph becoming southwest after midnight.

    Low: 21 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 50.

    High: 50 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 25. North wind 5 to 10 mph.
Tonight
Mostly cloudy, 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 38. Breezy, with a south wind 10 to 20 mph, with gusts as high as 35 mph.
Tuesday Night
Mostly cloudy, with a low around 16. West wind 10 to 15 mph.
Wednesday
Mostly sunny, with a high near 29. West wind 5 to 15 mph.
Wednesday Night
A 40 percent chance of snow, mainly after midnight. Mostly cloudy, with a low around 15. Northwest wind around 5 mph becoming calm.
Thursday
A 30 percent chance of snow before noon. Partly sunny, with a high near 36. Light and variable wind becoming north 5 to 10 mph in the morning.
Thursday Night
Partly cloudy, with a low around 21. West wind around 5 mph becoming southwest after midnight.
Friday
Sunny, with a high near 50.
Friday Night
Partly cloudy, with a low around 25.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 38.
Saturday Night
A 20 percent chance of snow. Partly cloudy, with a low around 15.
Sunday
A 30 percent chance of snow. Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Fort Atkinson WI
 42.9°N 88.9°W (Elev. 781 ft)
Last Update:
9:03 am CST Feb 23, 2026
Forecast Valid:
9am CST Feb 23, 2026-6pm CST Mar 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation