National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

36°F

2°C

Humidity 75%
Wind Speed S 6 mph
Barometer 29.82 in
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Wind Chill31°F (-1°C)
Last update 9 Feb 11:35 pm CST
Extended Forecast for

5 Miles WSW Fort Atkinson WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. South wind 5 to 10 mph becoming west after midnight.

    Low: 31 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 38. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 38 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 23. Northwest wind around 10 mph.

    Low: 23 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph.

    High: 35 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 18. West wind around 5 mph becoming calm.

    Low: 18 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Isolated snow showers after noon. Mostly cloudy, with a high near 35. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.

    High: 35 °F

    Mostly Cloudy
    then Isolated
    Snow Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of snow before midnight. Partly cloudy, with a low around 22. Calm wind.

    Low: 22 °F

    Slight Chance
    Snow then
    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 40. Calm wind becoming southwest around 5 mph in the morning.

    High: 40 °F

    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 24.

    Low: 24 °F

    Increasing
    Clouds

Detailed Forecast

Tonight
Mostly cloudy, with a low around 31. South wind 5 to 10 mph becoming west after midnight.
Tuesday
Partly sunny, with a high near 38. Northwest wind 10 to 15 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 23. Northwest wind around 10 mph.
Wednesday
Mostly sunny, with a high near 35. Northwest wind 5 to 10 mph.
Wednesday Night
Increasing clouds, with a low around 18. West wind around 5 mph becoming calm.
Thursday
Isolated snow showers after noon. Mostly cloudy, with a high near 35. Calm wind becoming south around 5 mph. Chance of precipitation is 20%.
Thursday Night
A 20 percent chance of snow before midnight. Partly cloudy, with a low around 22. Calm wind.
Friday
Sunny, with a high near 40. Calm wind becoming southwest around 5 mph in the morning.
Friday Night
Increasing clouds, with a low around 24.
Saturday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 42. Chance of precipitation is 20%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 40%.
Sunday
A chance of rain and snow. Mostly sunny, with a high near 40. Chance of precipitation is 40%.
Sunday Night
A slight chance of rain and snow. Partly cloudy, with a low around 27. Chance of precipitation is 20%.
Washington's Birthday
Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Fort Atkinson WI
 42.88°N 88.93°W (Elev. 774 ft)
Last Update:
11:32 pm CST Feb 9, 2026
Forecast Valid:
11pm CST Feb 9, 2026-6pm CST Feb 16, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation