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

37°F

3°C

Humidity 93%
Wind Speed Calm
Barometer 30.01 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 10 Nov 11:15 pm CST
Extended Forecast for

Fort Atkinson WI

  • Tonight

    Tonight: A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 39. Calm wind.

    Low: 39 °F

    Slight Chance
    Rain

  • Veterans Day

    Veterans Day: A 50 percent chance of rain, mainly before 1pm. Cloudy, with a high near 53. Calm wind becoming northeast around 5 mph in the morning.

    High: 53 °F

    Chance Rain

  • Wednesday Night

    Wednesday Night: A slight chance of rain before 9pm, then a slight chance of rain after 2am. Mostly cloudy, with a low around 34. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain

  • Thursday

    Thursday: A chance of rain and snow before 9am, then a slight chance of rain between 9am and 10am. Mostly cloudy, with a high near 42. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance
    Rain/Snow and
    Breezy then
    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 25. North wind 5 to 10 mph.

    Low: 25 °F

    Decreasing
    Clouds

  • Friday

    Friday: Mostly sunny, with a high near 42. North wind 5 to 15 mph.

    High: 42 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. North wind around 5 mph becoming calm in the evening.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 45. North wind around 5 mph becoming calm in the afternoon.

    High: 45 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 4am. Mostly cloudy, with a low around 39. Calm wind.
Veterans Day
A 50 percent chance of rain, mainly before 1pm. Cloudy, with a high near 53. Calm wind becoming northeast around 5 mph in the morning.
Wednesday Night
A slight chance of rain before 9pm, then a slight chance of rain after 2am. Mostly cloudy, with a low around 34. North wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Thursday
A chance of rain and snow before 9am, then a slight chance of rain between 9am and 10am. Mostly cloudy, with a high near 42. Breezy, with a north wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 25. North wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 42. North wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 23. North wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 45. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 26.
Sunday
Sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 31.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Mostly sunny, with a high near 54.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson WI
 42.92°N 88.81°W (Elev. 784 ft)
Last Update:
11:31 pm CST Nov 10, 2026
Forecast Valid:
11pm CST Nov 10, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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