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 29.98 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 11 Nov 1:15 am CST
Extended Forecast for

Fort Atkinson WI

  • Overnight

    Overnight: A 20 percent chance of rain after 4am. Cloudy, with a low around 40. Calm wind.

    Low: 40 °F

    Slight Chance
    Rain

  • Veterans Day

    Veterans Day: A 50 percent chance of rain, mainly before 1pm. Cloudy, with a high near 53. Light and variable wind becoming northeast 5 to 10 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. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.

    High: 42 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 25. North wind 5 to 10 mph.

    Low: 25 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 41. North wind 5 to 15 mph.

    High: 41 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. North wind around 5 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 44. North wind around 5 mph becoming calm in the afternoon.

    High: 44 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

Detailed Forecast

Overnight
A 20 percent chance of rain after 4am. Cloudy, with a low around 40. Calm wind.
Veterans Day
A 50 percent chance of rain, mainly before 1pm. Cloudy, with a high near 53. Light and variable wind becoming northeast 5 to 10 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. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 40%.
Thursday Night
Partly cloudy, with a low around 25. North wind 5 to 10 mph.
Friday
Mostly sunny, with a high near 41. North wind 5 to 15 mph.
Friday Night
Mostly clear, with a low around 23. North wind around 5 mph.
Saturday
Sunny, with a high near 44. North wind around 5 mph becoming calm in the afternoon.
Saturday Night
Mostly clear, with a low around 24.
Sunday
Sunny, with a high near 47.
Sunday Night
Partly cloudy, with a low around 26.
Monday
Mostly sunny, with a high near 49.
Monday Night
Partly cloudy, with a low around 28.
Tuesday
Sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson WI
 42.92°N 88.84°W (Elev. 797 ft)
Last Update:
12:21 am CST Nov 11, 2026
Forecast Valid:
1am CST Nov 11, 2026-6pm CST Nov 17, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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