Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Mostly Cloudy

41°F

5°C

Humidity 53%
Wind Speed SW 9 mph
Barometer 29.83 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 26 Feb 4:45 pm CST
Extended Forecast for

5 Miles SW Fort Atkinson WI

  • Tonight

    Tonight: Mostly clear, with a low around 27. Southwest wind around 5 mph.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 58. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.

    High: 58 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 23. West wind 5 to 10 mph becoming northwest after midnight.

    Low: 23 °F

    Partly Cloudy

  • Saturday

    Saturday: Snow likely.  Cloudy, with a high near 28. North wind 5 to 10 mph.  Chance of precipitation is 60%. New snow accumulation of around an inch possible.

    High: 28 °F

    Snow Likely

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 11. North wind around 5 mph.

    Low: 11 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Mostly sunny, with a high near 30. North wind around 5 mph.

    High: 30 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: A 20 percent chance of snow before midnight.  Mostly cloudy, with a low around 14. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 14 °F

    Slight Chance
    Snow then
    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 36. Light and variable wind becoming southeast 5 to 10 mph in the morning.

    High: 36 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 21.

    Low: 21 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 27. Southwest wind around 5 mph.
Friday
Sunny, with a high near 58. Breezy, with a southwest wind 5 to 10 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 30 mph.
Friday Night
Partly cloudy, with a low around 23. West wind 5 to 10 mph becoming northwest after midnight.
Saturday
Snow likely. Cloudy, with a high near 28. North wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of around an inch possible.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 11. North wind around 5 mph.
Sunday
Mostly sunny, with a high near 30. North wind around 5 mph.
Sunday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 14. Northeast wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 36. Light and variable wind becoming southeast 5 to 10 mph in the morning.
Monday Night
Mostly cloudy, with a low around 21.
Tuesday
A chance of rain and snow, mainly after noon. Mostly cloudy, with a high near 41. Chance of precipitation is 30%.
Tuesday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 25. Chance of precipitation is 20%.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 48.
Wednesday Night
Rain likely. Cloudy, with a low around 33. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Mostly cloudy, with a high near 50.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Fort Atkinson WI
 42.88°N 88.9°W (Elev. 814 ft)
5:03 pm CST Feb 26, 2026
5pm CST Feb 26, 2026-6pm CST Mar 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database