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

55°F

13°C

Humidity 88%
Wind Speed S 3 mph
Barometer 29.67 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 14 Nov 11:55 pm CST
Extended Forecast for

4 Miles S Fort Atkinson WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 53. Southwest wind 10 to 15 mph.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Cloudy through mid morning, then gradual clearing, with a high near 65. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.

    High: 65 °F

    Gradual
    Clearing

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 30. Northwest wind 10 to 15 mph.

    Low: 30 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 46. Northwest wind 10 to 15 mph.

    High: 46 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Northwest wind around 5 mph becoming calm after midnight.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 44. Calm wind becoming northwest around 5 mph.

    High: 44 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 50 percent chance of rain. Mostly cloudy, with a low around 30. East wind 5 to 10 mph.

    Low: 30 °F

    Chance Rain

  • Tuesday

    Tuesday: A 30 percent chance of rain before noon. Partly sunny, with a high near 42. East wind around 10 mph.

    High: 42 °F

    Chance Rain
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 27.

    Low: 27 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 53. Southwest wind 10 to 15 mph.
Saturday
Cloudy through mid morning, then gradual clearing, with a high near 65. Southwest wind around 15 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly clear, with a low around 30. Northwest wind 10 to 15 mph.
Sunday
Sunny, with a high near 46. Northwest wind 10 to 15 mph.
Sunday Night
Mostly clear, with a low around 24. Northwest wind around 5 mph becoming calm after midnight.
Monday
Mostly sunny, with a high near 44. Calm wind becoming northwest around 5 mph.
Monday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 30. East wind 5 to 10 mph.
Tuesday
A 30 percent chance of rain before noon. Partly sunny, with a high near 42. East wind around 10 mph.
Tuesday Night
Mostly cloudy, with a low around 27.
Wednesday
Partly sunny, with a high near 46.
Wednesday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 34.
Thursday
Rain likely. Mostly cloudy, with a high near 48. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 34.
Friday
A 30 percent chance of rain. Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Fort Atkinson WI
 42.86°N 88.85°W (Elev. 899 ft)
Last Update:
11:53 pm CST Nov 14, 2025
Forecast Valid:
12am CST Nov 15, 2025-6pm CST Nov 21, 2025
 
Forecast Discussion
 
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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