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 67%
Wind Speed SW 5 mph
Barometer 29.80 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 25 Mar 9:55 pm CDT
Extended Forecast for

5 Miles SW Fort Atkinson WI

  • Tonight

    Tonight: Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph.

    Low: 46 °F

    Partly Cloudy

  • Thursday

    Thursday: Showers, mainly after 1pm. High near 63. Northeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 63 °F

    Partly Sunny
    then Showers

  • Thursday Night

    Thursday Night: A chance of showers before 7pm, then a slight chance of rain between 7pm and 10pm. Mostly cloudy, with a low around 24. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Low: 24 °F

    Chance
    Showers then
    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 43. North wind around 10 mph.

    High: 43 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 23. Northwest wind 5 to 10 mph.

    Low: 23 °F

    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 50. Light west wind increasing to 5 to 10 mph in the morning.

    High: 50 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 35. South wind 5 to 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 59. South wind 10 to 15 mph.

    High: 59 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 44.

    Low: 44 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 46. Southwest wind 5 to 10 mph.
Thursday
Showers, mainly after 1pm. High near 63. Northeast wind 5 to 10 mph increasing to 10 to 15 mph in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New precipitation amounts between a tenth and quarter of an inch possible.
Thursday Night
A chance of showers before 7pm, then a slight chance of rain between 7pm and 10pm. Mostly cloudy, with a low around 24. North wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 43. North wind around 10 mph.
Friday Night
Mostly clear, with a low around 23. Northwest wind 5 to 10 mph.
Saturday
Increasing clouds, with a high near 50. Light west wind increasing to 5 to 10 mph in the morning.
Saturday Night
Partly cloudy, with a low around 35. South wind 5 to 10 mph.
Sunday
Partly sunny, with a high near 59. South wind 10 to 15 mph.
Sunday Night
Partly cloudy, with a low around 44.
Monday
Mostly sunny, with a high near 65.
Monday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 42.
Tuesday
A 40 percent chance of rain. Mostly cloudy, with a high near 64.
Tuesday Night
A 50 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 49.
Wednesday
A 40 percent chance of rain. Mostly cloudy, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SW Fort Atkinson WI
 42.88°N 88.9°W (Elev. 814 ft)
Last Update:
9:21 pm CDT Mar 25, 2026
Forecast Valid:
10pm CDT Mar 25, 2026-6pm CDT Apr 1, 2026
 
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