National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fog/Mist

73°F

23°C

Humidity 94%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 72°F (22°C)
Visibility 6.00 mi
Last update 30 Jul 5:45 am CDT
Extended Forecast for

Fort Atkinson WI

  • Today

    Today: Showers and possibly a thunderstorm. High near 74. Northeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.

    High: 74 °F

    Showers

  • Tonight

    Tonight: Showers and thunderstorms before 1am, then a chance of showers. Low around 59. Northeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 59 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: A 10 percent chance of showers before 7am. Patchy smoke after 1pm. Sunny, with a high near 75. Northeast wind around 10 mph.

    High: 75 °F

    Slight Chance
    Showers then
    Patchy Smoke

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 56. Northeast wind 5 to 10 mph.

    Low: 56 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 76. Northeast wind around 5 mph.

    High: 76 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

Detailed Forecast

Today
Showers and possibly a thunderstorm. High near 74. Northeast wind 5 to 10 mph. Chance of precipitation is 100%. New rainfall amounts between three quarters and one inch possible.
Tonight
Showers and thunderstorms before 1am, then a chance of showers. Low around 59. Northeast wind around 10 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 10 percent chance of showers before 7am. Patchy smoke after 1pm. Sunny, with a high near 75. Northeast wind around 10 mph.
Thursday Night
Mostly clear, with a low around 56. Northeast wind 5 to 10 mph.
Friday
Sunny, with a high near 76. Northeast wind around 5 mph.
Friday Night
Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Sunny, with a high near 79. Calm wind becoming southeast around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 56. Southeast wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Partly cloudy, with a low around 58.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 77.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 80.
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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:
6:45 am CDT Jul 30, 2025
Forecast Valid:
6am CDT Jul 30, 2025-6pm CDT Aug 5, 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