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Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

63°F

17°C

Humidity 94%
Wind Speed W 7 mph
Barometer 29.34 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 17 Jun 8:45 pm CDT
Extended Forecast for

Fort Atkinson WI

Tornado Watch June 17, 08:48pm until June 17, 09:00pm
Click here for hazard details and duration
...
  •  
    Tornado Watch June 17, 08:48pm until June 17, 09:00pm

    NOW until 9:00pm Wed

    Tornado Watch

  • Tonight

    Low: 55 °F

    Scattered
    T-storms then
    Scattered
    Showers

  • Thursday

    Thursday: A 10 percent chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. Northwest wind 10 to 15 mph.

    High: 72 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 51. West wind 5 to 10 mph. Chance of precipitation is 20%.

    Low: 51 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Juneteenth

    Juneteenth: Sunny, with a high near 74. Northwest wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 77. Light west wind increasing to 5 to 10 mph in the morning.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.

    Low: 55 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.

    High: 72 °F

    Showers
    Likely

Detailed Forecast

Tonight
Scattered showers and thunderstorms. Mostly cloudy, with a low around 55. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Thursday
A 10 percent chance of showers and thunderstorms after 5pm. Cloudy, then gradually becoming mostly sunny, with a high near 72. Northwest wind 10 to 15 mph.
Thursday Night
A slight chance of showers and thunderstorms before 7pm, then a slight chance of showers between 7pm and 8pm. Mostly clear, with a low around 51. West wind 5 to 10 mph. Chance of precipitation is 20%.
Juneteenth
Sunny, with a high near 74. Northwest wind 5 to 10 mph.
Friday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Mostly clear, with a low around 54. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 77. Light west wind increasing to 5 to 10 mph in the morning.
Saturday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 55. Northwest wind around 5 mph becoming calm in the evening.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 72. East wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a quarter and half of an inch possible.
Sunday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Monday
Mostly sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 77.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 55.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson WI
 42.92°N 88.84°W (Elev. 797 ft)
Last Update:
8:37 pm CDT Jun 17, 2026
Forecast Valid:
8pm CDT Jun 17, 2026-6pm CDT Jun 24, 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