Thunderstorms and Heavy Rainfall from the Plains to the Mid-Atlantic

Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota from this afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding through Wednesday. Read More >

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Partly Cloudy

82°F

28°C

Humidity 48%
Wind Speed W 6 mph
Barometer 30.09 in
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 7 Jul 3:45 pm CDT
Extended Forecast for

Fort Atkinson WI

  • Tonight

    Tonight: Mostly clear, with a low around 64. West wind around 5 mph becoming calm.

    Low: 64 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 50 percent chance of showers and thunderstorms, mainly after 9pm.  Mostly cloudy, with a low around 67. Southwest wind around 5 mph.

    Low: 67 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Mostly cloudy, with a high near 82. Southwest wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 82 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers.  Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm.  Chance of precipitation is 50%.

    Low: 63 °F

    Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the morning.

    High: 82 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers and thunderstorms before 1am.  Partly cloudy, with a low around 61. East wind around 5 mph becoming calm  in the evening.

    Low: 61 °F

    Slight Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.

    High: 84 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 62.

    Low: 62 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 64. West wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 87. Southwest wind 5 to 10 mph.
Wednesday Night
A 50 percent chance of showers and thunderstorms, mainly after 9pm. Mostly cloudy, with a low around 67. Southwest wind around 5 mph.
Thursday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 82. Southwest wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 63. West wind around 5 mph becoming calm. Chance of precipitation is 50%.
Friday
Partly sunny, with a high near 82. Calm wind becoming east around 5 mph in the morning.
Friday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 61. East wind around 5 mph becoming calm in the evening.
Saturday
Mostly sunny, with a high near 84. Calm wind becoming east around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 62.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 64.
Monday
Sunny, with a high near 89.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Fort Atkinson WI
 42.92°N 88.84°W (Elev. 797 ft)
3:01 pm CDT Jul 7, 2026
4pm CDT Jul 7, 2026-6pm CDT Jul 14, 2026
 
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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