Unsettled Weather in the Eastern U.S. through Memorial Day

Showers and thunderstorms are expected from Texas to the Northeast through Tuesday. Heavy rain will create mainly localized areas of flash flooding across the central Gulf Coast into the Appalachians. Elevated to Critical fire weather conditions due to gusty winds and low humidity are expected through Tuesday across Oregon and Nevada. Showers and thunderstorms will develop over the Northwest. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Fair

61°F

16°C

Humidity 68%
Wind Speed S 5 mph
Barometer 30.05 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 26 May 5:45 am CDT
Extended Forecast for

4 Miles S Fort Atkinson WI

  • Today

    Today: Sunny, with a high near 87. Southwest wind around 5 mph.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon.  Chance of precipitation is 30%.

    High: 85 °F

    Mostly Sunny
    then Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of thunderstorms before 7pm.  Mostly clear, with a low around 52. Northeast wind around 10 mph.  Chance of precipitation is 30%.

    Low: 52 °F

    Chance
    T-storms then
    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 74. East wind around 10 mph.

    High: 74 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 48. East wind around 5 mph becoming calm  in the evening.

    Low: 48 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.

    High: 80 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 53. East wind around 5 mph becoming calm.

    Low: 53 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 87. Southwest wind around 5 mph.
Tonight
Partly cloudy, with a low around 59. Southwest wind around 5 mph becoming calm.
Wednesday
A slight chance of showers between noon and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 85. Calm wind becoming north around 5 mph in the afternoon. Chance of precipitation is 30%.
Wednesday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 52. Northeast wind around 10 mph. Chance of precipitation is 30%.
Thursday
Sunny, with a high near 74. East wind around 10 mph.
Thursday Night
Mostly clear, with a low around 48. East wind around 5 mph becoming calm in the evening.
Friday
Sunny, with a high near 80. Calm wind becoming northeast around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 53. East wind around 5 mph becoming calm.
Saturday
Sunny, with a high near 77.
Saturday Night
Mostly clear, with a low around 50.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 52.
Monday
Sunny, with a high near 79.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Fort Atkinson WI
 42.86°N 88.85°W (Elev. 899 ft)
4:33 am CDT May 26, 2026
6am CDT May 26, 2026-6pm CDT Jun 1, 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