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

Strong to Severe Thunderstorms in the East; Heat in the Central and Western U.S.

Strong to potentially severe thunderstorms with damaging wind gusts are forecast Thursday from parts of New England into the Mid Atlantic and Carolinas. Significant heat will expand across the West and Central Plains through Friday, potentially breaking daily high temperature records. Dangerous heat will then build into the Eastern U.S. this weekend through much of next week. Read More >

Hazardous Weather Conditions

Current conditions at

Janesville-Rock County (KJVL)

Lat: 42.62°NLon: 89.04°WElev: 801ft.

Overcast

64°F

18°C

Humidity 94%
Wind Speed W 7 mph
Barometer 29.86 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 19 Jun 6:45 am CDT
Extended Forecast for

5 Miles SW Fort Atkinson WI

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 83. West wind 5 to 10 mph.

    High: 83 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 63. West wind around 5 mph becoming south after midnight.

    Low: 63 °F

    Mostly Clear

  • Friday

    Friday: Showers likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. South wind around 15 mph.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 92. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.

    High: 92 °F

    Hot and
    Breezy

  • Saturday Night

    Saturday Night: Clear, with a low around 77. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.

    Low: 77 °F

    Clear and
    Breezy then
    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 93. Southwest wind around 15 mph, with gusts as high as 25 mph.

    High: 93 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 76. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 76 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 92.

    High: 92 °F

    Sunny then
    Chance
    Showers

Detailed Forecast

Juneteenth
Mostly sunny, with a high near 83. West wind 5 to 10 mph.
Tonight
Mostly clear, with a low around 63. West wind around 5 mph becoming south after midnight.
Friday
Showers likely before 1pm, then a slight chance of showers and thunderstorms between 1pm and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 83. Southwest wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Mostly clear, with a low around 72. South wind around 15 mph.
Saturday
Sunny and hot, with a high near 92. Breezy, with a southwest wind around 20 mph, with gusts as high as 30 mph.
Saturday Night
Clear, with a low around 77. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 25 mph.
Sunday
Sunny and hot, with a high near 93. Southwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 76. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Sunny and hot, with a high near 92.
Monday Night
A 50 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 87. Chance of precipitation is 60%.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Wednesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 82. Chance of precipitation is 70%.
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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:
6:08 am CDT Jun 19, 2025
Forecast Valid:
7am CDT Jun 19, 2025-6pm CDT Jun 25, 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