Dangerous Heat in the Central and Eastern U.S.; Severe Thunderstorms in the Great Lakes

Thunderstorms with strong wind gusts and hail will be possible today from Michigan into the Lower Great Lakes region. A significant and dangerous heat wave will expand from the Central U.S. into the Eastern U.S this weekend through much of next week. Numerous daily record highs and warm lows are likely. Read More >

Current conditions at

Madison, Dane County Regional-Truax Field (KMSN)

Lat: 43.14°NLon: 89.35°WElev: 860ft.

Fair

78°F

26°C

Humidity 79%
Wind Speed SW 7 mph
Barometer 29.91 in (1012.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 22 Jun 5:53 am CDT
Extended Forecast for

4 Miles S Cottage Grove WI

Heat Advisory June 22, 05:59am until June 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 22, 05:59am until June 23, 07:00pm

    NOW until 7:00pm Mon

    Heat Advisory

  • Today

    High: 94 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Clear, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 75 °F

    Clear

  • Monday

    Monday: A slight chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm.  Sunny and hot, with a high near 92. Heat index values as high as 95. Southwest wind around 15 mph, with gusts as high as 25 mph.  Chance of precipitation is 30%.

    High: 92 °F

    Sunny then
    Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers, then showers likely and possibly a thunderstorm after 7pm.  Mostly cloudy, with a low around 70. Northwest wind 5 to 10 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 70 °F

    Showers
    Likely

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am.  Mostly cloudy, with a high near 82. North wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    High: 82 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am.  Low around 65. East wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.

    Low: 65 °F

    Chance
    T-storms then
    Showers

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm.  Mostly cloudy, with a high near 84. South wind 5 to 10 mph becoming southwest in the afternoon.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming northeast after midnight.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 67 °F

    Chance
    T-storms then
    Showers
    Likely

Detailed Forecast

Today
Sunny and hot, with a high near 94. Heat index values as high as 102. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Tonight
Clear, with a low around 75. Southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Monday
A slight chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Sunny and hot, with a high near 92. Heat index values as high as 95. Southwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Monday Night
A chance of showers, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 70. Northwest wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 10am, then showers likely and possibly a thunderstorm after 10am. Mostly cloudy, with a high near 82. North wind around 5 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 65. East wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a half and three quarters of an inch possible.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 84. South wind 5 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 67. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 83. Chance of precipitation is 70%.
Thursday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 66. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 83.
Friday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 85.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles S Cottage Grove WI
 43.02°N 89.19°W (Elev. 1004 ft)
4:08 am CDT Jun 22, 2025
5am CDT Jun 22, 2025-6pm CDT Jun 28, 2025
 
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