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

Eagle River Union Airport (KEGV)

Lat: 45.93°NLon: 89.27°WElev: 1637ft.

Mostly Cloudy

85°F

29°C

Humidity 60%
Wind Speed SW 16 G 23 mph
Barometer 29.65 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 21 Jun 3:15 pm CDT
Extended Forecast for

Argonne WI

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

    NOW until 7:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 88 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 74. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 91. South southwest wind 9 to 14 mph, with gusts as high as 28 mph.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 75. South southwest wind around 11 mph, with gusts as high as 25 mph.

    Low: 75 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 87. Southwest wind around 11 mph, with gusts as high as 26 mph.  Chance of precipitation is 60%.

    High: 87 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 59. Chance of precipitation is 40%.

    Low: 59 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm.  Mostly cloudy, with a high near 76. Chance of precipitation is 30%.

    High: 76 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers.  Mostly cloudy, with a low around 55.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Partly sunny, with a high near 88. Southwest wind around 16 mph, with gusts as high as 30 mph.
Tonight
Partly cloudy, with a low around 74. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny and hot, with a high near 91. South southwest wind 9 to 14 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 75. South southwest wind around 11 mph, with gusts as high as 25 mph.
Monday
A slight chance of showers before 10am, then a slight chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Southwest wind around 11 mph, with gusts as high as 26 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 59. Chance of precipitation is 40%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 76. Chance of precipitation is 30%.
Tuesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 55.
Wednesday
Showers likely, with thunderstorms also possible after 1pm. Cloudy, with a high near 69. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 55. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 55.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 71.
Friday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 77.
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ABOUT THIS FORECAST

 
Point Forecast:
Argonne WI
 45.65°N 88.88°W (Elev. 1604 ft)
3:06 pm CDT Jun 21, 2025
3pm CDT Jun 21, 2025-6pm CDT Jun 28, 2025
 
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Additional Resources

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