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.

Fair

67°F

19°C

Humidity 100%
Wind Speed Calm
Barometer 29.64 in
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 21 Jun 8:15 am CDT
Extended Forecast for

Argonne WI

Heat Advisory June 21, 12:00pm until June 23, 07:00pm
Click here for hazard details and duration
Heat Advisory
  • Today

    Today: A 30 percent chance of showers and thunderstorms, mainly before 10am.  Cloudy, then gradually becoming mostly sunny, with a high near 88. South southwest wind 13 to 17 mph, with gusts as high as 32 mph.

    High: 88 °F

    Chance
    T-storms then
    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: 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 chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm.  Mostly sunny, with a high near 83. Southwest wind around 11 mph, with gusts as high as 24 mph.  Chance of precipitation is 60%.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 60. Chance of precipitation is 30%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 72. Chance of precipitation is 20%.

    High: 72 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm.  Cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

Detailed Forecast

Today
A 30 percent chance of showers and thunderstorms, mainly before 10am. Cloudy, then gradually becoming mostly sunny, with a high near 88. South southwest wind 13 to 17 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a low around 74. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.
Sunday
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 chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 83. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 30%.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Chance of precipitation is 20%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 54.
Wednesday
Showers likely and possibly a thunderstorm. Cloudy, with a high near 65. Chance of precipitation is 70%.
Wednesday Night
Showers likely. Cloudy, with a low around 54. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 52.
Friday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 71.
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ABOUT THIS FORECAST

 
Point Forecast:
Argonne WI
 45.65°N 88.88°W (Elev. 1604 ft)
6:36 am CDT Jun 21, 2025
8am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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Additional Resources

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