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

Marshfield, Marshfield Municipal Airport (KMFI)

Lat: 44.64°NLon: 90.19°WElev: 1276ft.

Overcast

79°F

26°C

Humidity 82%
Wind Speed S 8 mph
Barometer 29.69 in (1004.5 mb)
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Jun 8:54 am CDT
Extended Forecast for

Unity WI

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

    Today: A 20 percent chance of showers and thunderstorms before 10am.  Partly sunny, with a high near 89. South southwest wind 17 to 20 mph, with gusts as high as 32 mph.

    High: 89 °F

    Slight Chance
    T-storms then
    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 77. South southwest wind 11 to 14 mph, with gusts as high as 29 mph.

    Low: 77 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 91. Heat index values as high as 101. South southwest wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 91 °F

    Hot

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms after 1am.  Mostly clear, with a low around 76. South southwest wind around 14 mph, with gusts as high as 26 mph.

    Low: 76 °F

    Mostly Clear
    then Slight
    Chance
    T-storms

  • Monday

    Monday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm.  Increasing clouds, with a high near 83. West southwest wind 11 to 14 mph, with gusts as high as 24 mph.  Chance of precipitation is 70%.

    High: 83 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 62.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 71.

    High: 71 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Cloudy, with a low around 59. Chance of precipitation is 70%.

    Low: 59 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm.  High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Showers

Detailed Forecast

Today
A 20 percent chance of showers and thunderstorms before 10am. Partly sunny, with a high near 89. South southwest wind 17 to 20 mph, with gusts as high as 32 mph.
Tonight
Partly cloudy, with a low around 77. South southwest wind 11 to 14 mph, with gusts as high as 29 mph.
Sunday
Sunny and hot, with a high near 91. Heat index values as high as 101. South southwest wind 14 to 18 mph, with gusts as high as 30 mph.
Sunday Night
A 20 percent chance of showers and thunderstorms after 1am. Mostly clear, with a low around 76. South southwest wind around 14 mph, with gusts as high as 26 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Increasing clouds, with a high near 83. West southwest wind 11 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Tuesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 71.
Tuesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 60. Chance of precipitation is 80%.
Thursday
Showers and possibly a thunderstorm. High near 74. Chance of precipitation is 80%.
Thursday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 57.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
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ABOUT THIS FORECAST

 
Point Forecast:
Unity WI
 44.84°N 90.29°W (Elev. 1348 ft)
6:36 am CDT Jun 21, 2025
9am CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
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Additional Resources

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