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

Manitowoc, Manitowoc County Airport (KMTW)

Lat: 44.13°NLon: 87.68°WElev: 650ft.

A Few Clouds

79°F

26°C

Humidity 77%
Wind Speed SE 13 mph
Barometer 29.67 in (1004.4 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 21 Jun 12:56 pm CDT
Extended Forecast for

5 Miles WSW Kewaunee 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: 90 °F

    Hot

  • Tonight

    Tonight: Partly cloudy, with a low around 75. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.

    Low: 75 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 92. Heat index values as high as 100. South southwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 92 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 77. South southwest wind around 14 mph, with gusts as high as 24 mph.

    Low: 77 °F

    Mostly Clear

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms after 1pm.  Sunny, with a high near 89. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.

    High: 89 °F

    Sunny then
    Chance
    T-storms

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms.  Mostly cloudy, with a high near 70.

    High: 70 °F

    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms.  Mostly cloudy, with a low around 56.

    Low: 56 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Mostly sunny and hot, with a high near 90. South southwest wind 18 to 21 mph, with gusts as high as 34 mph.
Tonight
Partly cloudy, with a low around 75. South southwest wind 10 to 17 mph, with gusts as high as 26 mph.
Sunday
Sunny and hot, with a high near 92. Heat index values as high as 100. South southwest wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 77. South southwest wind around 14 mph, with gusts as high as 24 mph.
Monday
A 40 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 89. Southwest wind 14 to 16 mph, with gusts as high as 24 mph.
Monday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 70.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Wednesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 69. Chance of precipitation is 70%.
Wednesday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 57. Chance of precipitation is 70%.
Thursday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 75. Chance of precipitation is 70%.
Thursday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles WSW Kewaunee WI
 44.43°N 87.6°W (Elev. 702 ft)
12:17 pm CDT Jun 21, 2025
1pm CDT Jun 21, 2025-6pm CDT Jun 27, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database