Extreme Heat Across the Southern U.S.; Flash Flooding Threats in the Mid-Atlantic, Northeast, and Four Corners Region

Dangerous and extreme heat will remain across portions of the southern U.S. this week. Heavy rainfall may bring significant flash flooding across portions of the Mid-Atlantic and Northeast through the night, and additional flash flooding concerns across New England on Wednesday. Monsoonal thunderstorms will bring a flash flood risk to the Four Corners region, especially in burn scar areas Read More >

Current conditions at

Sheboygan County Memorial Airport (KSBM)

Lat: 43.77°NLon: 87.85°WElev: 738ft.

Fair

59°F

15°C

Humidity 93%
Wind Speed NW 3 mph
Barometer 29.97 in (1014.6 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 28 Jul 11:53 pm CDT
Extended Forecast for

Plymouth WI

  • Overnight

    Overnight: Mostly clear, with a low around 58. Calm wind becoming north around 5 mph.

    Low: 58 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 82. Northwest wind around 5 mph becoming east in the afternoon.

    High: 82 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 62. Southeast wind around 5 mph becoming west after midnight.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 88. West wind around 5 mph.

    High: 88 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 66. Southwest wind around 5 mph.

    Low: 66 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm.  Cloudy, with a high near 79. Southwest wind 5 to 10 mph becoming southeast 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: 79 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm.  Cloudy, with a low around 65. Southeast wind around 5 mph becoming northeast after midnight.  Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 65 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm.  Mostly cloudy, with a high near 79. Northeast wind 5 to 10 mph.  Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 58. Calm wind becoming north around 5 mph.
Wednesday
Sunny, with a high near 82. Northwest wind around 5 mph becoming east in the afternoon.
Wednesday Night
Mostly clear, with a low around 62. Southeast wind around 5 mph becoming west after midnight.
Thursday
Increasing clouds, with a high near 88. West wind around 5 mph.
Thursday Night
Mostly cloudy, with a low around 66. Southwest wind around 5 mph.
Friday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Cloudy, with a high near 79. Southwest wind 5 to 10 mph becoming southeast 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.
Friday Night
Showers likely and possibly a thunderstorm. Cloudy, with a low around 65. Southeast wind around 5 mph becoming northeast after midnight. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Northeast wind 5 to 10 mph. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 79.
Sunday Night
Mostly clear, with a low around 60.
Monday
Sunny, with a high near 83.
Monday Night
Mostly clear, with a low around 63.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 88.
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ABOUT THIS FORECAST

 
Point Forecast:
Plymouth WI
 43.76°N 87.98°W (Elev. 863 ft)
11:56 pm CDT Jul 28, 2026
12am CDT Jul 29, 2026-6pm CDT Aug 4, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database