Significant Coastal Impacts to the Eastern Seaboard; Tropical Storm Nolo to Impact Hawaii

A Nor'easter will bring significant coastal impacts to the Mid-Atlantic and New England through the weekend. Moderate to major coastal flooding, heavy rain, strong winds and high surf expected. Tropical Storm Nolo will continue to strengthen as it moves north toward the Big Island of Hawaii. Heavy rainfall may bring life-threatening, catastrophic flooding and mudslides through the weekend. Read More >

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

55°F

13°C

Humidity 100%
Wind Speed N 1 mph
Barometer 30.31 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 24 Sep 11:55 pm CDT
Extended Forecast for

Merton WI

  • Overnight

    Overnight: A 10 percent chance of showers after 5am.  Cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Slight Chance
    Showers

  • Friday

    Friday: A 10 percent chance of showers before 7am.  Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.

    High: 66 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 50. East wind around 5 mph becoming calm.

    Low: 50 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 67. Calm wind becoming east around 5 mph in the morning.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 49. East wind around 5 mph becoming calm.

    Low: 49 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 68. Calm wind.

    High: 68 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50. Calm wind.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 70. Calm wind.

    High: 70 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53.

    Low: 53 °F

    Partly Cloudy

Detailed Forecast

Overnight
A 10 percent chance of showers after 5am. Cloudy, with a low around 56. Calm wind.
Friday
A 10 percent chance of showers before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 66. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Mostly clear, with a low around 50. East wind around 5 mph becoming calm.
Saturday
Mostly sunny, with a high near 67. Calm wind becoming east around 5 mph in the morning.
Saturday Night
Partly cloudy, with a low around 49. East wind around 5 mph becoming calm.
Sunday
Mostly sunny, with a high near 68. Calm wind.
Sunday Night
Partly cloudy, with a low around 50. Calm wind.
Monday
Mostly sunny, with a high near 70. Calm wind.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 69.
Tuesday Night
Showers likely. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 67.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
Merton WI
 43.14°N 88.32°W (Elev. 958 ft)
11:41 pm CDT Sep 24, 2026
12am CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database