Isaias Expected To Be A Strong Hurricane Approaching The Northern Gulf Coast Friday

Isaias is expected to strengthen and be a strong hurricane when it approaches the northern Gulf Coast on Friday. Damaging hurricane-force winds and life-threatening storm surge impacts are expected Friday into Saturday. Isaias will bring heavy rainfall to the northern Gulf Coast and much of the Southeast U.S. Friday into the weekend. Read More >

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

50°F

10°C

Humidity 76%
Wind Speed W 3 mph
Barometer 29.97 in
Dewpoint 43°F (6°C)
Visibility 10.00 mi
Last update 8 Oct 3:55 am CDT
Extended Forecast for

Merton WI

  • Today

    Today: Sunny, with a high near 66. West wind 5 to 10 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 48. West wind around 5 mph becoming calm.

    Low: 48 °F

    Partly Cloudy

  • Friday

    Friday: A chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm.  Partly sunny, with a high near 68. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.  Chance of precipitation is 40%.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming clear, with a low around 57. Southeast wind around 5 mph.

    Low: 57 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 80. South wind 10 to 15 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59. South wind 5 to 10 mph.

    Low: 59 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 73. South wind around 5 mph.

    High: 73 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 55. South wind around 5 mph becoming calm.

    Low: 55 °F

    Partly Cloudy

  • Columbus Day

    Columbus Day: Partly sunny, with a high near 74.

    High: 74 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 66. West wind 5 to 10 mph.
Tonight
Partly cloudy, with a low around 48. West wind around 5 mph becoming calm.
Friday
A chance of showers between 2pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 68. Light and variable wind becoming southeast 5 to 10 mph in the afternoon. Chance of precipitation is 40%.
Friday Night
Mostly cloudy, then gradually becoming clear, with a low around 57. Southeast wind around 5 mph.
Saturday
Sunny, with a high near 80. South wind 10 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 59. South wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 73. South wind around 5 mph.
Sunday Night
Partly cloudy, with a low around 55. South wind around 5 mph becoming calm.
Columbus Day
Partly sunny, with a high near 74.
Monday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 51.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Mostly sunny, with a high near 60.
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ABOUT THIS FORECAST

 
Point Forecast:
Merton WI
 43.14°N 88.29°W (Elev. 1010 ft)
2:36 am CDT Oct 8, 2026
4am CDT Oct 8, 2026-6pm CDT Oct 14, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database