National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hurricane Isaias Approaching the Gulf Coast; Remnants of Rachel to Impact the Southwest U.S.

Hurricane Isaias is expected to make landfall along the U.S. northern Gulf Coast late Friday or early Saturday. A life-threatening storm surge is expected along the coast with damaging wind gusts extending well inland. Areas of heavy rainfall are forecast throughout much of the Southeast U.S. The remnants of Rachel will bring gusty winds and heavy rainfall to the Southwest U.S. this weekend. Read More >

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

52°F

11°C

Humidity 77%
Wind Speed Calm
Barometer 30.11 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 9 Oct 1:55 am CDT
Extended Forecast for

Sussex WI

  • Overnight

    Overnight: Mostly cloudy, with a low around 47. Calm wind.

    Low: 47 °F

    Mostly Cloudy

  • Friday

    Friday: A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 68. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.

    High: 68 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Friday Night

    Friday Night: A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 56. East wind around 5 mph.

    Low: 56 °F

    Chance
    Showers then
    Mostly Clear

  • Saturday

    Saturday: Increasing clouds, with a high near 80. South wind 5 to 15 mph.

    High: 80 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 56. South wind 5 to 10 mph.

    Low: 56 °F

    Mostly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 73. Calm wind becoming south around 5 mph.

    High: 73 °F

    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 78. Southwest wind 5 to 10 mph.

    High: 78 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.

    Low: 55 °F

    Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 47. Calm wind.
Friday
A 10 percent chance of showers after 5pm. Mostly sunny, with a high near 68. Light and variable wind becoming southeast 5 to 10 mph in the afternoon.
Friday Night
A 30 percent chance of showers before 7pm. Partly cloudy, with a low around 56. East wind around 5 mph.
Saturday
Increasing clouds, with a high near 80. South wind 5 to 15 mph.
Saturday Night
Mostly cloudy, with a low around 56. South wind 5 to 10 mph.
Sunday
Sunny, with a high near 73. Calm wind becoming south 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 78. Southwest wind 5 to 10 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 55. Chance of precipitation is 40%.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 48.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 63.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 66.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Sussex WI
 43.14°N 88.24°W (Elev. 951 ft)
Last Update:
1:21 am CDT Oct 9, 2026
Forecast Valid:
2am CDT Oct 9, 2026-6pm CDT Oct 15, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation