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

Flooding Possible in the Southwest U.S.; Coastal Storm to Impact the East

Heavy to excessive rainfall is expected today into Wednesday over New Mexico into far west Texas. Flash flooding and debris flows in wildfire burn areas will be possible. A strong coastal storm will develop off the Mid-Atlantic coast Wednesday, intensifying toward southern New England this weekend. Significant coastal flooding, strong rip currents, and beach erosion from high surf expected. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

A Few Clouds

54°F

12°C

Humidity 88%
Wind Speed NE 7 mph
Barometer 30.34 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 22 Sep 9:15 pm CDT
Extended Forecast for

Pewaukee WI

  • Tonight

    Tonight: Mostly clear, with a low around 51. East wind around 5 mph.

    Low: 51 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 64. East wind 5 to 10 mph.

    High: 64 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm after midnight.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 64. Calm wind becoming east around 5 mph in the morning.

    High: 64 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 51. East wind around 5 mph becoming calm.

    Low: 51 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 65. Calm wind becoming east around 5 mph in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. East wind around 5 mph becoming calm.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 64. Calm wind becoming southeast around 5 mph in the morning.

    High: 64 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 51. East wind around 5 mph.
Wednesday
Mostly sunny, with a high near 64. East wind 5 to 10 mph.
Wednesday Night
Mostly clear, with a low around 50. Northeast wind around 5 mph becoming calm after midnight.
Thursday
Increasing clouds, with a high near 64. Calm wind becoming east around 5 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 51. East wind around 5 mph becoming calm.
Friday
Mostly sunny, with a high near 65. Calm wind becoming east around 5 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 48. East wind around 5 mph becoming calm.
Saturday
Partly sunny, with a high near 64. Calm wind becoming southeast around 5 mph in the morning.
Saturday Night
Mostly cloudy, with a low around 49.
Sunday
Mostly cloudy, with a high near 65.
Sunday Night
Mostly cloudy, with a low around 51.
Monday
Mostly sunny, with a high near 69.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
A 30 percent chance of showers. Partly sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pewaukee WI
 43.08°N 88.27°W (Elev. 850 ft)
Last Update:
9:06 pm CDT Sep 22, 2026
Forecast Valid:
9pm CDT Sep 22, 2026-6pm CDT Sep 29, 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