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

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Partly Cloudy

36°F

2°C

Humidity 81%
Wind Speed Calm
Barometer 30.25 in
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Last update 19 Apr 10:35 pm CDT
Extended Forecast for

Waukesha WI

Flood Warning April 19, 10:59pm until April 22, 07:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning April 19, 10:59pm until April 22, 07:00am

    NOW until 7:00am Wed

    Flood Warning

  • Tonight

    Low: 25 °F

    Partly Cloudy
    then Frost

  • Monday

    Monday: Widespread frost before 9am. Otherwise, sunny, with a high near 51. Light southeast wind becoming south 5 to 10 mph in the afternoon.

    High: 51 °F

    Frost then
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 40. South wind 5 to 10 mph.

    Low: 40 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 70. West wind 5 to 10 mph.

    High: 70 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.

    Low: 43 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 68. Northeast wind around 5 mph becoming southeast in the afternoon.

    High: 68 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 50. South wind around 5 mph.

    Low: 50 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 30 mph.

    High: 78 °F

    Mostly Sunny

Detailed Forecast

Tonight
Widespread frost after 1am. Otherwise, mostly clear, with a low around 25. North wind around 5 mph becoming calm in the evening.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 51. Light southeast wind becoming south 5 to 10 mph in the afternoon.
Monday Night
Mostly cloudy, with a low around 40. South wind 5 to 10 mph.
Tuesday
Mostly sunny, with a high near 70. West wind 5 to 10 mph.
Tuesday Night
Mostly clear, with a low around 43. West wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 68. Northeast wind around 5 mph becoming southeast in the afternoon.
Wednesday Night
Mostly clear, with a low around 50. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 78. South wind 10 to 15 mph, with gusts as high as 30 mph.
Thursday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 69.
Friday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 44.
Saturday
A 20 percent chance of showers. Partly sunny, with a high near 61.
Saturday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 41.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Waukesha WI
 43.01°N 88.24°W (Elev. 922 ft)
Last Update:
8:37 pm CDT Apr 19, 2026
Forecast Valid:
10pm CDT Apr 19, 2026-6pm CDT Apr 26, 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