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

46°F

8°C

Humidity 34%
Wind Speed NW 15 G 23 mph
Barometer 30.15 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 19 Apr 5:45 pm CDT
Extended Forecast for

Waukesha WI

Flood Warning April 19, 06:16pm until April 22, 07:00am
Click here for hazard details and duration
Flood Warning
  •  
    Flood Warning April 19, 06:16pm until April 22, 07:00am

    NOW until 7:00am Wed

    Flood Warning

  • Tonight

    Low: 28 °F

    Partly Cloudy
    then Frost

  • Monday

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

    High: 51 °F

    Frost then
    Mostly 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 cloudy, then gradually becoming clear, with a low around 28. Northwest wind 5 to 10 mph becoming light and variable in the evening.
Monday
Widespread frost before 9am. Otherwise, sunny, with a high near 51. Light and variable wind becoming southwest 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
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ABOUT THIS FORECAST

 
Point Forecast:
Waukesha WI
 43.01°N 88.24°W (Elev. 922 ft)
Last Update:
2:32 pm CDT Apr 19, 2026
Forecast Valid:
6pm CDT Apr 19, 2026-6pm CDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation