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.

Fair

77°F

25°C

Humidity 65%
Wind Speed NW 12 G 17 mph
Barometer 29.88 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 26 Aug 10:45 am CDT
Extended Forecast for

Hartland WI

  • Today

    Today: A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 81. West wind 10 to 15 mph. Chance of precipitation is 20%.

    High: 81 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: Mostly clear, with a low around 61. Northwest wind 5 to 10 mph.

    Low: 61 °F

    Mostly Clear

  • Thursday

    Thursday: Increasing clouds, with a high near 79. Northwest wind around 5 mph.

    High: 79 °F

    Increasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 57. Calm wind.

    Low: 57 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 79. Calm wind becoming south around 5 mph.

    High: 79 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.

    Low: 60 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 80. Light south wind increasing to 5 to 10 mph in the morning.

    High: 80 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 65. South wind around 10 mph.

    Low: 65 °F

    Chance
    Showers

  • Sunday

    Sunday: A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85.

    High: 85 °F

    Slight Chance
    T-storms

Detailed Forecast

Today
A slight chance of showers and thunderstorms between 1pm and 2pm. Mostly sunny, with a high near 81. West wind 10 to 15 mph. Chance of precipitation is 20%.
Tonight
Mostly clear, with a low around 61. Northwest wind 5 to 10 mph.
Thursday
Increasing clouds, with a high near 79. Northwest wind around 5 mph.
Thursday Night
Mostly clear, with a low around 57. Calm wind.
Friday
Sunny, with a high near 79. Calm wind becoming south around 5 mph.
Friday Night
Partly cloudy, with a low around 60. Southeast wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 80. Light south wind increasing to 5 to 10 mph in the morning.
Saturday Night
A 40 percent chance of showers, mainly after 1am. Mostly cloudy, with a low around 65. South wind around 10 mph.
Sunday
A 20 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 85.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69.
Monday
A 20 percent chance of showers. Partly sunny, with a high near 84.
Monday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
A 20 percent chance of showers. Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
8:36 am CDT Aug 26, 2026
Forecast Valid:
11am CDT Aug 26, 2026-6pm CDT Sep 1, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation