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.

Overcast

23°F

-5°C

Humidity 86%
Wind Speed S 8 mph
Barometer 30.00 in
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 18 Mar 5:15 am CDT
Extended Forecast for

Hartland WI

  • Overnight

    Overnight: Snow likely. Cloudy, with a low around 16. South wind around 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.

    Low: 16 °F

    Snow Likely

  • Wednesday

    Wednesday: A chance of snow and freezing rain before 7am. Mostly cloudy, with a high near 38. South wind around 10 mph. Chance of precipitation is 30%.

    High: 38 °F

    Chance Wintry
    Mix then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely, mainly after 3am. Mostly cloudy, with a low around 32. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 32 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 7am. Partly sunny, with a high near 44. South wind around 5 mph becoming north in the morning.

    High: 44 °F

    Chance Rain
    then Partly
    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 54. Southwest wind 5 to 10 mph.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36. Northwest wind around 5 mph.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 61. Southwest wind 5 to 10 mph.

    High: 61 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

Detailed Forecast

Overnight
Snow likely. Cloudy, with a low around 16. South wind around 10 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of less than a half inch possible.
Wednesday
A chance of snow and freezing rain before 7am. Mostly cloudy, with a high near 38. South wind around 10 mph. Chance of precipitation is 30%.
Wednesday Night
Rain likely, mainly after 3am. Mostly cloudy, with a low around 32. Southwest wind around 5 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
A 30 percent chance of rain, mainly before 7am. Partly sunny, with a high near 44. South wind around 5 mph becoming north in the morning.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind.
Friday
Mostly cloudy, with a high near 54. Southwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 36. Northwest wind around 5 mph.
Saturday
Mostly sunny, with a high near 61. Southwest wind 5 to 10 mph.
Saturday Night
A 30 percent chance of rain, mainly after 1am. Mostly cloudy, with a low around 37.
Sunday
A 20 percent chance of rain before 1pm. Mostly cloudy, with a high near 46.
Sunday Night
Partly cloudy, with a low around 25.
Monday
Partly sunny, with a high near 40.
Monday Night
Partly cloudy, with a low around 26.
Tuesday
Mostly cloudy, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
3:33 am CDT Mar 18, 2026
Forecast Valid:
5am CDT Mar 18, 2026-6pm CDT Mar 24, 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