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

46°F

8°C

Humidity 62%
Wind Speed Calm
Barometer 29.92 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 30 Mar 6:45 am CDT
Extended Forecast for

Hartland WI

  • Today

    Today: Sunny, with a high near 74. South wind 5 to 10 mph.

    High: 74 °F

    Sunny

  • Tonight

    Tonight: A 30 percent chance of rain and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 49. East wind 5 to 10 mph becoming north after midnight.

    Low: 49 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of rain and thunderstorms before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. High near 66. Southeast wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 66 °F

    Chance
    T-storms then
    Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 32. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.

    Low: 32 °F

    Chance Rain

  • Wednesday

    Wednesday: A chance of snow after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 40. Northeast wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 40 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Rain and snow, becoming all rain after 4am. Low around 32. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

    Low: 32 °F

    Rain/Snow

  • Thursday

    Thursday: Rain. High near 48. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.

    High: 48 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am. Cloudy, with a low around 37. Northeast wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 37 °F

    Rain Likely

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 51.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Today
Sunny, with a high near 74. South wind 5 to 10 mph.
Tonight
A 30 percent chance of rain and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 49. East wind 5 to 10 mph becoming north after midnight.
Tuesday
A chance of rain and thunderstorms before 1pm, then rain and possibly a thunderstorm between 1pm and 4pm, then a chance of rain and thunderstorms after 4pm. High near 66. Southeast wind 5 to 15 mph becoming northwest in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tuesday Night
A chance of rain and thunderstorms before 7pm, then a slight chance of rain between 7pm and 1am. Mostly cloudy, with a low around 32. North wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
Wednesday
A chance of snow after 1pm, mixing with rain after 4pm. Mostly cloudy, with a high near 40. Northeast wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday Night
Rain and snow, becoming all rain after 4am. Low around 32. East wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.
Thursday
Rain. High near 48. Northeast wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between three quarters and one inch possible.
Thursday Night
Rain likely, mainly before 1am. Cloudy, with a low around 37. Northeast wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Friday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 51.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 36. Chance of precipitation is 60%.
Saturday
Rain likely. Cloudy, with a high near 54. Chance of precipitation is 60%.
Saturday Night
A chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 40%.
Sunday
A 30 percent chance of snow. Mostly cloudy, with a high near 46.
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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:
6:31 am CDT Mar 30, 2026
Forecast Valid:
7am CDT Mar 30, 2026-6pm CDT Apr 5, 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