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

64°F

18°C

Humidity 94%
Wind Speed S 6 mph
Barometer 29.78 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 12 Apr 6:45 pm CDT
Extended Forecast for

Hartland WI

  • Tonight

    Tonight: Showers and possibly a thunderstorm before midnight, then scattered showers between midnight and 1am. Low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

    Low: 60 °F

    Showers and
    Breezy then
    Scattered
    Showers

  • Monday

    Monday: A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 77. Southwest wind around 10 mph.

    High: 77 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 62. South wind around 10 mph becoming southwest after midnight.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind 10 to 15 mph. Chance of precipitation is 50%.

    High: 79 °F

    Slight Chance
    T-storms then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 54. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 1pm. High near 67. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 67 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 53. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 73. Southwest wind 5 to 10 mph.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before midnight, then scattered showers between midnight and 1am. Low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
Monday
A 20 percent chance of showers after 4pm. Mostly cloudy, with a high near 77. Southwest wind around 10 mph.
Monday Night
A 40 percent chance of showers and thunderstorms, mainly after 11pm. Mostly cloudy, with a low around 62. South wind around 10 mph becoming southwest after midnight.
Tuesday
A slight chance of showers and thunderstorms before 7am, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 79. Southwest wind 10 to 15 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 54. West wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 1pm. High near 67. Southeast wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 53. Southeast wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.
Thursday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 73. Southwest wind 5 to 10 mph.
Thursday Night
Mostly clear, with a low around 52.
Friday
A 30 percent chance of showers after 1pm. Partly sunny, with a high near 78.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 62.
Saturday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 33.
Sunday
A slight chance of rain and snow showers. Mostly sunny, with a high near 53. Chance of precipitation is 20%.
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ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
7:33 pm CDT Apr 12, 2026
Forecast Valid:
8pm CDT Apr 12, 2026-6pm CDT Apr 19, 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