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

48°F

9°C

Humidity 54%
Wind Speed E 6 mph
Barometer 30.16 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 9 Apr 7:45 pm CDT
Extended Forecast for

Hartland WI

  • Tonight

    Tonight: Showers. Low around 40. North wind around 5 mph becoming east in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    Low: 40 °F

    Showers

  • Friday

    Friday: Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    High: 49 °F

    Showers
    Likely then
    Partly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 32. Northeast wind around 5 mph becoming south after midnight.

    Low: 32 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 53. Southeast wind 5 to 10 mph.

    High: 53 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 43 °F

    Showers
    Likely

  • Sunday

    Sunday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    Low: 60 °F

    Chance
    Showers and
    Breezy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.

    High: 77 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.

    Low: 59 °F

    Showers
    Likely

Detailed Forecast

Tonight
Showers. Low around 40. North wind around 5 mph becoming east in the evening. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Friday
Showers likely, mainly before 7am. Cloudy, then gradually becoming mostly sunny, with a high near 49. Northwest wind 5 to 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Mostly clear, with a low around 32. Northeast wind around 5 mph becoming south after midnight.
Saturday
Mostly sunny, with a high near 53. Southeast wind 5 to 10 mph.
Saturday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 43. Southeast wind 5 to 10 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 50%.
Sunday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Southwest wind 10 to 15 mph. Chance of precipitation is 30%.
Monday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 59. Chance of precipitation is 60%.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 75. Chance of precipitation is 60%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 53. Chance of precipitation is 80%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 66.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 47.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 71.
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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:
7:34 pm CDT Apr 9, 2026
Forecast Valid:
7pm CDT Apr 9, 2026-6pm CDT Apr 16, 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