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

57°F

14°C

Humidity 94%
Wind Speed S 7 mph
Barometer 29.94 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 12 Apr 7:45 am CDT
Extended Forecast for

Hartland WI

  • Today

    Today: Showers and thunderstorms, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. High near 71. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 71 °F

    Showers and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then a slight chance of showers. Patchy fog after 1am. Low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 60 °F

    Showers and
    Breezy then
    Chance
    Showers and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Southwest wind around 10 mph.

    High: 76 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 10 mph. Chance of precipitation is 50%.

    Low: 62 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southwest wind around 10 mph. Chance of precipitation is 50%.

    High: 78 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 53. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 53 °F

    Showers

  • Wednesday

    Wednesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 70 °F

    Chance
    Showers then
    Showers
    Likely

  • 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. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 53 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.

    High: 72 °F

    Chance
    Showers

Detailed Forecast

Today
Showers and thunderstorms, mainly before 2pm, then showers likely and possibly a thunderstorm after 5pm. High near 71. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then a slight chance of showers. Patchy fog after 1am. Low around 60. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 20 percent chance of showers and thunderstorms after 4pm. Mostly cloudy, with a high near 76. Southwest wind around 10 mph.
Monday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 62. South wind around 10 mph. Chance of precipitation is 50%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 78. Southwest wind around 10 mph. Chance of precipitation is 50%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 53. Southwest wind around 5 mph becoming northeast after midnight. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Wednesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 70. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
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. South wind 5 to 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A chance of showers and thunderstorms before 1pm, then a slight chance of showers. Partly sunny, with a high near 72. Chance of precipitation is 30%.
Thursday Night
Mostly clear, with a low around 51.
Friday
A 30 percent chance of showers. Mostly sunny, with a high near 77.
Friday Night
Showers and possibly a thunderstorm. Low around 50. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 62.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
7:56 am CDT Apr 12, 2026
Forecast Valid:
8am CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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