Areas of Severe Thunderstorms, Excessive Rainfall, and Extreme Heat Tuesday

In the Northern Plains into the Upper Great Lakes and Mid-Atlantic, heavy to excessive rain may bring flash and urban flooding Tuesday. Severe thunderstorms producing damaging winds are most likely over parts of the Dakotas into Minnesota Tuesday afternoon into the overnight, with other isolated storms producing hail or wind over the northern High Plains. Extreme heat returns to the southwest U.S. Read More >

Hazardous Weather Conditions

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Fair

75°F

24°C

Humidity 41%
Wind Speed Calm
Barometer 32.05 in
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 7 Jul 12:15 am CDT
Extended Forecast for

Hartland WI

  • Overnight

    Overnight: Clear, with a low around 57. Calm wind.

    Low: 57 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. Calm wind becoming north around 5 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. South wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am.  Mostly cloudy, with a low around 66. Southwest wind around 5 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 66 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1pm.  High near 83. West wind around 5 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    T-storms then
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm  in the evening.  Chance of precipitation is 40%.

    Low: 61 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers.  Partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the morning.

    High: 81 °F

    Slight Chance
    Showers

  • Friday Night

    Friday Night: A 20 percent chance of showers after 1am.  Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Overnight
Clear, with a low around 57. Calm wind.
Tuesday
Sunny, with a high near 85. Calm wind becoming north around 5 mph.
Tuesday Night
Mostly clear, with a low around 62. South wind around 5 mph becoming calm.
Wednesday
Mostly sunny, with a high near 86. Light southwest wind increasing to 5 to 10 mph in the morning.
Wednesday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 66. Southwest wind around 5 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, then showers and possibly a thunderstorm after 1pm. High near 83. West wind around 5 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Northwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers. Partly sunny, with a high near 81. Calm wind becoming northeast around 5 mph in the morning.
Friday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 60.
Saturday
Mostly sunny, with a high near 83.
Saturday Night
Partly cloudy, with a low around 62.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 89.
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ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
11:52 pm CDT Jul 6, 2026
12am CDT Jul 7, 2026-6pm CDT Jul 13, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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