National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Storm Systems to Impact the Central and Eastern U.S. Through the Weekend

Two storm systems will track through the central and eastern U.S. today through this weekend with areas of gusty winds, rain and heavy snow. Severe thunderstorms and heavy to excessive rainfall is forecast today from the Lower Mississippi River Valley to the Tennessee Valley. Damaging winds, a few tornadoes, and areas of flooding are possible. Read More >

Current conditions at

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Overcast

28°F

-2°C

Humidity 74%
Wind Speed NW 13 mph
Barometer 30.32 in
Dewpoint 21°F (-6°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 11 Jan 10:45 am CST
Extended Forecast for

Hartland WI

  • Today

    Today: Partly sunny, with a high near 31. West wind 10 to 15 mph.

    High: 31 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 26. Southwest wind around 10 mph.

    Low: 26 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 39. West wind 5 to 10 mph.

    High: 39 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 30. Southwest wind 5 to 10 mph.

    Low: 30 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 40 percent chance of rain, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 10 to 15 mph.

    High: 44 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: A chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 23. West wind 10 to 15 mph. Chance of precipitation is 30%.

    Low: 23 °F

    Mostly Cloudy
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: A 50 percent chance of snow. Mostly cloudy, with a high near 29. Blustery, with a north wind 15 to 20 mph, with gusts as high as 25 mph.

    High: 29 °F

    Chance Snow
    and Blustery

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12. North wind 5 to 15 mph.

    Low: 12 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon. Mostly sunny, with a high near 26.

    High: 26 °F

    Mostly Sunny
    then Slight
    Chance Snow

Detailed Forecast

Today
Partly sunny, with a high near 31. West wind 10 to 15 mph.
Tonight
Partly cloudy, with a low around 26. Southwest wind around 10 mph.
Monday
Mostly sunny, with a high near 39. West wind 5 to 10 mph.
Monday Night
Increasing clouds, with a low around 30. Southwest wind 5 to 10 mph.
Tuesday
A 40 percent chance of rain, mainly before noon. Cloudy, then gradually becoming mostly sunny, with a high near 44. West wind 10 to 15 mph.
Tuesday Night
A chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Mostly cloudy, with a low around 23. West wind 10 to 15 mph. Chance of precipitation is 30%.
Wednesday
A 50 percent chance of snow. Mostly cloudy, with a high near 29. Blustery, with a north wind 15 to 20 mph, with gusts as high as 25 mph.
Wednesday Night
Mostly cloudy, with a low around 12. North wind 5 to 15 mph.
Thursday
A 20 percent chance of snow after noon. Mostly sunny, with a high near 26.
Thursday Night
A 50 percent chance of snow. Mostly cloudy, with a low around 19.
Friday
A 50 percent chance of snow. Mostly cloudy, with a high near 30.
Friday Night
A 40 percent chance of snow. Mostly cloudy, with a low around 13.
Saturday
A 20 percent chance of snow. Partly sunny, with a high near 21.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hartland WI
 43.1°N 88.36°W (Elev. 1001 ft)
Last Update:
11:17 am CST Jan 11, 2026
Forecast Valid:
11am CST Jan 11, 2026-6pm CST Jan 17, 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