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

Waukesha County Airport (KUES)

Lat: 43.04°NLon: 88.25°WElev: 886ft.

Overcast

30°F

-1°C

Humidity 80%
Wind Speed W 17 G 32 mph
Barometer 29.76 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill18°F (-8°C)
Last update 20 Feb 5:45 pm CST
Extended Forecast for

Merton WI

  • Tonight

    Tonight: Mostly cloudy, with a low around 25. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.

    Low: 25 °F

    Mostly Cloudy
    and Breezy
    then Mostly
    Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34. Northwest wind around 10 mph.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A chance of snow between 9pm and 1am, then a chance of snow showers after 1am. Cloudy, with a low around 22. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.

    Low: 22 °F

    Chance Snow

  • Sunday

    Sunday: A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 28. Northwest wind around 15 mph, with gusts as high as 25 mph.

    High: 28 °F

    Slight Chance
    Snow Showers
    then Mostly
    Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 17. North wind around 15 mph.

    Low: 17 °F

    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 27. North wind 5 to 15 mph.

    High: 27 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 18. North wind around 5 mph becoming calm.

    Low: 18 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of snow. Partly sunny, with a high near 35. Southwest wind 5 to 15 mph.

    High: 35 °F

    Slight Chance
    Snow

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 25.

    Low: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Tonight
Mostly cloudy, with a low around 25. Breezy, with a west wind 10 to 20 mph, with gusts as high as 30 mph.
Saturday
Partly sunny, with a high near 34. Northwest wind around 10 mph.
Saturday Night
A chance of snow between 9pm and 1am, then a chance of snow showers after 1am. Cloudy, with a low around 22. Northwest wind 10 to 15 mph. Chance of precipitation is 40%.
Sunday
A 20 percent chance of snow showers before noon. Mostly cloudy, with a high near 28. Northwest wind around 15 mph, with gusts as high as 25 mph.
Sunday Night
Mostly cloudy, with a low around 17. North wind around 15 mph.
Monday
Partly sunny, with a high near 27. North wind 5 to 15 mph.
Monday Night
Mostly cloudy, with a low around 18. North wind around 5 mph becoming calm.
Tuesday
A 20 percent chance of snow. Partly sunny, with a high near 35. Southwest wind 5 to 15 mph.
Tuesday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 25.
Wednesday
A chance of rain and snow, mainly after noon. Partly sunny, with a high near 39. Chance of precipitation is 30%.
Wednesday Night
A slight chance of rain and snow. Partly cloudy, with a low around 21. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 36.
Thursday Night
Partly cloudy, with a low around 23.
Friday
Mostly sunny, with a high near 48.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Merton WI
 43.14°N 88.32°W (Elev. 958 ft)
Last Update:
6:35 pm CST Feb 20, 2026
Forecast Valid:
6pm CST Feb 20, 2026-6pm CST Feb 27, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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