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.

Mostly Cloudy

59°F

15°C

Humidity 88%
Wind Speed S 8 mph
Barometer 29.73 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Mar 12:55 am CST
Extended Forecast for

Merton WI

  • Overnight

    Overnight: Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Patchy fog between 2am and 4am. Low around 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 55 °F

    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A 50 percent chance of showers before 11am. Patchy fog between 9am and 10am. Otherwise, cloudy, with a temperature falling to around 40 by 5pm. Southwest wind around 15 mph becoming west in the morning. Winds could gust as high as 30 mph.

    High: 57 °F⇓

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 33. Southwest wind 10 to 15 mph.

    Low: 33 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 45. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 45 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 68. West wind 5 to 15 mph.

    High: 68 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 38. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 38 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of showers after noon. Increasing clouds, with a high near 51. Northeast wind 10 to 15 mph.

    High: 51 °F

    Sunny then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Rain likely before midnight, then rain and snow likely. Cloudy, with a low around 32. Chance of precipitation is 70%.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

Detailed Forecast

Overnight
Showers and possibly a thunderstorm, mainly before 4am, then a chance of showers and thunderstorms after 4am. Patchy fog between 2am and 4am. Low around 55. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 50 percent chance of showers before 11am. Patchy fog between 9am and 10am. Otherwise, cloudy, with a temperature falling to around 40 by 5pm. Southwest wind around 15 mph becoming west in the morning. Winds could gust as high as 30 mph.
Saturday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 33. Southwest wind 10 to 15 mph.
Sunday
Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph.
Sunday Night
Partly cloudy, with a low around 45. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 68. West wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 38. West wind 5 to 10 mph becoming northeast after midnight.
Tuesday
A 50 percent chance of showers after noon. Increasing clouds, with a high near 51. Northeast wind 10 to 15 mph.
Tuesday Night
Rain likely before midnight, then rain and snow likely. Cloudy, with a low around 32. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow before noon, then a chance of snow. Cloudy, with a high near 40. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of snow. Partly cloudy, with a low around 23.
Thursday
Partly sunny, with a high near 43.
Thursday Night
A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 49. Breezy. Chance of precipitation is 30%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merton WI
 43.16°N 88.29°W (Elev. 1004 ft)
Last Update:
12:22 am CST Mar 7, 2026
Forecast Valid:
1am CST Mar 7, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation