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 100%
Wind Speed S 6 mph
Barometer 29.83 in
Dewpoint 57°F (14°C)
Visibility 7.00 mi
Last update 6 Mar 2:45 pm CST
Extended Forecast for

Merton WI

  • This Afternoon

    This Afternoon: Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 4pm. Otherwise, cloudy, with a high near 60. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 60 °F

    Showers
    Likely and
    Patchy Fog

  • Tonight

    Tonight: Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 1am. Low around 54. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 54 °F

    Chance
    Showers then
    T-storms and
    Patchy Fog

  • Saturday

    Saturday: A 50 percent chance of showers before 11am. Patchy fog before 11am. Otherwise, cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.

    High: 56 °F⇓

    Chance
    Showers and
    Patchy Fog
    then Mostly
    Cloudy and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West wind 10 to 15 mph.

    Low: 33 °F

    Decreasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 59. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 59 °F

    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 46. Southwest wind around 15 mph, with gusts as high as 25 mph.

    Low: 46 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 67. West wind 5 to 15 mph.

    High: 67 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 37. West wind 5 to 10 mph becoming northeast after midnight.

    Low: 37 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 50 percent chance of rain after noon. Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny
    then Chance
    Rain

Detailed Forecast

This Afternoon
Showers likely and possibly a thunderstorm before 4pm, then a chance of showers and thunderstorms, mainly between 4pm and 5pm. Patchy fog before 4pm. Otherwise, cloudy, with a high near 60. South wind 10 to 15 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tonight
Showers and thunderstorms before 4am, then showers likely and possibly a thunderstorm between 4am and 5am, then a chance of showers and thunderstorms after 5am. Patchy fog after 1am. Low around 54. South wind 10 to 15 mph, with gusts as high as 30 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 before 11am. Otherwise, cloudy, with a temperature falling to around 43 by 5pm. Breezy, with a southwest wind 15 to 20 mph becoming west in the afternoon. Winds could gust as high as 30 mph.
Saturday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 33. West 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 30 mph.
Sunday Night
Partly cloudy, with a low around 46. Southwest wind around 15 mph, with gusts as high as 25 mph.
Monday
Sunny, with a high near 67. West wind 5 to 15 mph.
Monday Night
Mostly clear, with a low around 37. West wind 5 to 10 mph becoming northeast after midnight.
Tuesday
A 50 percent chance of rain after noon. Mostly sunny, with a high near 49.
Tuesday Night
Rain likely, mainly before midnight. Cloudy, with a low around 30. Chance of precipitation is 60%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 30%.
Wednesday Night
A 20 percent chance of snow. Mostly clear, with a low around 24.
Thursday
Mostly sunny, with a high near 46.
Thursday Night
A slight chance of rain and snow. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 54.
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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:
1:32 pm CST Mar 6, 2026
Forecast Valid:
3pm CST Mar 6, 2026-6pm CDT Mar 13, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation