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

41°F

5°C

Humidity 81%
Wind Speed NE 6 mph
Barometer 30.05 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Wind Chill37°F (3°C)
Last update 4 Mar 9:35 pm CST
Extended Forecast for

Merton WI

  • Tonight

    Tonight: A 20 percent chance of rain after 1am. Patchy fog after 4am. Otherwise, cloudy, with a low around 38. Calm wind becoming northeast around 5 mph after midnight.

    Low: 38 °F

    Cloudy then
    Slight Chance
    Rain and
    Patchy Fog

  • Thursday

    Thursday: A 40 percent chance of rain, mainly before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 45. Northeast wind 5 to 10 mph.

    High: 45 °F

    Chance Rain
    and Patchy
    Fog

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 37. East wind around 5 mph.

    Low: 37 °F

    Mostly Cloudy

  • Friday

    Friday: Rain likely, then rain and possibly a thunderstorm after 9am. High near 63. Southeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    High: 63 °F

    Rain

  • Friday Night

    Friday Night: Rain and possibly a thunderstorm. Low around 46. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 46 °F

    Rain

  • Saturday

    Saturday: A 30 percent chance of rain before noon. Mostly cloudy, with a high near 55. Northwest wind 10 to 15 mph.

    High: 55 °F

    Chance Rain
    then Partly
    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 34. Southwest wind 5 to 10 mph.

    Low: 34 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 58. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.

    High: 58 °F

    Mostly Sunny
    and Breezy

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of rain after 1am. Patchy fog after 4am. Otherwise, cloudy, with a low around 38. Calm wind becoming northeast around 5 mph after midnight.
Thursday
A 40 percent chance of rain, mainly before noon. Patchy fog before noon. Otherwise, cloudy, with a high near 45. Northeast wind 5 to 10 mph.
Thursday Night
Mostly cloudy, with a low around 37. East wind around 5 mph.
Friday
Rain likely, then rain and possibly a thunderstorm after 9am. High near 63. Southeast wind 5 to 15 mph becoming south in the afternoon. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Friday Night
Rain and possibly a thunderstorm. Low around 46. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
A 30 percent chance of rain before noon. Mostly cloudy, with a high near 55. Northwest wind 10 to 15 mph.
Saturday Night
Mostly clear, with a low around 34. Southwest wind 5 to 10 mph.
Sunday
Mostly sunny, with a high near 58. Breezy, with a southwest wind 10 to 20 mph, with gusts as high as 30 mph.
Sunday Night
Mostly clear, with a low around 42.
Monday
Sunny, with a high near 67.
Monday Night
A 20 percent chance of rain. Mostly clear, with a low around 43.
Tuesday
Rain likely. Mostly cloudy, with a high near 57. Chance of precipitation is 70%.
Tuesday Night
Rain and snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.
Wednesday
A chance of rain and snow. Mostly cloudy, with a high near 41. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Merton WI
 43.14°N 88.32°W (Elev. 958 ft)
Last Update:
8:57 pm CST Mar 4, 2026
Forecast Valid:
9pm CST Mar 4, 2026-6pm CDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation