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

36°F

2°C

Humidity 70%
Wind Speed W 9 mph
Barometer 29.98 in
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill29°F (-2°C)
Last update 18 Mar 4:45 pm CDT
Extended Forecast for

Merton WI

  • Tonight

    Tonight: Rain or freezing rain likely before 4am, then a chance of rain. Increasing clouds, with a low around 29. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.

    Low: 29 °F

    Slight Chance
    Freezing Rain
    then
    Rain/Freezing
    Rain Likely

  • Thursday

    Thursday: A 30 percent chance of rain, mainly before 7am. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 43. Calm wind becoming east around 5 mph in the afternoon.

    High: 43 °F

    Chance Rain
    and Patchy
    Fog then
    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.

    Low: 33 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 54. Northwest wind 5 to 10 mph.

    High: 54 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.

    Low: 35 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 63. Southwest wind 5 to 10 mph.

    High: 63 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. Southwest wind around 10 mph becoming northeast after midnight.

    Low: 37 °F

    Partly Cloudy
    then Slight
    Chance Rain

  • Sunday

    Sunday: Mostly cloudy, with a high near 45. North wind 10 to 15 mph.

    High: 45 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 24.

    Low: 24 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain or freezing rain likely before 4am, then a chance of rain. Increasing clouds, with a low around 29. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%. Total nighttime ice accumulation of less than a 0.1 of an inch possible.
Thursday
A 30 percent chance of rain, mainly before 7am. Patchy fog between 8am and 10am. Otherwise, partly sunny, with a high near 43. Calm wind becoming east around 5 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 33. Calm wind becoming southwest around 5 mph after midnight.
Friday
Mostly cloudy, with a high near 54. Northwest wind 5 to 10 mph.
Friday Night
Mostly cloudy, with a low around 35. Northwest wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 63. Southwest wind 5 to 10 mph.
Saturday Night
A 20 percent chance of rain after 1am. Mostly cloudy, with a low around 37. Southwest wind around 10 mph becoming northeast after midnight.
Sunday
Mostly cloudy, with a high near 45. North wind 10 to 15 mph.
Sunday Night
Mostly cloudy, with a low around 24.
Monday
Mostly sunny, with a high near 41.
Monday Night
Mostly cloudy, with a low around 27.
Tuesday
Partly sunny, with a high near 49.
Tuesday Night
Mostly cloudy, with a low around 32.
Wednesday
Mostly cloudy, with a high near 52.
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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:
4:34 pm CDT Mar 18, 2026
Forecast Valid:
5pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026
 
Forecast Discussion
 
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Additional Resources

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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