Forecast

    Forecast for West Allis, WI | Forecast Periods: 14
    Monday
    Mar 16
    2026

    West Allis, WI

    Updated: 9:57 PM CDT

    4°F

    Chance Light Snow

    10 mph NW
    Precipitation: 26%

    A chance of snow before 2am. Mostly cloudy, with a low around 4. Wind chill values as low as -10. Northwest wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 30%.

    Hourly Forecast

    TUE22:00
    16°F
    Chance Light Snow
    Dewpoint:-13.9°Precip:26%Humidity:67%Wind:15 mph NW
    TUE23:00
    14°F
    Slight Chance Light Snow
    Dewpoint:-15°Precip:19%Humidity:67%Wind:15 mph NW
    TUE00:00
    12°F
    Slight Chance Light Snow
    Dewpoint:-16.1°Precip:24%Humidity:66%Wind:15 mph NW
    TUE01:00
    11°F
    Slight Chance Light Snow
    Dewpoint:-16.7°Precip:17%Humidity:66%Wind:15 mph NW
    TUE02:00
    10°F
    Mostly Cloudy
    Dewpoint:-17.2°Precip:0%Humidity:66%Wind:15 mph NW
    TUE03:00
    9°F
    Partly Cloudy
    Dewpoint:-17.2°Precip:0%Humidity:69%Wind:15 mph NW
    TUE04:00
    8°F
    Mostly Cloudy
    Dewpoint:-17.2°Precip:0%Humidity:72%Wind:10 mph NW
    TUE05:00
    6°F
    Mostly Clear
    Dewpoint:-17.8°Precip:0%Humidity:76%Wind:10 mph NW
    TUE06:00
    5°F
    Mostly Sunny
    Dewpoint:-18.3°Precip:0%Humidity:76%Wind:10 mph NW
    TUE07:00
    5°F
    Sunny
    Dewpoint:-18.3°Precip:0%Humidity:76%Wind:10 mph NW
    TUE08:00
    6°F
    Sunny
    Dewpoint:-17.8°Precip:0%Humidity:76%Wind:10 mph NW
    TUE09:00
    9°F
    Sunny
    Dewpoint:-17.2°Precip:0%Humidity:69%Wind:10 mph NW
    TUE10:00
    12°F
    Sunny
    Dewpoint:-16.7°Precip:0%Humidity:63%Wind:10 mph NW
    TUE11:00
    14°F
    Sunny
    Dewpoint:-16.1°Precip:0%Humidity:61%Wind:10 mph NW
    TUE12:00
    16°F
    Sunny
    Dewpoint:-15.6°Precip:0%Humidity:58%Wind:10 mph W
    TUE13:00
    18°F
    Mostly Sunny
    Dewpoint:-15°Precip:0%Humidity:56%Wind:10 mph W
    TUE14:00
    19°F
    Partly Sunny
    Dewpoint:-15°Precip:1%Humidity:54%Wind:10 mph W
    TUE15:00
    20°F
    Partly Sunny
    Dewpoint:-14.4°Precip:0%Humidity:54%Wind:10 mph W
    TUE16:00
    21°F
    Mostly Cloudy
    Dewpoint:-14.4°Precip:1%Humidity:52%Wind:10 mph W
    TUE17:00
    21°F
    Mostly Cloudy
    Dewpoint:-13.9°Precip:1%Humidity:54%Wind:10 mph SW
    TUE18:00
    20°F
    Mostly Cloudy
    Dewpoint:-13.3°Precip:3%Humidity:59%Wind:5 mph SW
    WED19:00
    20°F
    Mostly Cloudy
    Dewpoint:-12.8°Precip:5%Humidity:62%Wind:5 mph SW
    WED20:00
    19°F
    Mostly Cloudy
    Dewpoint:-12.8°Precip:4%Humidity:64%Wind:5 mph SW
    WED21:00
    18°F
    Mostly Cloudy
    Dewpoint:-12.8°Precip:6%Humidity:67%Wind:5 mph S

    Extended Forecast

    Tuesday

    Tue, Mar 17
    22°F
    Mostly Sunny
    10 mph W
    Precipitation: 1%
    Mostly sunny, with a high near 22. Wind chill values as low as -11. West wind around 10 mph.

    Tuesday Night

    Tue, Mar 17
    17°F
    Light Snow
    5 mph S
    Precipitation: 100%
    Snow after 11pm. Mostly cloudy, with a low around 17. South wind 5 to 10 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

    Wednesday

    Wed, Mar 18
    39°F
    Light Snow Likely then Mostly Cloudy
    5 mph SW
    Precipitation: 63%
    Snow likely before 7am. Mostly cloudy, with a high near 39. Southwest wind 5 to 10 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

    Wednesday Night

    Wed, Mar 18
    31°F
    Mostly Cloudy then Slight Chance Light Rain
    5 mph SW
    Precipitation: 22%
    A slight chance of rain after 1am. Mostly cloudy, with a low around 31. Southwest wind around 5 mph. Chance of precipitation is 20%.

    Thursday

    Thu, Mar 19
    44°F
    Slight Chance Light Rain then Mostly Sunny
    5 mph NW
    Precipitation: 22%
    A slight chance of rain before 7am. Mostly sunny, with a high near 44. Northwest wind around 5 mph. Chance of precipitation is 20%.

    Thursday Night

    Thu, Mar 19
    33°F
    Mostly Cloudy
    5 mph W
    Precipitation: 1%
    Mostly cloudy, with a low around 33. West wind around 5 mph.

    Friday

    Fri, Mar 20
    49°F
    Mostly Cloudy
    5 mph W
    Precipitation: 5%
    Mostly cloudy, with a high near 49. West wind 5 to 10 mph.

    Friday Night

    Fri, Mar 20
    35°F
    Mostly Cloudy
    10 mph N
    Precipitation: 8%
    Mostly cloudy, with a low around 35.

    Saturday

    Sat, Mar 21
    53°F
    Partly Sunny
    10 mph SW
    Precipitation: 8%
    Partly sunny, with a high near 53.

    Saturday Night

    Sat, Mar 21
    34°F
    Mostly Cloudy then Slight Chance Rain And Snow
    10 mph NW
    Precipitation: 15%
    A slight chance of rain and snow after 1am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Sunday

    Sun, Mar 22
    49°F
    Slight Chance Rain And Snow then Partly Sunny
    10 mph NW
    Precipitation: 15%
    A slight chance of rain and snow before 7am. Partly sunny, with a high near 49. Chance of precipitation is 20%.

    Sunday Night

    Sun, Mar 22
    27°F
    Mostly Cloudy
    10 mph N
    Precipitation: 4%
    Mostly cloudy, with a low around 27.

    Monday

    Mon, Mar 23
    39°F
    Partly Sunny
    10 mph NE
    Precipitation: 3%
    Partly sunny, with a high near 39.

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