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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 43.02°N 88.01°W (Text-Only)
NWS Forecast for: West Allis WI
Issued by: National Weather Service Milwaukee, WI
Last Update: 12:36 am CST Dec 5, 2025		Print

  • Overnight

    Overnight: Mostly cloudy, with a low around 5. Wind chill values between -5 and zero. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Low: 5 °F

    Mostly Cloudy



  • Friday

    Friday: A slight chance of snow and freezing rain after 5pm. Mostly cloudy, with a high near 26. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    High: 26 °F

    Partly Sunny
    then Slight
    Chance Wintry
    Mix

  • Friday
    Night

    Friday Night: A chance of snow and freezing rain before midnight. Mostly cloudy, with a low around 20. Southwest wind around 10 mph becoming west after midnight. Chance of precipitation is 50%.

    Low: 20 °F

    Chance Wintry
    Mix then
    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 26. Northwest wind 5 to 10 mph.

    High: 26 °F

    Partly Sunny



  • Saturday
    Night

    Saturday Night: A 50 percent chance of snow after midnight. Mostly cloudy, with a low around 14. Calm wind becoming north around 5 mph after midnight.

    Low: 14 °F

    Mostly Cloudy
    then Chance
    Snow

  • Sunday

    Sunday: A 30 percent chance of snow before noon. Partly sunny, with a high near 23. North wind 5 to 10 mph.

    High: 23 °F

    Chance Snow
    then Mostly
    Sunny

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 6. North wind 5 to 10 mph becoming light northwest after midnight.

    Low: 6 °F

    Partly Cloudy



  • Monday

    Monday: A 20 percent chance of snow after noon. Partly sunny, with a high near 23. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 23 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Monday
    Night

    Monday Night: Snow. Low around 15. Chance of precipitation is 80%.

    Low: 15 °F

    Snow





    • Overnight: Mostly cloudy, with a low around 5. Wind chill values between -5 and zero. Southwest wind 5 to 10 mph, with gusts as high as 25 mph.

    Friday: A slight chance of snow and freezing rain after 5pm. Mostly cloudy, with a high near 26. Wind chill values between -5 and 5. Southwest wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.

    Friday Night: A chance of snow and freezing rain before midnight. Mostly cloudy, with a low around 20. Southwest wind around 10 mph becoming west after midnight. Chance of precipitation is 50%.

    Saturday: Partly sunny, with a high near 26. Northwest wind 5 to 10 mph.

    Saturday Night: A 50 percent chance of snow after midnight. Mostly cloudy, with a low around 14. Calm wind becoming north around 5 mph after midnight.

    Sunday: A 30 percent chance of snow before noon. Partly sunny, with a high near 23. North wind 5 to 10 mph.

    Sunday Night: Partly cloudy, with a low around 6. North wind 5 to 10 mph becoming light northwest after midnight.

    Monday: A 20 percent chance of snow after noon. Partly sunny, with a high near 23. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    Monday Night: Snow. Low around 15. Chance of precipitation is 80%.

    Tuesday: A 30 percent chance of snow before noon. Mostly cloudy, with a high near 32.

    Tuesday Night: Snow likely. Mostly cloudy, with a low around 20. Chance of precipitation is 60%.

    Wednesday: Snow likely. Mostly cloudy, with a high near 32. Chance of precipitation is 60%.

    Wednesday Night: A 30 percent chance of snow. Mostly cloudy, with a low around 12.

    Thursday: A 30 percent chance of snow. Partly sunny, with a high near 23.


    West Allis WI
     43.02°N 88.01°W (Elev. 748 ft)

    Visit your local NWS office at: https://www.weather.gov/mkx