7-Day Forecast 40.41°N 110.3°W (Text-Only)
NWS Forecast for: Altonah UT
Issued by: National Weather Service Salt Lake City, UT
Last Update: 12:31 pm MDT May 14, 2026
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  • Tonight

    Tonight: Mostly clear, with a low around 40. West wind 7 to 16 mph becoming north after midnight.

    Low: 40 °F

    Mostly Clear




  • Friday

    Friday: Sunny, with a high near 73. North wind 6 to 11 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 31 mph.

    High: 73 °F

    Sunny




  • Friday
    Night

    Friday Night: Mostly clear, with a low around 40. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight.

    Low: 40 °F

    Mostly Clear




  • Saturday

    Saturday: A 30 percent chance of showers and thunderstorms after noon.  Mostly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 69 °F

    Mostly Sunny
    then Chance
    Showers


  • Saturday
    Night

    Saturday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 37. West southwest wind 5 to 10 mph becoming light and variable  after midnight.  Chance of precipitation is 30%.

    Low: 37 °F

    Chance
    Showers



  • Sunday

    Sunday: Showers likely, with thunderstorms also possible after 9am.  Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    High: 56 °F

    Showers
    Likely



  • Sunday
    Night

    Sunday Night: Rain showers likely before 9pm, then rain and snow showers likely. Some thunder is also possible.  Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 29 °F

    Rain/Snow
    Likely



  • Monday

    Monday: Snow showers likely before 9am, then rain and snow showers likely. Some thunder is also possible.  Patchy frost before noon.  Otherwise, mostly cloudy, with a high near 48.

    High: 48 °F

    Rain/Snow
    Likely



  • Monday
    Night

    Monday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers.  Patchy frost after midnight.  Otherwise, partly cloudy, with a low around 26.

    Low: 26 °F

    Chance
    Rain/Snow
    then Slight
    Chance Snow
    Showers

  • Tonight: Mostly clear, with a low around 40. West wind 7 to 16 mph becoming north after midnight.

    Friday: Sunny, with a high near 73. North wind 6 to 11 mph becoming west 15 to 20 mph in the morning. Winds could gust as high as 31 mph.

    Friday Night: Mostly clear, with a low around 40. West wind 12 to 17 mph decreasing to 6 to 11 mph after midnight.

    Saturday: A 30 percent chance of showers and thunderstorms after noon. Mostly sunny, with a high near 69. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 37. West southwest wind 5 to 10 mph becoming light and variable after midnight. Chance of precipitation is 30%.

    Sunday: Showers likely, with thunderstorms also possible after 9am. Mostly cloudy, with a high near 56. Chance of precipitation is 60%.

    Sunday Night: Rain showers likely before 9pm, then rain and snow showers likely. Some thunder is also possible. Mostly cloudy, with a low around 29. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Monday: Snow showers likely before 9am, then rain and snow showers likely. Some thunder is also possible. Patchy frost before noon. Otherwise, mostly cloudy, with a high near 48.

    Monday Night: A chance of rain and snow showers before midnight, then a slight chance of snow showers. Patchy frost after midnight. Otherwise, partly cloudy, with a low around 26.

    Tuesday: A slight chance of showers and thunderstorms after noon. Patchy frost before noon. Otherwise, mostly sunny, with a high near 53.

    Tuesday Night: Partly cloudy, with a low around 30.

    Wednesday: Sunny, with a high near 62.

    Wednesday Night: Partly cloudy, with a low around 36.

    Thursday: Sunny, with a high near 66.



    Altonah UT
     40.41°N 110.3°W (Elev. 6801 ft)

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