Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.

NA

40°F

4°C

Humidity 54%
Wind Speed NW 0 MPH
Barometer NA
Dewpoint 25°F (-4°C)
Visibility NA
Last update 06 Apr 01:15 AM MDT
Extended Forecast for

Mammoth WY

  • Overnight

    Overnight: Mostly cloudy, with a low around 35. Light south southeast wind.

    Low: 35 °F

    Mostly Cloudy

  • Monday

    Monday: A 10 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 62. Calm wind becoming west around 6 mph in the afternoon.

    High: 62 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. West northwest wind around 6 mph becoming light and variable.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 10 percent chance of showers and thunderstorms after 3pm.  Mostly sunny, with a high near 59. Breezy, with a south southeast wind 6 to 11 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 59 °F

    Sunny then
    Slight Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and snow showers before 3am, then a slight chance of snow showers.  Snow level 8100 feet lowering to 5700 feet after midnight . Partly cloudy, with a low around 31. Breezy, with a west northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph.  Chance of precipitation is 30%. Little or no snow accumulation expected.

    Low: 31 °F

    Chance
    Rain/Snow and
    Breezy

  • Wednesday

    Wednesday: Sunny, with a high near 53. West wind 7 to 11 mph.

    High: 53 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 33. West wind 5 to 10 mph becoming light and variable  in the evening.

    Low: 33 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 35. Light south southeast wind.
Monday
A 10 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 62. Calm wind becoming west around 6 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 36. West northwest wind around 6 mph becoming light and variable.
Tuesday
A 10 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 59. Breezy, with a south southeast wind 6 to 11 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Tuesday Night
A chance of rain and snow showers before 3am, then a slight chance of snow showers. Snow level 8100 feet lowering to 5700 feet after midnight . Partly cloudy, with a low around 31. Breezy, with a west northwest wind 15 to 20 mph decreasing to 8 to 13 mph after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 30%. Little or no snow accumulation expected.
Wednesday
Sunny, with a high near 53. West wind 7 to 11 mph.
Wednesday Night
Partly cloudy, with a low around 33. West wind 5 to 10 mph becoming light and variable in the evening.
Thursday
Sunny, with a high near 58.
Thursday Night
Partly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 64.
Friday Night
Partly cloudy, with a low around 40.
Saturday
A chance of showers and thunderstorms. Mostly sunny, with a high near 63.
Saturday Night
A chance of showers. Partly cloudy, with a low around 41.
Sunday
Showers likely. Partly sunny, with a high near 59.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
1:02 am MDT Apr 6, 2026
2am MDT Apr 6, 2026-6pm MDT Apr 12, 2026
 
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Additional Resources

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Hourly Weather Forecast

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