Critical Fire Weather and Severe Thunderstorm Threats This Week

Gusty winds and low relative humidity will contribute to critical fire weather Monday over parts of the central and southern High Plains. Scattered to widespread severe thunderstorms may bring damaging winds, large hail, and tornadoes Monday through Thursday over the lower Mississippi River Valley and southern Plains into the Midwest and Ohio Valley. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

42°F

6°C

Humidity 62%
Wind Speed SSW 17 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Wind Chill34°F (1°C)
Last update 09 Mar 02:15 AM MDT
Extended Forecast for

Mammoth WY

  • Overnight

    Overnight: A 20 percent chance of showers before 5am.  Snow level 6300 feet. Mostly clear, with a low around 36. South wind around 7 mph, with gusts as high as 25 mph.

    Low: 36 °F

    Slight Chance
    Showers

  • Monday

    Monday: A slight chance of rain and snow showers between 11am and noon.  Snow level 6200 feet lowering to 5700 feet in the afternoon . Mostly sunny, with a high near 45. Breezy, with a south southwest wind 8 to 13 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph.  Chance of precipitation is 20%.

    High: 45 °F

    Breezy.
    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: A 30 percent chance of snow showers after 5am.  Mostly cloudy, with a low around 24. Breezy, with a west wind 10 to 15 mph becoming light and variable  after midnight. Winds could gust as high as 31 mph.  Little or no snow accumulation expected.

    Low: 24 °F

    Mostly Cloudy
    and Breezy
    then Chance
    Snow Showers

  • Tuesday

    Tuesday: Snow showers likely, mainly after noon.  Partly sunny, with a high near 34. Light northwest wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 29 mph.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    High: 34 °F

    Snow Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 15. West northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 28 mph.

    Low: 15 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Breezy, with a southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph.

    High: 40 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Wednesday Night

    Wednesday Night: A 30 percent chance of snow showers.  Mostly cloudy, with a low around 34. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 39 mph.

    Low: 34 °F

    Chance Snow
    Showers and
    Breezy

  • Thursday

    Thursday: A chance of rain and snow showers before noon, then a chance of rain showers.  Snow level 5800 feet rising to 7100 feet in the afternoon. Mostly cloudy, with a high near 49. Windy.  Chance of precipitation is 50%.

    High: 49 °F

    Chance
    Rain/Snow and
    Breezy then
    Chance
    Showers and
    Windy

  • Thursday Night

    Thursday Night: A 40 percent chance of showers.  Snow level 7000 feet. Mostly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
A 20 percent chance of showers before 5am. Snow level 6300 feet. Mostly clear, with a low around 36. South wind around 7 mph, with gusts as high as 25 mph.
Monday
A slight chance of rain and snow showers between 11am and noon. Snow level 6200 feet lowering to 5700 feet in the afternoon . Mostly sunny, with a high near 45. Breezy, with a south southwest wind 8 to 13 mph becoming west southwest 16 to 21 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 20%.
Monday Night
A 30 percent chance of snow showers after 5am. Mostly cloudy, with a low around 24. Breezy, with a west wind 10 to 15 mph becoming light and variable after midnight. Winds could gust as high as 31 mph. Little or no snow accumulation expected.
Tuesday
Snow showers likely, mainly after noon. Partly sunny, with a high near 34. Light northwest wind becoming west northwest 9 to 14 mph in the morning. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday Night
Mostly clear, with a low around 15. West northwest wind 6 to 14 mph becoming southwest after midnight. Winds could gust as high as 28 mph.
Wednesday
Mostly sunny, with a high near 40. Breezy, with a southwest wind 7 to 12 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 39 mph.
Wednesday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 34. Breezy, with a southwest wind 16 to 20 mph, with gusts as high as 39 mph.
Thursday
A chance of rain and snow showers before noon, then a chance of rain showers. Snow level 5800 feet rising to 7100 feet in the afternoon. Mostly cloudy, with a high near 49. Windy. Chance of precipitation is 50%.
Thursday Night
A 40 percent chance of showers. Snow level 7000 feet. Mostly cloudy, with a low around 39. Breezy.
Friday
A 40 percent chance of showers. Snow level 6600 feet rising to 7200 feet in the afternoon. Mostly cloudy, with a high near 48. Breezy.
Friday Night
A chance of showers. Mostly cloudy, with a low around 40. Breezy.
Saturday
Showers likely. Mostly cloudy, with a high near 50. Breezy.
Saturday Night
Rain and snow showers likely. Mostly cloudy, with a low around 32. Breezy.
Sunday
A chance of snow showers. Mostly cloudy, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
2:47 am MDT Mar 9, 2026
3am MDT Mar 9, 2026-6pm MDT Mar 15, 2026
 
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Additional Resources

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