National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Severe Thunderstorms Likely in the Central U.S.; Flooding Possible for portions of Oklahoma/Texas/Arkansas and the Marianas.

Severe thunderstorms are likely from the southern Plains to the Midwest through Friday. Large hail, damaging winds, and tornadoes are all possible. An Enhanced (level 3 of 5) risk is in effect. Flash flooding is possible across portions of Oklahoma, Texas, and Arkansas on Friday. A Slight (level 2 of 4) risk is in effect. Flooding rain may impact Guam and the Marianas through next week. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

32°F

0°C

Humidity 54%
Wind Speed SSW 7 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill25°F (-4°C)
Last update 05 Mar 09:15 AM MST
Extended Forecast for

Mammoth WY

Winter Weather Advisory March 5, 09:42am until March 5, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory
  •  
    Winter Weather Advisory March 5, 09:42am until March 5, 05:00pm

    NOW until 5:00pm Thu

    Winter Weather Advisory

  • Today

    High: 36 °F

    Snow Showers
    Likely then
    Snow Showers

  • Tonight

    Tonight: Snow showers, mainly before 9pm. Low around 26. Northwest wind 7 to 9 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

    Low: 26 °F

    Snow Showers
    then Chance
    Snow Showers

  • Friday

    Friday: A 30 percent chance of snow showers between 3pm and 4pm. Mostly sunny, with a high near 40. North northwest wind 6 to 8 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.

    High: 40 °F

    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West wind around 6 mph becoming south southwest after midnight.

    Low: 22 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Partly sunny, with a high near 41. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.

    High: 41 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 32. South southwest wind around 10 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 47. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 33 mph.

    High: 47 °F

    Partly Sunny
    then Partly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Slight Chance
    Showers and
    Breezy

Detailed Forecast

Today
Snow showers. High near 36. South wind 6 to 8 mph becoming northwest in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 1 to 2 inches possible.
Tonight
Snow showers, mainly before 9pm. Low around 26. Northwest wind 7 to 9 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.
Friday
A 30 percent chance of snow showers between 3pm and 4pm. Mostly sunny, with a high near 40. North northwest wind 6 to 8 mph, with gusts as high as 21 mph. Little or no snow accumulation expected.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 22. West wind around 6 mph becoming south southwest after midnight.
Saturday
Partly sunny, with a high near 41. Southwest wind 7 to 11 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 32. South southwest wind around 10 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 47. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 33 mph.
Sunday Night
A 20 percent chance of showers after 11pm. Mostly cloudy, with a low around 37. Breezy.
Monday
A 40 percent chance of showers. Snow level 6400 feet. Mostly cloudy, with a high near 48. Breezy.
Monday Night
A chance of rain and snow showers before 11pm, then a chance of snow showers. Mostly cloudy, with a low around 24. Breezy. Chance of precipitation is 50%.
Tuesday
A chance of snow showers. Partly sunny, with a high near 36. Breezy.
Tuesday Night
A slight chance of snow showers. Partly cloudy, with a low around 19.
Wednesday
A slight chance of snow showers. Partly sunny, with a high near 37. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
8:47 am MST Mar 5, 2026
Forecast Valid:
9am MST Mar 5, 2026-6pm MDT Mar 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation