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Fire Weather in the Central and Southern Plains; Pacific Storms Impacting the West

Gusty to high winds and low relative humidity will bring elevated to critical fire weather to the central and southern Plains into Wednesday. Two Pacific storms will impact the western U.S. into Wednesday with gusty winds, low elevation rain, and heavy mountain snow. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

38°F

3°C

Humidity 55%
Wind Speed S 10 MPH
Barometer NA
Dewpoint 23°F (-5°C)
Visibility NA
Wind Chill31°F (-1°C)
Last update 15 Feb 08:15 PM MST
Extended Forecast for

Mammoth WY

Winter Weather Advisory February 16, 11:00pm until February 17, 05:00pm
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 30. South wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 30 °F

    Partly Cloudy

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 45. Breezy, with a south wind 9 to 15 mph, with gusts as high as 33 mph.

    High: 45 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Monday Night

    Monday Night: Snow showers likely, possibly mixed with rain, becoming all snow after 2am. Snow level 6300 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 32. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain/Snow
    Likely

  • Tuesday

    Tuesday: Snow showers. High near 38. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

    High: 38 °F

    Snow Showers
    and Breezy

  • Tuesday Night

    Tuesday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 21. Southwest wind 7 to 14 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.

    Low: 21 °F

    Chance Snow
    Showers

  • Wednesday

    Wednesday: Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 33. South southeast wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.

    High: 33 °F

    Snow Showers
    Likely

  • Wednesday Night

    Wednesday Night: Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 15. West wind 11 to 13 mph. Chance of precipitation is 70%.

    Low: 15 °F

    Snow Showers
    Likely

  • Thursday

    Thursday: A 40 percent chance of snow showers. Mostly cloudy, with a high near 26.

    High: 26 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of snow showers. Mostly cloudy, with a low around 11.

    Low: 11 °F

    Chance Snow
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 30. South wind 8 to 10 mph, with gusts as high as 20 mph.
Washington's Birthday
Mostly sunny, with a high near 45. Breezy, with a south wind 9 to 15 mph, with gusts as high as 33 mph.
Monday Night
Snow showers likely, possibly mixed with rain, becoming all snow after 2am. Snow level 6300 feet lowering to 5700 feet after midnight . Mostly cloudy, with a low around 32. South wind around 14 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.
Tuesday
Snow showers. High near 38. Breezy, with a southwest wind 14 to 20 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.
Tuesday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 21. Southwest wind 7 to 14 mph, with gusts as high as 28 mph. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 33. South southeast wind 7 to 9 mph becoming west in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Wednesday Night
Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 15. West wind 11 to 13 mph. Chance of precipitation is 70%.
Thursday
A 40 percent chance of snow showers. Mostly cloudy, with a high near 26.
Thursday Night
A 30 percent chance of snow showers. Mostly cloudy, with a low around 11.
Friday
A 30 percent chance of snow showers, mainly after 11am. Partly sunny, with a high near 27.
Friday Night
A slight chance of snow showers. Mostly cloudy, with a low around 12.
Saturday
A slight chance of snow showers. Partly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 15.
Sunday
A slight chance of snow showers. Partly sunny, with a high near 38.
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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:
8:32 pm MST Feb 15, 2026
Forecast Valid:
8pm MST Feb 15, 2026-6pm MST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation