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Tracking Areas of Fire Weather, Severe Weather, and Winter Weather

Gusty winds and dry conditions will continue to bring fire weather concerns to the southern Plains through Friday. Severe thunderstorms including a few tornadoes, large hail and damaging wind gusts are expected across parts of the Midwest and lower Ohio Valley today. A Pacific storm will bring low elevation rain and thunderstorms across southern California and heavy snow through the Sierra. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

21°F

-6°C

Humidity 54%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 7°F (-14°C)
Visibility NA
Last update 19 Feb 04:15 PM MST
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: A 20 percent chance of snow showers before 7pm. Partly cloudy, with a low around 3. Wind chill values as low as -5. South wind 5 to 7 mph.

    Low: 3 °F

    Slight Chance
    Snow Showers
    then Mostly
    Clear

  • Friday

    Friday: A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 28. Wind chill values as low as -5. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.

    High: 28 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 10. Southwest wind 6 to 8 mph.

    Low: 10 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33. South southwest wind around 9 mph, with gusts as high as 21 mph.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 14. South southeast wind around 7 mph.

    Low: 14 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 43. South southeast wind 6 to 8 mph, with gusts as high as 21 mph.

    High: 43 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 21. South wind around 8 mph.

    Low: 21 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 20 percent chance of snow showers. Mostly cloudy, with a low around 31.

    Low: 31 °F

    Slight Chance
    Snow Showers

Detailed Forecast

Tonight
A 20 percent chance of snow showers before 7pm. Partly cloudy, with a low around 3. Wind chill values as low as -5. South wind 5 to 7 mph.
Friday
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 28. Wind chill values as low as -5. South wind 5 to 9 mph becoming west southwest in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Partly cloudy, with a low around 10. Southwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 33. South southwest wind around 9 mph, with gusts as high as 21 mph.
Saturday Night
Partly cloudy, with a low around 14. South southeast wind around 7 mph.
Sunday
Sunny, with a high near 43. South southeast wind 6 to 8 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 21. South wind around 8 mph.
Monday
Mostly sunny, with a high near 45.
Monday Night
A 20 percent chance of snow showers. Mostly cloudy, with a low around 31.
Tuesday
Snow showers likely. Partly sunny, with a high near 41. Breezy. Chance of precipitation is 70%.
Tuesday Night
Snow showers likely. Mostly cloudy, with a low around 25.
Wednesday
A chance of snow showers. Mostly sunny, with a high near 39.
Wednesday Night
A chance of snow showers. Partly cloudy, with a low around 22.
Thursday
A chance of snow showers. Mostly sunny, with a high near 40. 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:
5:01 pm MST Feb 19, 2026
Forecast Valid:
5pm MST Feb 19, 2026-6pm MST Feb 26, 2026
 
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Additional Resources

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Chance of Precipitation