Critical Fire Weather in the Southern High Plains; Heavy Snow in the Great Lakes and Northeast U.S.

Gusty winds and low relative humidity will bring critical fire weather to the southern High Plains Friday. A winter storm will track across the Great Lakes and Northeast U.S. Friday into Saturday with areas of wintry mix and heavy snow from northern New York through southern Maine. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

14°F

-10°C

Humidity 66%
Wind Speed W 0 MPH
Barometer NA
Dewpoint 5°F (-15°C)
Visibility NA
Last update 19 Feb 08:15 PM MST
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: Partly cloudy, with a low around 2. Wind chill values as low as -10. South wind around 6 mph.

    Low: 2 °F

    Partly Cloudy

  • Friday

    Friday: A 20 percent chance of snow showers after 3pm.  Mostly sunny, with a high near 28. Wind chill values as low as -10. South wind 5 to 9 mph becoming west southwest in the afternoon.

    High: 28 °F

    Sunny then
    Slight Chance
    Snow Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 12. Southwest wind 6 to 8 mph.

    Low: 12 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33. South southwest wind 7 to 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
Partly cloudy, with a low around 2. Wind chill values as low as -10. South wind around 6 mph.
Friday
A 20 percent chance of snow showers after 3pm. Mostly sunny, with a high near 28. Wind chill values as low as -10. South wind 5 to 9 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 12. Southwest wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 33. South southwest wind 7 to 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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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
8:17 pm MST Feb 19, 2026
8pm MST Feb 19, 2026-6pm MST Feb 26, 2026
 
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Additional Resources

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