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

Continuation of gusty winds and low relative humidity will bring additional periods of critical fire weather to the southern Plains Thursday and Friday. Another Pacific storm will continue gusty winds and heavy snow over the western mountains into Thursday. Severe thunderstorms are possible across parts of the middle Mississippi into lower Ohio Valleys Thursday afternoon into early evening. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

8°F

-13°C

Humidity 84%
Wind Speed NNE 0 MPH
Barometer NA
Dewpoint 4°F (-16°C)
Visibility NA
Last update 18 Feb 10:15 PM MST
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: A 20 percent chance of snow showers.  Mostly cloudy, with a low around 4. Wind chill values as low as -5. Northwest wind 5 to 8 mph becoming calm  after midnight.

    Low: 4 °F

    Slight Chance
    Snow Showers

  • Thursday

    Thursday: Partly sunny, with a high near 23. Wind chill values as low as zero. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 23 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 5. Wind chill values as low as -5. South southeast wind 3 to 6 mph.

    Low: 5 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 29. Wind chill values as low as -5. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.

    High: 29 °F

    Mostly Sunny

  • Friday Night

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

    Low: 10 °F

    Mostly 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 12. South southeast wind around 7 mph.

    Low: 12 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 41.

    High: 41 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 19.

    Low: 19 °F

    Mostly Clear

Detailed Forecast

Tonight
A 20 percent chance of snow showers. Mostly cloudy, with a low around 4. Wind chill values as low as -5. Northwest wind 5 to 8 mph becoming calm after midnight.
Thursday
Partly sunny, with a high near 23. Wind chill values as low as zero. Calm wind becoming west southwest around 6 mph in the afternoon.
Thursday Night
Partly cloudy, with a low around 5. Wind chill values as low as -5. South southeast wind 3 to 6 mph.
Friday
Mostly sunny, with a high near 29. Wind chill values as low as -5. Light and variable wind becoming west southwest 5 to 9 mph in the afternoon. Winds could gust as high as 21 mph.
Friday Night
Mostly cloudy, with a low around 10. South 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 12. South southeast wind around 7 mph.
Sunday
Mostly sunny, with a high near 41.
Sunday Night
Mostly clear, with a low around 19.
Monday
Mostly sunny, with a high near 45.
Monday Night
A slight chance of snow showers. Mostly cloudy, with a low around 29.
Tuesday
Snow showers likely. Mostly cloudy, with a high near 42.
Tuesday Night
Snow showers likely. Mostly cloudy, with a low around 27.
Wednesday
A chance of snow showers. Mostly sunny, with a high near 41.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
10:31 pm MST Feb 18, 2026
10pm MST Feb 18, 2026-6pm MST Feb 25, 2026
 
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Additional Resources

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