Fire Weather Concerns in the South-Central U.S.; Heavy Precipitation in Northern California and the Great Lakes

Strong winds and dry conditions will promote elevated to critical fire weather conditions across southeast Colorado into the southern Plains and extending into the Ozarks. An atmospheric river will bring heavy rain and a flash flood threat to northern California and heavy mountain snow in the Cascades and Northern Rockies. A clipper system will bring heavy snow to the Great Lakes. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

37°F

3°C

Humidity 68%
Wind Speed SSW 13 MPH
Barometer NA
Dewpoint 28°F (-2°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 24 Feb 03:15 PM MST
Extended Forecast for

Mammoth WY

Winter Storm Warning February 24, 04:02pm until February 25, 05:00pm
Click here for hazard details and duration
Winter Storm Warning
  •  
    Winter Storm Warning February 24, 04:02pm until February 25, 05:00pm

    NOW until 5:00pm Wed

    Winter Storm Warning

  • This Afternoon

    High: 41 °F

    Scattered
    Rain/Snow

  • Tonight

    Tonight: Scattered rain and snow showers before midnight, then scattered rain showers between midnight and 2am, then scattered rain and snow showers after 2am.  Snow level 6700 feet lowering to 5900 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 35. South southeast wind 10 to 14 mph becoming southwest after midnight. Winds could gust as high as 21 mph.  Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

    Low: 35 °F

    Scattered
    Rain/Snow

  • Wednesday

    Wednesday: Snow showers likely, mainly before noon.  Mostly sunny, with a high near 43. Breezy, with a west northwest wind 14 to 16 mph, with gusts as high as 25 mph.  Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    High: 43 °F

    Breezy. Snow
    Showers
    Likely then
    Isolated Snow
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 21. West wind 8 to 10 mph becoming south southwest after midnight. Winds could gust as high as 22 mph.

    Low: 21 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 40. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 34 mph.

    High: 40 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 24. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 30 mph.

    Low: 24 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

  • Friday

    Friday: Sunny, with a high near 44. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 36 mph.

    High: 44 °F

    Sunny then
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 25. Breezy.

    Low: 25 °F

    Mostly Clear
    and Breezy
    then Mostly
    Clear

Detailed Forecast

This Afternoon
Scattered rain showers before 5pm, then scattered rain and snow showers. Snow level 6600 feet. Cloudy, with a high near 41. South wind around 10 mph. Chance of precipitation is 50%. Total daytime snow accumulation of less than one inch possible.
Tonight
Scattered rain and snow showers before midnight, then scattered rain showers between midnight and 2am, then scattered rain and snow showers after 2am. Snow level 6700 feet lowering to 5900 feet after midnight . Cloudy, then gradually becoming partly cloudy, with a low around 35. South southeast wind 10 to 14 mph becoming southwest after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.
Wednesday
Snow showers likely, mainly before noon. Mostly sunny, with a high near 43. Breezy, with a west northwest wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Wednesday Night
Mostly clear, with a low around 21. West wind 8 to 10 mph becoming south southwest after midnight. Winds could gust as high as 22 mph.
Thursday
Sunny, with a high near 40. Breezy, with a southwest wind 9 to 16 mph, with gusts as high as 34 mph.
Thursday Night
Mostly clear, with a low around 24. Breezy, with a south southwest wind 10 to 15 mph, with gusts as high as 30 mph.
Friday
Sunny, with a high near 44. Breezy, with a southwest wind 10 to 17 mph, with gusts as high as 36 mph.
Friday Night
Mostly clear, with a low around 25. Breezy.
Saturday
Mostly sunny, with a high near 45.
Saturday Night
Partly cloudy, with a low around 28.
Sunday
A slight chance of snow showers. Partly sunny, with a high near 46.
Sunday Night
Partly cloudy, with a low around 28.
Monday
Mostly sunny, with a high near 47.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
1:46 pm MST Feb 24, 2026
4pm MST Feb 24, 2026-6pm MST Mar 2, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

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