Heat Persists Across the Central and Western U.S.; Fire Weather Concerns in the Rockies and High Plains

Record-breaking heat expected in the Central and Western U.S. for the next several days. Gusty winds and low relative humidity will create elevated to critical fire weather conditions over portions of the Rockies and High Plains Wednesday and Thursday. Rain and mountain snow are possible across the Pacific Northwest into the Rockies through Wednesday. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

55°F

13°C

Humidity 48%
Wind Speed SE 3 MPH
Barometer NA
Dewpoint 36°F (2°C)
Visibility NA
Last update 24 Mar 09:15 PM MDT
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: Partly cloudy, with a low around 44. South southeast wind 8 to 10 mph, with gusts as high as 24 mph.

    Low: 44 °F

    Partly Cloudy

  • Wednesday

    Wednesday: A slight chance of showers between 4pm and 5pm.  Mostly sunny, with a high near 64. Breezy, with a south southeast wind 8 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 37 mph.  Chance of precipitation is 20%.

    High: 64 °F

    Sunny then
    Slight Chance
    Showers and
    Breezy

  • Wednesday Night

    Wednesday Night: A chance of rain showers before 5am, then a chance of rain and snow showers.  Mostly cloudy, with a low around 36. Breezy, with a southwest wind 6 to 15 mph becoming northwest after midnight. Winds could gust as high as 31 mph.  Chance of precipitation is 40%. Little or no snow accumulation expected.

    Low: 36 °F

    Slight Chance
    Showers and
    Breezy then
    Chance
    Rain/Snow

  • Thursday

    Thursday: A 30 percent chance of snow showers before noon.  Sunny, with a high near 50. Northwest wind 8 to 13 mph, with gusts as high as 28 mph.  Little or no snow accumulation expected.

    High: 50 °F

    Chance Snow
    Showers then
    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 26. West wind 8 to 13 mph becoming light and variable  in the evening. Winds could gust as high as 26 mph.

    Low: 26 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 56. Light and variable wind becoming southwest 5 to 7 mph in the morning.

    High: 56 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 34. South southeast wind 5 to 7 mph.

    Low: 34 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. South southeast wind 8 to 10 mph, with gusts as high as 24 mph.
Wednesday
A slight chance of showers between 4pm and 5pm. Mostly sunny, with a high near 64. Breezy, with a south southeast wind 8 to 18 mph becoming southwest in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 20%.
Wednesday Night
A chance of rain showers before 5am, then a chance of rain and snow showers. Mostly cloudy, with a low around 36. Breezy, with a southwest wind 6 to 15 mph becoming northwest after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 40%. Little or no snow accumulation expected.
Thursday
A 30 percent chance of snow showers before noon. Sunny, with a high near 50. Northwest wind 8 to 13 mph, with gusts as high as 28 mph. Little or no snow accumulation expected.
Thursday Night
Clear, with a low around 26. West wind 8 to 13 mph becoming light and variable in the evening. Winds could gust as high as 26 mph.
Friday
Sunny, with a high near 56. Light and variable wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Mostly clear, with a low around 34. South southeast wind 5 to 7 mph.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly cloudy, with a low around 40.
Monday
A slight chance of showers. Mostly sunny, with a high near 65.
Monday Night
A slight chance of showers. Mostly cloudy, with a low around 40.
Tuesday
A chance of showers. Partly sunny, with a high near 57.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
9:32 pm MDT Mar 24, 2026
10pm MDT Mar 24, 2026-6pm MDT Mar 31, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database