Critical Fire Weather in the High Plains; Heat Continues in the West

Critical fire weather conditions will persist in the central High Plains through Friday as gusty winds and dry conditions continue. The heat wave across the West and Southwest will continue to intensify through the week, with daily and monthly record highs expected to be broken. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

51°F

11°C

Humidity 32%
Wind Speed SW 4 MPH
Barometer NA
Dewpoint 22°F (-6°C)
Visibility NA
Last update 18 Mar 10:15 PM MDT
Extended Forecast for

Mammoth WY

  • Tonight

    Tonight: Partly cloudy, with a low around 39. South wind 5 to 7 mph.

    Low: 39 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 65. South southeast wind 7 to 13 mph.

    High: 65 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 41. South southwest wind 5 to 11 mph.

    Low: 41 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 67. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 42. South wind 7 to 10 mph, with gusts as high as 28 mph.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of showers after noon.  Mostly sunny, with a high near 66. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 28 mph.

    High: 66 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Saturday Night

    Saturday Night: A 40 percent chance of showers, mainly before midnight.  Partly cloudy, with a low around 34. West wind 5 to 10 mph becoming light west southwest  after midnight. Winds could gust as high as 24 mph.

    Low: 34 °F

    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 56.

    High: 56 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 39. South wind 5 to 7 mph.
Thursday
Sunny, with a high near 65. South southeast wind 7 to 13 mph.
Thursday Night
Partly cloudy, with a low around 41. South southwest wind 5 to 11 mph.
Friday
Sunny, with a high near 67. Southwest wind 6 to 14 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 42. South wind 7 to 10 mph, with gusts as high as 28 mph.
Saturday
A 20 percent chance of showers after noon. Mostly sunny, with a high near 66. South wind 8 to 14 mph becoming west in the afternoon. Winds could gust as high as 28 mph.
Saturday Night
A 40 percent chance of showers, mainly before midnight. Partly cloudy, with a low around 34. West wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 24 mph.
Sunday
Sunny, with a high near 56.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Partly sunny, with a high near 56.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
A slight chance of showers. Partly cloudy, with a low around 45.
Wednesday
A chance of rain and snow showers. Mostly sunny, with a high near 62. Breezy.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
9:31 pm MDT Mar 18, 2026
10pm MDT Mar 18, 2026-6pm MDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database