National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Record Temperatures Expected Across the Southern US; Fire Weather Concerns in the Central US

Unseasonably warm temperatures continue today across the southern U.S., with more than 100 record or near record maximum temperatures forecast through the rest of the week and over the weekend. Dry and gusty winds will produce elevated to critical fire weather in the central and southern Plains and elevated conditions over portions of the Desert Southwest on Friday. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

26°F

-3°C

Humidity 42%
Wind Speed W 1 MPH
Barometer NA
Dewpoint 6°F (-14°C)
Visibility NA
Last update 27 Mar 02:15 AM MDT
Extended Forecast for

Mammoth WY

  • Overnight

    Overnight: Mostly clear, with a low around 26. Calm wind.

    Low: 26 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 55. Light south southeast wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.

    High: 55 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 35. South wind 5 to 9 mph.

    Low: 35 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 39. Southwest wind 5 to 10 mph, with gusts as high as 23 mph.

    Low: 39 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 63. Southwest wind 6 to 14 mph, with gusts as high as 30 mph.

    High: 63 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 41. South wind 7 to 14 mph, with gusts as high as 29 mph.

    Low: 41 °F

    Partly Cloudy

  • Monday

    Monday: A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 63. Breezy.

    High: 63 °F

    Chance
    Showers and
    Breezy

  • Monday Night

    Monday Night: A 50 percent chance of showers. Snow level 7700 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 39. Breezy.

    Low: 39 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Overnight
Mostly clear, with a low around 26. Calm wind.
Friday
Sunny, with a high near 55. Light south southeast wind becoming southwest 6 to 11 mph in the morning. Winds could gust as high as 20 mph.
Friday Night
Partly cloudy, with a low around 35. South wind 5 to 9 mph.
Saturday
Mostly sunny, with a high near 62. Southwest wind 6 to 10 mph, with gusts as high as 24 mph.
Saturday Night
Mostly cloudy, with a low around 39. Southwest wind 5 to 10 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 63. Southwest wind 6 to 14 mph, with gusts as high as 30 mph.
Sunday Night
Partly cloudy, with a low around 41. South wind 7 to 14 mph, with gusts as high as 29 mph.
Monday
A 30 percent chance of showers, mainly after noon. Partly sunny, with a high near 63. Breezy.
Monday Night
A 50 percent chance of showers. Snow level 7700 feet lowering to 6500 feet after midnight . Mostly cloudy, with a low around 39. Breezy.
Tuesday
Showers likely, with thunderstorms also possible after noon. Snow level 6200 feet. Partly sunny, with a high near 51. Chance of precipitation is 60%.
Tuesday Night
A chance of showers. Snow level 6500 feet. Mostly cloudy, with a low around 36.
Wednesday
A chance of showers. Snow level 6200 feet rising to 7100 feet in the afternoon. Partly sunny, with a high near 51.
Wednesday Night
Rain and snow showers likely. Snow level 7200 feet lowering to 6600 feet after midnight . Mostly cloudy, with a low around 36.
Thursday
Rain and snow showers likely. Mostly cloudy, with a high near 46. Breezy.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
2:47 am MDT Mar 27, 2026
Forecast Valid:
3am MDT Mar 27, 2026-6pm MDT Apr 2, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation