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

Severe Thunderstorms in the Southern Plains; Heavy to Excessive Rainfall in South Central Texas

Widespread rain may produce flash flooding across the Southern Plains into the Ozarks today. Numerous instances of flash flooding are expected in south-central Texas, including the Hill Country. There will also be a risk of isolated severe thunderstorms across the southern Plains today, where an instance or two of severe wind, hail, or a brief tornado may occur. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

44°F

7°C

Humidity 57%
Wind Speed ESE 3 MPH
Barometer NA
Dewpoint 29°F (-2°C)
Visibility NA
Last update 20 Nov 11:15 AM MST
Extended Forecast for

Mammoth WY

  • Today

    Today: Sunny, with a high near 46. South southeast wind 3 to 6 mph.

    High: 46 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 29. South wind 3 to 5 mph.

    Low: 29 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. South southeast wind around 6 mph becoming west southwest in the afternoon.

    High: 49 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30. South wind around 7 mph.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 47. South southwest wind around 6 mph.

    High: 47 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. South wind around 7 mph.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 50. South wind around 6 mph.

    High: 50 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Monday

    Monday: A chance of rain and snow showers, mainly after 11am. Snow level 5800 feet. Mostly sunny, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Chance
    Rain/Snow

Detailed Forecast

Today
Sunny, with a high near 46. South southeast wind 3 to 6 mph.
Tonight
Mostly clear, with a low around 29. South wind 3 to 5 mph.
Friday
Sunny, with a high near 49. South southeast wind around 6 mph becoming west southwest in the afternoon.
Friday Night
Partly cloudy, with a low around 30. South wind around 7 mph.
Saturday
Mostly sunny, with a high near 47. South southwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 29. South wind around 7 mph.
Sunday
Sunny, with a high near 50. South wind around 6 mph.
Sunday Night
Partly cloudy, with a low around 30.
Monday
A chance of rain and snow showers, mainly after 11am. Snow level 5800 feet. Mostly sunny, with a high near 44. Chance of precipitation is 30%.
Monday Night
A 30 percent chance of snow showers. Partly cloudy, with a low around 21.
Tuesday
A chance of snow showers. Mostly sunny, with a high near 33.
Tuesday Night
Partly cloudy, with a low around 15.
Wednesday
A slight chance of snow showers. Mostly sunny, with a high near 33.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
Last Update:
11:32 am MST Nov 20, 2025
Forecast Valid:
11am MST Nov 20, 2025-6pm MST Nov 26, 2025
 
Forecast Discussion
 
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Additional Resources

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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