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

Severe Thunderstorms and Heavy Rain in the Southern U.S.; Snow in the Northern Rockies and Northern Plains

A storm system will shift from eastern Texas into the lower Mississippi Valley today with additional threats of severe thunderstorms and heavy to excessive rainfall which may bring flooding. In the northern U.S., a storm will bring heavy snow and gusty winds over parts of the northern Rockies, northern Plains, and Upper Midwest today into 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

36°F

2°C

Humidity 71%
Wind Speed SE 9 MPH
Barometer NA
Dewpoint 27°F (-3°C)
Visibility NA
Wind Chill29°F (-2°C)
Last update 24 Nov 10:15 AM MST
Extended Forecast for

5 Miles W Mammoth Hot Springs WY

  • Today

    Today: Snow showers, mainly before 4pm. The snow could be heavy at times. Temperature falling to around 21 by 5pm. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.

    High: 29 °F⇓

    Heavy Snow
    and Breezy

  • Tonight

    Tonight: Mostly clear, with a low around 9. Wind chill values as low as zero. Blustery, with a west northwest wind 8 to 17 mph, with gusts as high as 34 mph.

    Low: 9 °F

    Mostly Clear
    and Blustery
    then Mostly
    Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 21. Wind chill values as low as zero. West northwest wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.

    High: 21 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 15. South southwest wind 9 to 11 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Slight Chance
    Snow Showers

  • Wednesday

    Wednesday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 25. South southwest wind around 10 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.

    High: 25 °F

    Chance Snow
    Showers

  • Wednesday Night

    Wednesday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. South southwest wind 7 to 9 mph, with gusts as high as 21 mph.

    Low: 22 °F

    Chance Snow
    Showers

  • Thanksgiving Day

    Thanksgiving Day: A 40 percent chance of snow showers. Mostly cloudy, with a high near 30. South southwest wind around 9 mph.

    High: 30 °F

    Chance Snow
    Showers

  • Thursday Night

    Thursday Night: A 40 percent chance of snow showers. Mostly cloudy, with a low around 22.

    Low: 22 °F

    Chance Snow
    Showers

  • Friday

    Friday: A 50 percent chance of snow showers. Mostly cloudy, with a high near 28.

    High: 28 °F

    Chance Snow
    Showers

Detailed Forecast

Today
Snow showers, mainly before 4pm. The snow could be heavy at times. Temperature falling to around 21 by 5pm. Breezy, with a southwest wind 18 to 22 mph, with gusts as high as 39 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 2 to 4 inches possible.
Tonight
Mostly clear, with a low around 9. Wind chill values as low as zero. Blustery, with a west northwest wind 8 to 17 mph, with gusts as high as 34 mph.
Tuesday
Increasing clouds, with a high near 21. Wind chill values as low as zero. West northwest wind 6 to 11 mph becoming southwest in the afternoon. Winds could gust as high as 22 mph.
Tuesday Night
A 20 percent chance of snow showers after 11pm. Mostly cloudy, with a low around 15. South southwest wind 9 to 11 mph, with gusts as high as 24 mph.
Wednesday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 25. South southwest wind around 10 mph, with gusts as high as 21 mph. New snow accumulation of less than a half inch possible.
Wednesday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 22. South southwest wind 7 to 9 mph, with gusts as high as 21 mph.
Thanksgiving Day
A 40 percent chance of snow showers. Mostly cloudy, with a high near 30. South southwest wind around 9 mph.
Thursday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 22.
Friday
A 50 percent chance of snow showers. Mostly cloudy, with a high near 28.
Friday Night
A 40 percent chance of snow showers. Mostly cloudy, with a low around 10.
Saturday
A chance of snow showers. Partly sunny, with a high near 16.
Saturday Night
A chance of snow showers. Mostly cloudy, with a low around 0.
Sunday
A chance of snow showers. Partly sunny, with a high near 13.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Mammoth Hot Springs WY
 44.97°N 110.81°W (Elev. 8209 ft)
Last Update:
11:03 am MST Nov 24, 2025
Forecast Valid:
11am MST Nov 24, 2025-6pm MST Nov 30, 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