Prolonged Extreme Cold; Eastern U.S. Winter Storm

A powerful Arctic blast will bring dangerously cold, record low temperatures to the Gulf Coast, upper Ohio Valley, Mid-Atlantic, and Southeast U.S. into this weekend. A rapidly deepening storm centered just off the North Carolina coast Friday night through Saturday night will produce widespread heavy snow and wind from the southern Appalachians across the Carolinas and southern Virginia. Read More >

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

NA

30°F

-1°C

Humidity 61%
Wind Speed SSE 4 MPH
Barometer NA
Dewpoint 18°F (-8°C)
Visibility NA
Wind Chill26°F (-3°C)
Last update 29 Jan 07:15 PM MST
Extended Forecast for

Mammoth Hot Springs WY

  • Tonight

    Tonight: Mostly cloudy, with a low around 21. South wind around 5 mph.

    Low: 21 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 38. South wind around 6 mph.

    High: 38 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 27. South wind 6 to 8 mph.

    Low: 27 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 42. South southwest wind around 6 mph.

    High: 42 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. South southwest wind around 6 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 45. South southeast wind 5 to 7 mph.

    High: 45 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 25. South wind around 7 mph.

    Low: 25 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 22.

    Low: 22 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 21. South wind around 5 mph.
Friday
Partly sunny, with a high near 38. South wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 27. South wind 6 to 8 mph.
Saturday
Mostly sunny, with a high near 42. South southwest wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 24. South southwest wind around 6 mph.
Sunday
Mostly sunny, with a high near 45. South southeast wind 5 to 7 mph.
Sunday Night
Mostly cloudy, with a low around 25. South wind around 7 mph.
Monday
Mostly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 22.
Tuesday
Mostly sunny, with a high near 40.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Sunny, with a high near 43.
Wednesday Night
Partly cloudy, with a low around 21.
Thursday
Sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth Hot Springs WY
 44.98°N 110.69°W (Elev. 5745 ft)
7:47 pm MST Jan 29, 2026
8pm MST Jan 29, 2026-6pm MST Feb 5, 2026
 
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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