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

27°F

-3°C

Humidity 66%
Wind Speed SSW 6 MPH
Barometer NA
Dewpoint 17°F (-8°C)
Visibility NA
Wind Chill20°F (-7°C)
Last update 30 Jan 12:15 AM MST
Extended Forecast for

Mammoth WY

  • Overnight

    Overnight: Partly cloudy, with a low around 22. South southeast wind around 6 mph.

    Low: 22 °F

    Partly Cloudy

  • Friday

    Friday: A slight chance of snow showers between 1pm and 4pm.  Partly sunny, with a high near 34. South southeast wind around 7 mph.  Chance of precipitation is 20%.

    High: 34 °F

    Partly Sunny
    then Slight
    Chance Snow
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 28. South wind 6 to 8 mph.

    Low: 28 °F

    Mostly Cloudy

  • Saturday

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

    High: 42 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 24. South wind around 7 mph.

    Low: 24 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 46. South wind around 7 mph.

    High: 46 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 23. South wind around 7 mph.

    Low: 23 °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

Overnight
Partly cloudy, with a low around 22. South southeast wind around 6 mph.
Friday
A slight chance of snow showers between 1pm and 4pm. Partly sunny, with a high near 34. South southeast wind around 7 mph. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 28. South wind 6 to 8 mph.
Saturday
Sunny, with a high near 42. South southwest wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 24. South wind around 7 mph.
Sunday
Mostly sunny, with a high near 46. South wind around 7 mph.
Sunday Night
Mostly cloudy, with a low around 23. 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 41.
Tuesday Night
Partly cloudy, with a low around 21.
Wednesday
Sunny, with a high near 44.
Wednesday Night
Mostly clear, with a low around 23.
Thursday
Sunny, with a high near 48.
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ABOUT THIS FORECAST

 
Point Forecast:
Mammoth WY
 44.98°N 110.69°W (Elev. 5745 ft)
12:01 am MST Jan 30, 2026
12am MST Jan 30, 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