Prolonged Extreme Cold; Eastern U.S. Winter Storm
Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >
Hazardous Weather Conditions
Current conditions at
MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)
Lat: 44.977222°NLon: 110.695278°WElev: 6138.0ft.NA
26°F
-3°C
| Humidity | 64% |
| Wind Speed | SSW 5 MPH |
| Barometer | NA |
| Dewpoint | 15°F (-9°C) |
| Visibility | NA |
| Wind Chill | 20°F (-7°C) |
| Last update | 29 Jan 01:15 AM MST |
Extended Forecast for
Mammoth WY
Overnight
Low: 20 °F
Mostly Cloudy
Thursday
High: 32 °F
Partly Sunny
Thursday Night
Low: 22 °F
Mostly Cloudy
Friday
High: 37 °F
Partly Sunny
Friday Night
Low: 27 °F
Mostly Cloudy
Saturday
High: 43 °F
Mostly Sunny
Saturday Night
Low: 24 °F
Partly Cloudy
Sunday
High: 46 °F
Mostly Sunny
Sunday Night
Low: 27 °F
Mostly Cloudy
Detailed Forecast
Overnight
Mostly cloudy, with a low around 20. South wind around 6 mph.
Thursday
Partly sunny, with a high near 32. South wind 3 to 6 mph.
Thursday Night
Mostly cloudy, with a low around 22. South wind around 6 mph.
Friday
Partly sunny, with a high near 37. South wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 27. South southwest wind around 7 mph.
Saturday
Mostly sunny, with a high near 43. Southwest wind around 6 mph.
Saturday Night
Partly cloudy, with a low around 24. South wind around 6 mph.
Sunday
Mostly sunny, with a high near 46.
Sunday Night
Mostly cloudy, with a low around 27.
Monday
A 20 percent chance of snow showers after 11am. Partly sunny, with a high near 42.
Monday Night
Partly cloudy, with a low around 23.
Tuesday
Mostly sunny, with a high near 39.
Tuesday Night
Partly cloudy, with a low around 19.
Wednesday
Sunny, with a high near 42.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Mammoth WY
44.98°N 110.69°W (Elev. 5745 ft)
44.98°N 110.69°W (Elev. 5745 ft)
1:46 am MST Jan 29, 2026
2am MST Jan 29, 2026-6pm MST Feb 4, 2026
Additional Resources
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