Winter Storm in the Central Appalachians through the Northeast; Heavy Snow in the Great Basin and Rockies

A winter storm will impact the central Appalachians to the Northeast through the night. Accumulating snow is expected for interior New England and the northern Mid-Atlantic. Scattered showers and occasional thunderstorms will persist across Florida and the Southeast coast. Locally heavy mountain snow is expected in the Great Basin and Rockies over the next couple of days. Read More >

Hazardous Weather Conditions

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

18°F

-8°C

Humidity	86%
Wind Speed	W 4 MPH
Barometer	NA
Dewpoint	15°F (-9°C)
Visibility	NA
Wind Chill	12°F (-11°C)
Last update	03 Dec 02:15 AM MST

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

Mammoth WY

Overnight
Low: 20 °F
Partly Cloudy
Wednesday
High: 30 °F
Mostly Sunny
Wednesday Night
Low: 19 °F
Partly Cloudy
Thursday
High: 30 °F
Snow Showers
Likely
Thursday Night
Low: 21 °F
Snow Showers
Likely
Friday
High: 34 °F
Chance Snow
Showers
Friday Night
Low: 26 °F
Snow Showers
Saturday
High: 38 °F
Snow Showers
Likely
Saturday Night
Low: 22 °F
Chance Snow
Showers

Detailed Forecast

Overnight

Partly cloudy, with a steady temperature around 20. North northwest wind 5 to 7 mph.

Wednesday

Mostly sunny, with a high near 30. Light and variable wind becoming south around 5 mph.

Wednesday Night

Partly cloudy, with a low around 19. South wind around 6 mph.

Thursday

Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 30. South southwest wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 21. South southwest wind 7 to 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

A 40 percent chance of snow showers. Mostly cloudy, with a high near 34. Southwest wind 6 to 10 mph, with gusts as high as 21 mph.

Friday Night

Snow showers. Low around 26. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

Saturday

Snow showers likely, mainly before 11am. Mostly cloudy, with a high near 38. Chance of precipitation is 60%.

Saturday Night

A 30 percent chance of snow showers. Mostly cloudy, with a low around 22.

Sunday

A 30 percent chance of snow showers, mainly after 11am. Mostly cloudy, with a high near 37.

Sunday Night

A chance of snow showers. Mostly cloudy, with a low around 29.