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.

31°F

-1°C

Humidity	68%
Wind Speed	N 4 MPH
Barometer	NA
Dewpoint	21°F (-6°C)
Visibility	NA
Wind Chill	27°F (-3°C)
Last update	02 Dec 02:15 PM MST

More Information:

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

Extended Forecast for

5 Miles SSW Mammoth Hot Springs WY

This Afternoon
High: 26 °F
Chance Snow
Showers and
Patchy Fog
Tonight
Low: 10 °F
Chance Snow
Showers and
Patchy Fog
then Mostly
Cloudy
Wednesday
High: 25 °F
Mostly Sunny
Wednesday Night
Low: 10 °F
Increasing
Clouds
Thursday
High: 23 °F
Snow Showers
Likely
Thursday Night
Low: 16 °F
Snow Showers
Likely
Friday
High: 26 °F
Snow Showers
Likely
Friday Night
Low: 19 °F
Snow Showers
Saturday
High: 31 °F
Snow Showers
Likely

Detailed Forecast

This Afternoon

A 50 percent chance of snow showers. Patchy fog after 4pm. Otherwise, mostly cloudy, with a high near 26. West southwest wind around 5 mph becoming calm. Total daytime snow accumulation of less than one inch possible.

Tonight

A 40 percent chance of snow showers, mainly before 10pm. Patchy fog before 10pm. Otherwise, mostly cloudy, with a low around 10. Light north wind increasing to 5 to 9 mph in the evening. New snow accumulation of less than a half inch possible.

Wednesday

Mostly sunny, with a high near 25. Calm wind becoming south southwest around 6 mph in the afternoon.

Wednesday Night

Increasing clouds, with a low around 10. Wind chill values as low as -5. South southwest wind 6 to 10 mph.

Thursday

Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 23. Southwest wind around 10 mph, with gusts as high as 23 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Thursday Night

Snow showers likely, mainly before 11pm. Mostly cloudy, with a low around 16. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 60%.

Friday

Snow showers likely, mainly after 11am. Mostly cloudy, with a high near 26. Southwest wind 8 to 11 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

Friday Night

Snow showers. Low around 19. Chance of precipitation is 90%.

Saturday

Snow showers likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.

Saturday Night

A 40 percent chance of snow showers, mainly before 11pm. Mostly cloudy, with a low around 15.

Sunday

A chance of snow showers. Mostly cloudy, with a high near 31.

Sunday Night

A chance of snow showers. Mostly cloudy, with a low around 20.

Monday

A slight chance of snow showers. Partly sunny, with a high near 32.