Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

40°F

4°C

Humidity	66%
Wind Speed	SSW 9 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	NA
Wind Chill	34°F (1°C)
Last update	10 Dec 10:15 AM MST

More Information:

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

Extended Forecast for

3 Miles SSW Mammoth Hot Springs WY

Winter Storm Warning December 10, 10:39am until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 10, 10:39am until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Storm Warning
Today
High: 38 °F
Breezy.
Chance
Rain/Snow
then Slight
Chance
Showers
Tonight
Low: 30 °F
Mostly Cloudy
and Breezy
Thursday
High: 37 °F
Chance Snow
and Breezy
Thursday Night
Low: 30 °F
Chance Snow
Friday
High: 37 °F
Chance Snow
and Breezy
then Slight
Chance Snow
Friday Night
Low: 24 °F
Mostly Cloudy
and Breezy
Saturday
High: 36 °F
Mostly Sunny
Saturday Night
Low: 16 °F
Partly Cloudy

Detailed Forecast

Today

A chance of rain and snow showers before noon, then a slight chance of rain showers between noon and 2pm. Snow level 7500 feet rising to 8300 feet in the afternoon. Mostly cloudy, with a high near 38. Breezy, with a southwest wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.

Tonight

Mostly cloudy, with a low around 30. Breezy, with a southwest wind 21 to 23 mph, with gusts as high as 41 mph.

Thursday

A 30 percent chance of snow, mainly after 2pm. Partly sunny, with a high near 37. Breezy, with a southwest wind 13 to 22 mph, with gusts as high as 36 mph.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 30. Southwest wind around 14 mph, with gusts as high as 28 mph. New snow accumulation of less than one inch possible.

Friday

A 50 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 37. Breezy, with a southwest wind 13 to 17 mph, with gusts as high as 29 mph. New snow accumulation of less than a half inch possible.

Friday Night

Mostly cloudy, with a low around 24. Breezy, with a southwest wind 15 to 21 mph, with gusts as high as 40 mph.

Saturday

Mostly sunny, with a high near 36. South southwest wind 8 to 11 mph, with gusts as high as 20 mph.

Saturday Night

Partly cloudy, with a low around 16.

Sunday

Sunny, with a high near 38.

Sunday Night

Partly cloudy, with a low around 20.

Monday

Mostly sunny, with a high near 37.