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.

34°F

1°C

Humidity	76%
Wind Speed	SE 4 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	NA
Wind Chill	30°F (-1°C)
Last update	10 Dec 06:15 AM MST

More Information:

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

Extended Forecast for

3 Miles WNW Mammoth Hot Springs WY

Winter Storm Warning December 10, 07:20am until December 10, 05:00pm

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning December 10, 07:20am until December 10, 05:00pm
NOW until 5:00pm Wed
Winter Storm Warning
Today
High: 38 °F
Rain/Snow
Likely and
Patchy
Blowing Snow
Tonight
Low: 30 °F
Mostly Cloudy
and Windy
Thursday
High: 35 °F
Partly Sunny
and Windy
then Chance
Snow
Thursday Night
Low: 30 °F
Chance Snow
and Breezy
Friday
High: 34 °F
Chance Snow
and Breezy
Friday Night
Low: 26 °F
Mostly Cloudy
and Windy
Saturday
High: 33 °F
Mostly Sunny
Saturday Night
Low: 21 °F
Partly Cloudy
and Breezy

Detailed Forecast

Today

Snow likely before noon, then a chance of rain and snow. Patchy blowing snow before 10am. Mostly cloudy, with a high near 38. Breezy, with a west southwest wind 10 to 15 mph, with gusts as high as 26 mph. Chance of precipitation is 60%. Total daytime snow accumulation of less than a half inch possible.

Tonight

Mostly cloudy, with a low around 30. Windy, with a south wind 24 to 31 mph, with gusts as high as 37 mph.

Thursday

A 30 percent chance of snow, mainly after 3pm. Mostly cloudy, with a high near 35. Windy, with a southwest wind 20 to 25 mph decreasing to 11 to 16 mph in the morning.

Thursday Night

A 50 percent chance of snow. Mostly cloudy, with a low around 30. Breezy, with a southwest wind 15 to 18 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.

Friday

A 40 percent chance of snow, mainly before 11am. Mostly cloudy, with a high near 34. Breezy, with a southwest wind 9 to 18 mph, with gusts as high as 24 mph. New snow accumulation of less than a half inch possible.

Friday Night

Mostly cloudy, with a low around 26. Windy, with a south southwest wind 20 to 25 mph, with gusts as high as 33 mph.

Saturday

Mostly sunny, with a high near 33. South southwest wind 7 to 13 mph.

Saturday Night

Partly cloudy, with a low around 21. Breezy.

Sunday

Mostly sunny, with a high near 35. Breezy.

Sunday Night

Partly cloudy, with a low around 22. Breezy.

Monday

Mostly sunny, with a high near 33.