Heavy Snow in the Cascades and Northern Rockies; Wintry Mix in the Northeast; High Winds in Southern California

Two more cold fronts will pass through the Northwest U.S. this week with heavy mountain snow continuing across the Cascades, and northern Rockies. A quick moving storm system will bring mixed precipitation including some freezing rain across the Northeast U.S. today. High winds could blow down trees and power lines in the mountains of southern California this evening through Thursday. 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	68%
Wind Speed	SSW 14 MPH
Barometer	NA
Dewpoint	24°F (-4°C)
Visibility	NA
Wind Chill	25°F (-4°C)
Last update	07 Jan 09:15 AM MST

More Information:

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

Extended Forecast for

Mammoth WY

Winter Weather Advisory January 7, 10:22am until January 7, 05:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory January 7, 10:22am until January 7, 05:00pm
NOW until 5:00pm Wed
Winter Weather Advisory
Today
High: 36 °F
Snow Showers
Likely and
Breezy
Tonight
Low: 20 °F
Scattered
Snow Showers
Thursday
High: 29 °F
Chance Snow
Showers
Thursday Night
Low: 11 °F
Partly Cloudy
Friday
High: 28 °F
Slight Chance
Snow Showers
Friday Night
Low: 16 °F
Mostly Cloudy
Saturday
High: 34 °F
Mostly Sunny
Saturday Night
Low: 15 °F
Partly Cloudy

Detailed Forecast

Today

Snow showers likely, mainly before 2pm. Mostly sunny, with a high near 36. Breezy, with a west southwest wind 9 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. Total daytime snow accumulation of less than one inch possible.

Tonight

Scattered snow showers, mainly before 11pm. Mostly cloudy, with a low around 20. South southwest wind 5 to 7 mph becoming southeast after midnight. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Thursday

A 40 percent chance of snow showers. Cloudy, then gradually becoming mostly sunny, with a high near 29. West northwest wind 5 to 9 mph. Little or no snow accumulation expected.

Thursday Night

Partly cloudy, with a low around 11. West southwest wind around 7 mph.

Friday

A 20 percent chance of snow showers. Mostly cloudy, with a high near 28. West southwest wind 7 to 9 mph, with gusts as high as 20 mph.

Friday Night

Mostly cloudy, with a low around 16. Southwest wind 6 to 8 mph.

Saturday

Mostly sunny, with a high near 34. South southwest wind around 6 mph.

Saturday Night

Partly cloudy, with a low around 15.

Sunday

Mostly sunny, with a high near 38.