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

Hazardous Weather Outlook

Current conditions at

MAMMOTH AT YELLOWSTONE NATIONAL PARK (YLAW4)

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

26°F

-3°C

Humidity	83%
Wind Speed	W 4 MPH
Barometer	NA
Dewpoint	22°F (-6°C)
Visibility	NA
Wind Chill	21°F (-6°C)
Last update	07 Jan 05:15 PM MST

More Information:

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

Extended Forecast for

17 Miles W Gardiner MT

Tonight
Low: 8 °F
Chance Snow
Showers
Thursday
High: 13 °F
Snow Showers
Likely then
Slight Chance
Snow Showers
Thursday Night
Low: 3 °F
Mostly Cloudy
and Breezy
Friday
High: 14 °F
Slight Chance
Snow Showers
Friday Night
Low: 10 °F
Mostly Cloudy
and Breezy
Saturday
High: 22 °F
Mostly Sunny
Saturday Night
Low: 11 °F
Mostly Cloudy
and Breezy
Sunday
High: 24 °F
Partly Sunny
and Breezy
then Partly
Sunny
Sunday Night
Low: 12 °F
Partly Cloudy

Detailed Forecast

Tonight

A chance of snow showers before 11pm, then a chance of snow showers after 2am. Mostly cloudy, with a low around 8. Wind chill values as low as -5. South southwest wind 7 to 10 mph. Chance of precipitation is 40%. Total nighttime snow accumulation of less than a half inch possible.

Thursday

Snow showers likely, mainly before 9am. Partly sunny, with a high near 13. Wind chill values as low as -10. West northwest wind 8 to 13 mph. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Thursday Night

Mostly cloudy, with a low around 3. Wind chill values as low as -15. Breezy, with a west wind around 16 mph.

Friday

A 20 percent chance of snow showers. Mostly cloudy, with a high near 14. Wind chill values as low as -15. West southwest wind around 14 mph, with gusts as high as 21 mph.

Friday Night

Mostly cloudy, with a low around 10. Breezy, with a southwest wind around 15 mph.

Saturday

Mostly sunny, with a high near 22. Southwest wind 10 to 13 mph.

Saturday Night

Mostly cloudy, with a low around 11. Breezy, with a south southwest wind 13 to 15 mph.

Sunday

Partly sunny, with a high near 24. Breezy.

Sunday Night

Partly cloudy, with a low around 12.

Monday

Mostly sunny, with a high near 26.