Heavy Rain and Mountain Snow Lingers in California; Winter Storm Impacting the Great Lakes and Northeast U.S.

An atmospheric river will wind down through today across California with lingering heavy rainfall, heavy mountain snow, and gusty winds. A wintry mix of freezing rain, sleet, and snow will cause hazardous travel conditions for the Great Lakes into the northern Mid-Atlantic and southern New England today through Saturday morning. Areas of tree damage and power outages are possible. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from December 27, 12:00 AM MST until December 27, 02:00 PM MST

Current conditions at

Raynolds Pass MT-87 MP 1.2 (MTRAY)

Lat: 44.72814°NLon: 111.47012°WElev: 6834.0ft.

28°F

-2°C

Humidity	73%
Wind Speed	SSE 19 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Wind Chill	15°F (-9°C)
Last update	26 Dec 08:00 PM MST

More Information:

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

Extended Forecast for

19 Miles NW West Yellowstone MT

Winter Weather Advisory December 27, 12:00am until December 27, 02:00pm

Click here for hazard details and duration

Winter Weather Advisory

Tonight
Low: 22 °F
Snow Likely
and Blowing
Snow
Saturday
High: 22 °F⇓
Snow and
Areas Blowing
Snow
Saturday Night
Low: -2 °F
Slight Chance
Snow then
Mostly Clear
Sunday
High: 14 °F
Sunny
Sunday Night
Low: 2 °F
Mostly Clear
Monday
High: 20 °F
Mostly Sunny
Monday Night
Low: 8 °F
Partly Cloudy
Tuesday
High: 25 °F
Partly Sunny
Tuesday Night
Low: 8 °F
Partly Cloudy

Detailed Forecast

Tonight

Snow likely, mainly after 5am. Widespread blowing snow, mainly after 5am. Mostly cloudy, with a steady temperature around 22. Breezy, with a south southwest wind 20 to 26 mph, with gusts as high as 38 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of around an inch possible.

Saturday

Snow, mainly before 2pm. Areas of blowing snow before 10am. Temperature falling to around 8 by 5pm. Wind chill values as low as -5. Breezy, with a southwest wind 20 to 25 mph becoming northwest 13 to 18 mph in the afternoon. Winds could gust as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 20 percent chance of snow before 11pm. Partly cloudy, with a low around -2. Wind chill values as low as -15. Northwest wind 7 to 11 mph, with gusts as high as 20 mph.

Sunday

Sunny, with a high near 14. Wind chill values as low as -10. Light and variable wind becoming west southwest 5 to 7 mph in the afternoon.

Sunday Night

Mostly clear, with a low around 2. South wind around 6 mph.

Monday

Mostly sunny, with a high near 20. South wind around 7 mph.

Monday Night

Partly cloudy, with a low around 8. South wind around 7 mph.

Tuesday

Partly sunny, with a high near 25. South southeast wind around 7 mph.

Tuesday Night

Partly cloudy, with a low around 8.