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 until December 27, 02:00 PM MST

Current conditions at

EW9980 West Yellowstone (E9980)

Lat: 44.78167°NLon: 111.13833°WElev: 6565.0ft.

28°F

-2°C

Humidity	73%
Wind Speed	SSW 12 MPH
Barometer	29.62 in (1003.05 mb)
Dewpoint	20°F (-7°C)
Visibility	NA
Wind Chill	18°F (-8°C)
Last update	27 Dec 05:30 AM MST

More Information:

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

Extended Forecast for

12 Miles NW West Yellowstone MT

Winter Weather Advisory December 27, 05:53am until December 27, 02:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 27, 05:53am until December 27, 02:00pm
NOW until 2:00pm Sat
Winter Weather Advisory
Overnight
Low: 24 °F
Snow and
Areas Blowing
Snow
Saturday
High: 26 °F⇓
Snow and
Areas Blowing
Snow then
Snow Likely
Saturday Night
Low: -4 °F
Slight Chance
Snow then
Clear
Sunday
High: 15 °F
Sunny
Sunday Night
Low: 1 °F
Mostly Clear
Monday
High: 24 °F
Mostly Sunny
Monday Night
Low: 10 °F
Partly Cloudy
Tuesday
High: 29 °F
Partly Sunny

Detailed Forecast

Overnight

Snow. Areas of blowing snow. Steady temperature around 24. Breezy, with a southwest wind around 26 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 2 inches possible.

Saturday

Snow, mainly before 3pm. Areas of blowing snow before 11am. Temperature falling to around 12 by 5pm. Wind chill values as low as zero. Breezy, with a southwest wind 13 to 23 mph becoming west northwest in the afternoon. Winds could gust as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 20 percent chance of snow before 8pm. Mostly clear, with a low around -4. Wind chill values as low as -15. West northwest wind 6 to 13 mph, with gusts as high as 18 mph.

Sunday

Sunny, with a high near 15. Wind chill values as low as -15. West northwest wind 5 to 7 mph becoming south southeast in the morning.

Sunday Night

Mostly clear, with a low around 1. South southwest wind 3 to 6 mph.

Monday

Mostly sunny, with a high near 24. Light south southwest wind.

Monday Night

Partly cloudy, with a low around 10. Light south southwest wind.

Tuesday

Partly sunny, with a high near 29. Calm wind.

Tuesday Night

Partly cloudy, with a low around 12.