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

SHENANGO (SGOM8)

Lat: 45.45964°NLon: 111.24447°WElev: 5391.0ft.

38°F

3°C

Humidity	37%
Wind Speed	ENE 3 MPH
Barometer	NA
Dewpoint	14°F (-10°C)
Visibility	NA
Last update	26 Dec 08:39 PM MST

More Information:

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

Extended Forecast for

11 Miles SSW Gallatin Gateway 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: 25 °F
Mostly Clear
then Snow
Likely and
Patchy
Blowing Snow
Saturday
High: 21 °F⇓
Snow and
Patchy
Blowing Snow
Saturday Night
Low: 3 °F
Slight Chance
Snow then
Partly Cloudy
Sunday
High: 17 °F
Sunny
Sunday Night
Low: 10 °F
Mostly Clear
Monday
High: 30 °F
Sunny
Monday Night
Low: 20 °F
Mostly Cloudy
Tuesday
High: 35 °F
Partly Sunny
Tuesday Night
Low: 23 °F
Partly Cloudy

Detailed Forecast

Tonight

Snow likely, mainly after 5am. Patchy blowing snow after 5am. Increasing clouds, with a steady temperature around 25. South southwest wind 16 to 21 mph, with gusts as high as 32 mph. Chance of precipitation is 60%. Total nighttime snow accumulation of less than a half inch possible.

Saturday

Snow. Patchy blowing snow before 7am. Temperature falling to around 9 by 5pm. Wind chill values as low as zero. West wind 8 to 18 mph, with gusts as high as 28 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. Mostly cloudy, then gradually becoming mostly clear, with a low around 3. Wind chill values as low as -5. Northwest wind around 5 mph becoming calm in the evening.

Sunday

Sunny, with a high near 17. Wind chill values as low as -5. West southwest wind 3 to 6 mph.

Sunday Night

Mostly clear, with a low around 10. South southwest wind around 6 mph.

Monday

Sunny, with a high near 30. South southwest wind around 7 mph.

Monday Night

Mostly cloudy, with a low around 20. South southwest wind around 7 mph.

Tuesday

Partly sunny, with a high near 35. South southwest wind around 6 mph.

Tuesday Night

Partly cloudy, with a low around 23.