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

SHENANGO (SGOM8)

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

32°F

0°C

Humidity	61%
Wind Speed	N 1 MPH
Barometer	NA
Dewpoint	20°F (-7°C)
Visibility	NA
Last update	27 Dec 12:39 AM MST

More Information:

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

Extended Forecast for

7 Miles SW Gallatin Gateway MT

Winter Weather Advisory December 27, 01:10am until December 27, 02:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory December 27, 01:10am until December 27, 02:00pm
NOW until 2:00pm Sat
Winter Weather Advisory
Overnight
Low: 28 °F
Snow Likely
and Patchy
Blowing Snow
Saturday
High: 24 °F⇓
Snow Likely
and Patchy
Blowing Snow
Saturday Night
Low: 1 °F
Decreasing
Clouds
Sunday
High: 18 °F
Sunny
Sunday Night
Low: 10 °F
Mostly Clear
Monday
High: 32 °F
Mostly Sunny
Monday Night
Low: 20 °F
Mostly Cloudy
Tuesday
High: 36 °F
Partly Sunny

Detailed Forecast

Overnight

Snow likely, mainly after 5am. Patchy blowing snow after 5am. Increasing clouds, with a steady temperature around 28. Breezy, with a southwest wind around 22 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 likely, mainly before 9am. Patchy blowing snow before 8am. Mostly cloudy, with a temperature falling to around 15 by 5pm. Wind chill values as low as -5. West northwest wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

Mostly cloudy, then gradually becoming clear, with a low around 1. Wind chill values as low as -10. West northwest wind 7 to 9 mph becoming south southwest after midnight.

Sunday

Sunny, with a high near 18. Wind chill values as low as -10. South southwest wind around 8 mph becoming west northwest in the afternoon.

Sunday Night

Mostly clear, with a low around 10. South southwest wind 8 to 10 mph.

Monday

Mostly sunny, with a high near 32. West southwest wind 7 to 10 mph.

Monday Night

Mostly cloudy, with a low around 20. South southwest wind around 10 mph.

Tuesday

Partly sunny, with a high near 36. South southwest wind 7 to 10 mph.

Tuesday Night

Partly cloudy, with a low around 25.