Lake Effect Snow through Saturday: A Series of Storms Impact the West

Lake effect snow showers will continue through Saturday downwind of Lakes Erie, Ontario and the eastern portion of Lake Superior. A series of storm systems will continue to impact California and the Pacific Northwest through the weekend and into next week, bringing widespread rainfall, mountain snowfall, and gusty winds. Coastal flooding is expected in northern California. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from January 1, 07:00 PM MST until January 2, 12:00 PM MST

Current conditions at

Bearmouth I-90 MP 145.8 (MTBRM)

Lat: 46.71854°NLon: 113.29534°WElev: 3901.0ft.

31°F

-1°C

Humidity	83%
Wind Speed	W 3 MPH
Barometer	NA
Dewpoint	26°F (-3°C)
Visibility	NA
Last update	01 Jan 11:00 PM MST

More Information:

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

Extended Forecast for

5 Miles SSE Greenough MT

Winter Weather Advisory until January 2, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until January 2, 12:00pm
NOW until 12:00pm Fri
Winter Weather Advisory
Tonight
Low: 31 °F
Chance Snow
and Patchy
Fog
Friday
High: 37 °F
Snow Likely
and Patchy
Fog
Friday Night
Low: 30 °F
Mostly Cloudy
Saturday
High: 37 °F
Partly Sunny
then Slight
Chance Rain
Saturday Night
Low: 30 °F
Chance
Rain/Snow
then Chance
Snow
Sunday
High: 38 °F
Chance Snow
Sunday Night
Low: 30 °F
Chance Snow
Monday
High: 35 °F
Chance Snow

Detailed Forecast

Tonight

A 50 percent chance of snow. Patchy fog before 4am, then patchy fog after 5am. Otherwise, cloudy, with a low around 31. West southwest wind 3 to 5 mph. Little or no snow accumulation expected.

Friday

Snow likely, mainly after 11am. Patchy fog between 10am and 11am. Otherwise, mostly cloudy, with a high near 37. West southwest wind around 6 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday Night

Mostly cloudy, with a low around 30. Southwest wind around 6 mph.

Saturday

A 10 percent chance of rain after 5pm. Snow level rising to 6200 feet in the afternoon. Partly sunny, with a high near 37. South southwest wind around 5 mph becoming calm in the morning.

Saturday Night

A slight chance of rain and snow before 8pm, then a chance of snow. Mostly cloudy, with a low around 30. Calm wind becoming south around 6 mph in the evening. Chance of precipitation is 30%. Little or no snow accumulation expected.

Sunday

A 40 percent chance of snow, mainly after 11am. Partly sunny, with a high near 38. Little or no snow accumulation expected.

Sunday Night

A 40 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 30. Little or no snow accumulation expected.

Monday

A chance of snow. Mostly cloudy, with a high near 35.

Monday Night

A chance of snow. Mostly cloudy, with a low around 28.

Tuesday

A slight chance of snow. Mostly cloudy, with a high near 33.

Tuesday Night

A slight chance of snow. Mostly cloudy, with a low around 28.