Prolonged Atmospheric River in the Pacific Northwest; Snow and High Winds from the Upper Midwest into the Northeast

A prolonged atmospheric river will continue to impact the Pacific Northwest into the Northern Rockies with heavy rainfall, areas of urban and river flooding, landslides, heavy mountain snow, and gusty winds into Thursday. A strong clipper system will bring the threat of heavy snow and high winds across the Upper Midwest/Great Lakes as well as portions of the interior Northeast and Appalachians. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Lost Trail Pass (ITD87)

Lat: 45.69302°NLon: 113.94835°WElev: 7090.0ft.

snow

28°F

-2°C

Humidity	100%
Wind Speed	SSW 7 MPH
Barometer	NA
Dewpoint	28°F (-2°C)
Visibility	0.21 mi
Wind Chill	21°F (-6°C)
Last update	10 Dec 04:15 AM MST

More Information:

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

Extended Forecast for

2 Miles WNW Lost Trail Pass MT

Overnight
Low: 31 °F
Heavy Snow
Wednesday
High: 34 °F
Rain/Snow
then Chance
Rain/Snow
Wednesday Night
Low: 30 °F
Slight Chance
Rain/Snow
then Mostly
Cloudy
Thursday
High: 36 °F
Rain/Snow
Likely
Thursday Night
Low: 32 °F
Snow Likely
Friday
High: 34 °F
Chance Snow
Friday Night
Low: 26 °F
Partly Cloudy
Saturday
High: 34 °F
Mostly Sunny
Saturday Night
Low: 24 °F
Partly Cloudy

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Steady temperature around 31. Southwest wind around 16 mph, with gusts as high as 33 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.

Wednesday

Rain and snow before 2pm, then a slight chance of rain and snow after 5pm. High near 34. Southwest wind 11 to 17 mph, with gusts as high as 43 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Wednesday Night

A slight chance of rain and snow before 7pm. Mostly cloudy, with a low around 30. Southwest wind 15 to 18 mph, with gusts as high as 41 mph. Chance of precipitation is 20%.

Thursday

Rain and snow likely, becoming all snow after 2pm. Mostly cloudy, with a high near 36. West wind 13 to 18 mph, with gusts as high as 43 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Thursday Night

Snow likely. Cloudy, with a low around 32. West southwest wind 11 to 14 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

A 50 percent chance of snow. Mostly cloudy, with a high near 34. New snow accumulation of less than a half inch possible.

Friday Night

Partly cloudy, with a low around 26.

Saturday

Mostly sunny, with a high near 34.

Saturday Night

Partly cloudy, with a low around 24.

Sunday

Mostly sunny, with a high near 34.

Sunday Night

Partly cloudy, with a low around 26.