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

WEST FORK (WSFM8)

Lat: 45.81556°NLon: 114.25833°WElev: 4420.0ft.

35°F

2°C

Humidity	94%
Wind Speed	NW 0 MPH
Barometer	NA
Dewpoint	33°F (1°C)
Visibility	NA
Last update	09 Dec 10:14 PM MST

More Information:

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

Extended Forecast for

9 Miles W Darby MT

Tonight
Low: 24 °F⇑
Heavy Snow
and Windy
Wednesday
High: 33 °F
Windy. Heavy
Snow then
Rain/Snow
Wednesday Night
Low: 29 °F
Windy. Chance
Rain/Snow
then Chance
Snow
Thursday
High: 34 °F
Rain/Snow and
Windy
Thursday Night
Low: 30 °F
Snow and
Windy
Friday
High: 32 °F
Breezy. Snow
Likely then
Chance Snow
Friday Night
Low: 26 °F
Chance Snow
and Windy
Saturday
High: 28 °F
Chance Snow
and Breezy
then Mostly
Sunny
Saturday Night
Low: 26 °F
Partly Cloudy
and Breezy

Detailed Forecast

Tonight

Snow. The snow could be heavy at times. Temperature rising to around 31 by 5am. Windy, with a southwest wind 15 to 20 mph increasing to 28 to 33 mph after midnight. Winds could gust as high as 43 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.

Wednesday

Snow before 2pm, then a chance of rain and snow. The snow could be heavy at times. High near 33. Windy, with a west southwest wind 31 to 38 mph, with gusts as high as 60 mph. Chance of precipitation is 90%. New snow accumulation of 4 to 8 inches possible.

Wednesday Night

A chance of rain and snow before 11pm, then a chance of snow. Mostly cloudy, with a low around 29. Windy, with a west southwest wind 36 to 41 mph, with gusts as high as 60 mph. Chance of precipitation is 50%. New snow accumulation of 1 to 2 inches possible.

Thursday

Snow likely before 11am, then snow, possibly mixed with rain between 11am and 2pm, then snow after 2pm. High near 34. Windy, with a west southwest wind 35 to 40 mph decreasing to 29 to 34 mph in the afternoon. Winds could gust as high as 60 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow. Low around 30. Windy, with a west southwest wind 28 to 30 mph, with gusts as high as 50 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Friday

Snow likely, mainly before 11am. Mostly cloudy, with a high near 32. Breezy. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday Night

A 30 percent chance of snow, mainly after 11pm. Mostly cloudy, with a low around 26. Windy. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow before 11am. Partly sunny, with a high near 28. Breezy.

Saturday Night

Partly cloudy, with a low around 26. Breezy.

Sunday

A chance of snow. Partly sunny, with a high near 29. Breezy.

Sunday Night

A slight chance of snow. Mostly cloudy, with a low around 26.

Monday

A chance of snow. Partly sunny, with a high near 30.