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

13 Miles W Darby MT

Tonight
Low: 30 °F⇑
Rain/Snow
Wednesday
High: 40 °F
Heavy Rain
and Breezy
Wednesday Night
Low: 35 °F
Breezy. Rain
Likely then
Chance
Rain/Snow
Thursday
High: 41 °F
Rain/Snow and
Breezy
Thursday Night
Low: 36 °F
Rain/Snow and
Breezy
Friday
High: 39 °F
Rain/Snow
Likely
Friday Night
Low: 30 °F
Chance
Rain/Snow
Saturday
High: 39 °F
Chance Snow
then Slight
Chance
Rain/Snow
Saturday Night
Low: 29 °F
Partly Cloudy

Detailed Forecast

Tonight

Rain, possibly mixed with snow. The snow could be heavy at times. Temperature rising to around 36 by 5am. Southwest wind 8 to 17 mph, with gusts as high as 39 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 7 inches possible.

Wednesday

Rain, mainly before 2pm. The rain could be heavy at times. High near 40. Breezy, with a west southwest wind 25 to 29 mph, with gusts as high as 55 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain likely before 2am, then a chance of rain and snow between 2am and 5am, then a chance of rain after 5am. Mostly cloudy, with a low around 35. Breezy, with a west southwest wind 23 to 25 mph, with gusts as high as 49 mph. Chance of precipitation is 60%. Little or no snow accumulation expected.

Thursday

Rain before 8am, then rain, possibly mixed with snow. High near 41. Breezy, with a west southwest wind around 25 mph, with gusts as high as 49 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain and snow. Low around 36. Breezy, with a west southwest wind 21 to 26 mph decreasing to 14 to 19 mph in the evening. Winds could gust as high as 44 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Rain and snow likely before 2pm, then a chance of rain. Mostly cloudy, with a high near 39. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday Night

A slight chance of rain before 11pm, then a chance of rain and snow between 11pm and 2am, then a chance of snow after 2am. Mostly cloudy, with a low around 30. Chance of precipitation is 30%. New snow accumulation of less than a half inch possible.

Saturday

A chance of snow before 2pm, then a slight chance of rain and snow. Partly sunny, with a high near 39.

Saturday Night

Partly cloudy, with a low around 29.

Sunday

A chance of snow before 2pm, then a chance of rain and snow. Partly sunny, with a high near 39.

Sunday Night

A chance of rain and snow. Mostly cloudy, with a low around 30.

Monday

A chance of rain and snow. Partly sunny, with a high near 39.

Monday Night

Rain and snow. Mostly cloudy, with a low around 31.