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

Flood Watch in effect from December 8, 05:00 PM MST until December 11, 05:00 PM MST

Current conditions at

Mullan Pass, Mullan Pass Vor (KMLP)

Lat: 47.45417°NLon: 115.66972°WElev: 6001.0ft.

Overcast

27°F

-3°C

Humidity	92%
Wind Speed	N 0 MPH
Barometer	30.07 in (1018.29 mb)
Dewpoint	25°F (-4°C)
Visibility	10.00 mi
Last update	09 Dec 07:35 PM MST

More Information:

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

Extended Forecast for

3 Miles NNW Lookout Pass MT

Flood Watch until December 11, 05:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch until December 11, 05:00pm
NOW until 5:00pm Thu
Flood Watch
Tonight
Low: 30 °F⇑
Snow
Wednesday
High: 42 °F
Rain and
Breezy
Wednesday Night
Low: 38 °F
Rain and
Breezy
Thursday
High: 39 °F
Rain and
Breezy then
Rain/Snow
Thursday Night
Low: 37 °F
Rain/Snow
Friday
High: 39 °F
Rain/Snow
Friday Night
Low: 33 °F
Chance Rain
then Chance
Rain/Snow
Saturday
High: 37 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Snow, mainly after 10pm. Temperature rising to around 37 by 5am. Light south southwest wind becoming southwest 8 to 13 mph after midnight. Winds could gust as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

Wednesday

Rain. High near 42. Breezy, with a west southwest wind 21 to 24 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 38. Breezy, with a southwest wind around 23 mph, with gusts as high as 50 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Thursday

Rain before 2pm, then rain, possibly mixed with snow. High near 39. Breezy, with a west southwest wind 15 to 23 mph, with gusts as high as 49 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain and snow. Snow level 5400 feet. Low around 37. West southwest wind 5 to 14 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Rain and snow, becoming all rain after 2pm. Snow level 5200 feet rising to 6700 feet in the afternoon. High near 39. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday Night

A chance of rain before 2am, then a chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%. Little or no snow accumulation expected.

Saturday

A chance of rain and snow. Snow level 5500 feet. Mostly cloudy, with a high near 37.

Saturday Night

A chance of rain and snow, mainly after 11pm. Snow level 5600 feet. Mostly cloudy, with a low around 32.

Sunday

A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a high near 37.

Sunday Night

A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a low around 33.

Monday

Rain and snow. Snow level 5700 feet. Mostly cloudy, with a high near 38.

Monday Night

Rain and snow. Snow level 5900 feet. Cloudy, with a low around 34.