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

Lolo Pass (ITD28)

Lat: 46.63592°NLon: 114.58037°WElev: 5262.0ft.

31°F

-1°C

Humidity	97%
Wind Speed	ENE 5 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	1.24 mi
Wind Chill	26°F (-3°C)
Last update	09 Dec 06:30 PM MST

More Information:

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

Extended Forecast for

10 Miles NNE Powell ID

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: 31 °F⇑
Heavy Snow
Wednesday
High: 42 °F
Rain
Wednesday Night
Low: 37 °F
Rain
Thursday
High: 41 °F
Rain then
Rain/Snow
Thursday Night
Low: 37 °F
Rain/Snow
Friday
High: 40 °F
Rain/Snow
Friday Night
Low: 31 °F
Chance Rain
then Chance
Rain/Snow
Saturday
High: 39 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Snow, mainly after 10pm. The snow could be heavy at times. Temperature falling to near 31 by 10pm, then rising to around 38 during the remainder of the night. Light southwest wind increasing to 9 to 14 mph in the evening. Winds could gust as high as 32 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 2 to 4 inches possible.

Wednesday

Rain. High near 42. Southwest wind 15 to 18 mph, with gusts as high as 47 mph. Chance of precipitation is 100%. New precipitation amounts between three quarters and one inch possible.

Wednesday Night

Rain. Low around 37. Southwest wind 18 to 20 mph, with gusts as high as 49 mph. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Thursday

Rain before 2pm, then rain, possibly mixed with snow. High near 41. West southwest wind 13 to 18 mph, with gusts as high as 48 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday Night

Rain and snow. Snow level 6400 feet. Low around 37. West southwest wind 6 to 11 mph, with gusts as high as 36 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain and snow, becoming all rain after 2pm. Snow level 6300 feet rising to 7100 feet in the afternoon. High near 40. 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. Snow level 6900 feet lowering to 5900 feet after midnight . Mostly cloudy, with a low around 31. Chance of precipitation is 40%. New snow accumulation of less than a half inch possible.

Saturday

A chance of rain and snow before 8am, then a chance of snow between 8am and 11am, then a slight chance of rain and snow after 11am. Snow level rising to 6100 feet in the afternoon. Partly sunny, with a high near 39.

Saturday Night

A slight chance of rain and snow after 11pm. Snow level 6000 feet lowering to 5500 feet after midnight . Mostly cloudy, with a low around 29.

Sunday

A chance of snow before 11am, then a chance of rain and snow. Snow level rising to 6000 feet in the afternoon. Partly sunny, with a high near 40.

Sunday Night

A chance of rain and snow. Snow level 5600 feet. Mostly cloudy, with a low around 29.

Monday

A chance of rain and snow. Snow level rising to 6300 feet in the afternoon. Mostly cloudy, with a high near 40.

Monday Night

Rain and snow likely. Snow level 6200 feet. Mostly cloudy, with a low around 32.

Tuesday

Rain and snow. Mostly cloudy, with a high near 37.