Tracking Atmospheric River in the Northwest U.S. and Clipper with Winter Weather in the Northeast U.S.

A prolonged atmospheric river will continue to bring gusty winds, heavy rainfall which may lead to urban and river flooding with possible landslides, and heavy inter-mountain snow over the Pacific Northwest into the northern Rockies through Thursday. A clipper will cross the Great Lakes and Northeast U.S. into Thursday with areas of moderate to heavy snow and mixed wintry precipitation. Read More >

Hazardous Weather Conditions

Flood Watch until December 12, 04:00 PM PST

Current conditions at

Wallace Viaduct (ITD90)

Lat: 47.47432°NLon: 115.90816°WElev: 2792.0ft.

Rain

39°F

4°C

Humidity	100%
Wind Speed	E 1 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	1.24 mi
Last update	10 Dec 07:15 AM PST

More Information:

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

Extended Forecast for

10 Miles SW Lookout Pass MT

Flood Watch December 10, 07:40am until December 12, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 10, 07:40am until December 12, 04:00pm
NOW until 4:00pm Fri
Flood Watch
Today
High: 42 °F
Heavy Rain
and Dense Fog
Tonight
Low: 42 °F
Rain and
Breezy
Thursday
High: 41 °F⇓
Rain then
Rain/Snow
Thursday Night
Low: 38 °F
Rain/Snow
Friday
High: 39 °F
Rain/Snow
Friday Night
Low: 36 °F
Chance Rain
then Chance
Rain/Snow
Saturday
High: 39 °F
Chance
Rain/Snow
then Slight
Chance Rain
Saturday Night
Low: 35 °F
Slight Chance
Rain

Detailed Forecast

Today

Rain. The rain could be heavy at times. Widespread dense fog, mainly between 8am and 9am. High near 42. Breezy, with a southwest wind 14 to 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Tonight

Rain. Steady temperature around 42. Breezy, with a southwest wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain before 1pm, then rain, possibly mixed with snow. Snow level 7100 feet lowering to 6100 feet in the afternoon . Temperature falling to around 38 by 2pm. West wind 13 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain and snow. Snow level 5300 feet. Low around 38. West wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday

Rain and snow. Snow level 6000 feet. High near 39. Southwest wind 8 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Friday Night

A chance of rain before 1am, then a chance of rain and snow. Snow level 6200 feet. Cloudy, with a low around 36. Chance of precipitation is 50%. Little or no snow accumulation expected.

Saturday

A chance of rain and snow before 7am, then a chance of rain between 7am and 4pm. Snow level 5600 feet. Mostly cloudy, with a high near 39. Chance of precipitation is 40%. Little or no snow accumulation expected.

Saturday Night

A 20 percent chance of rain after 10pm. Snow level 5700 feet. Mostly cloudy, with a low around 35.

Sunday

A chance of rain and snow. Snow level 5400 feet. Mostly cloudy, with a high near 39. Chance of precipitation is 50%.

Sunday Night

A chance of rain and snow. Snow level 5500 feet. Mostly cloudy, with a low around 36. Chance of precipitation is 50%.

Monday

Rain and snow likely. Snow level 5700 feet. Mostly cloudy, with a high near 39. Chance of precipitation is 70%.

Monday Night

Rain, possibly mixed with snow. Snow level 6000 feet. Low around 35. Chance of precipitation is 90%.

Tuesday

Rain and snow. Snow level 4800 feet. High near 37. Chance of precipitation is 90%.