Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Hazardous Weather Conditions

Hydrologic Outlook

Current conditions at

Wallace Viaduct (ITD90)

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

Rain

35°F

2°C

Humidity	100%
Wind Speed	NNE 1 MPH
Barometer	NA
Dewpoint	35°F (2°C)
Visibility	1.24 mi
Last update	07 Dec 10:45 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

Today
High: 34 °F
Rain/Snow
Tonight
Low: 33 °F
Rain/Snow
Monday
High: 40 °F
Rain/Snow
Monday Night
Low: 32 °F
Rain/Snow and
Breezy
Tuesday
High: 35 °F
Rain/Snow
then Snow
Tuesday Night
Low: 31 °F
Heavy Snow
then
Rain/Snow
Wednesday
High: 36 °F
Rain/Snow
Wednesday Night
Low: 30 °F
Rain/Snow
then Snow
Likely
Thursday
High: 30 °F
Snow Likely

Detailed Forecast

Today

Snow before 5pm, then snow, possibly mixed with rain. High near 34. South wind 7 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Rain and snow. Snow level 5300 feet. Low around 33. West wind 13 to 15 mph, with gusts as high as 28 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Monday

Snow, possibly mixed with rain, mainly before 4pm. The snow could be heavy at times. Snow level 5400 feet. High near 40. Southwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Monday Night

Rain, possibly mixed with snow before 7pm, then rain between 7pm and 1am, then rain, possibly mixed with snow after 1am. Snow level 6800 feet lowering to 6100 feet after midnight . Low around 32. Breezy, with a southwest wind 17 to 21 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Tuesday

Rain, possibly mixed with snow, becoming all snow after 7am. High near 35. West wind 10 to 16 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Snow before 1am, then rain and snow. The snow could be heavy at times. Low around 31. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Wednesday

Rain and snow. Snow level 5400 feet. High near 36. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain and snow, becoming all snow after 7pm. Low around 30. Chance of precipitation is 80%.

Thursday

Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 70%.

Thursday Night

Snow likely. Cloudy, with a low around 27. Chance of precipitation is 60%.

Friday

Rain and snow likely. Snow level rising to 5300 feet in the afternoon. Cloudy, with a high near 35. Chance of precipitation is 60%.

Friday Night

A chance of rain and snow. Snow level 5700 feet. Mostly cloudy, with a low around 33. Chance of precipitation is 40%.