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 until December 12, 07:00 AM PST

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

Lat: 48.34694°NLon: 120.72028°WElev: 1230.0ft.

40°F

4°C

Humidity	96%
Wind Speed	NW 0 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Last update	09 Dec 08:01 PM PST

More Information:

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

Extended Forecast for

9 Miles ESE Trinity WA

Flood Watch December 9, 09:09pm until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 09:09pm until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 28 °F⇑
Rain/Snow
Wednesday
High: 37 °F
Heavy Rain
then
Rain/Snow
Wednesday Night
Low: 31 °F
Rain/Snow and
Breezy
Thursday
High: 34 °F
Rain/Snow
then Snow
Likely
Thursday Night
Low: 29 °F
Snow Likely
Friday
High: 35 °F
Snow Likely
then
Rain/Snow
Likely
Friday Night
Low: 31 °F
Chance
Rain/Snow
Saturday
High: 34 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Snow before 10pm, then snow, possibly mixed with rain between 10pm and 1am, then rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 37 by 5am. West wind 5 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.

Wednesday

Rain before 1pm, then rain, possibly mixed with snow. The rain could be heavy at times. High near 37. West wind 14 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Snow, possibly mixed with rain. Low around 31. Breezy, with a west wind 15 to 20 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of less than one inch possible.

Thursday

Snow, possibly mixed with rain, becoming all snow after 7am. High near 34. West wind 11 to 17 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Thursday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 29. Northwest wind around 9 mph. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

Snow likely before 1pm, then rain and snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 31. Chance of precipitation is 50%. Little or no snow accumulation expected.

Saturday

A chance of rain and snow before 10am, then a chance of snow between 10am and 1pm, then a chance of rain and snow after 1pm. Partly sunny, with a high near 34. Chance of precipitation is 30%.

Saturday Night

A chance of rain and snow. Mostly cloudy, with a low around 29. Chance of precipitation is 50%.

Sunday

Snow likely, mainly before 4pm. Mostly cloudy, with a high near 32. Chance of precipitation is 70%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 60%.

Monday

Snow, possibly mixed with rain. The snow could be heavy at times. High near 31. Chance of precipitation is 80%.

Monday Night

Snow. The snow could be heavy at times. Low around 28. Chance of precipitation is 90%.

Tuesday

Snow. The snow could be heavy at times. High near 31. Chance of precipitation is 80%.