Prolonged Atmospheric River in the Northwest; Snow in the North-Central US

A prolonged atmospheric river will bring heavy rainfall which may lead to widespread urban and river flooding, heavy mountain snow, along with gusty winds to the Pacific Northwest into the northern Rockies through much of the week. A clipper will bring a period of snow across the upper Midwest and the Great Lakes into Tuesday, before a stronger system bring more wintry impacts. Read More >

Hazardous Weather Conditions

Flood Watch until December 11, 04:00 PM PST

Current conditions at

STEHEKIN-AIRSTRIP (STRW1)

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

39°F

4°C

Humidity	99%
Wind Speed	NNW 0 MPH
Barometer	NA
Dewpoint	39°F (4°C)
Visibility	NA
Last update	08 Dec 09:01 PM PST

More Information:

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

Extended Forecast for

5 Miles WNW Trinity WA

Flood Watch December 8, 10:07pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 8, 10:07pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 22 °F
Heavy Snow
and Windy
Tuesday
High: 25 °F
Chance Snow
and Breezy
then Snow
Likely
Tuesday Night
Low: 25 °F⇑
Heavy Snow
then
Rain/Snow and
Breezy
Wednesday
High: 32 °F
Heavy Snow
and Breezy
Wednesday Night
Low: 26 °F
Heavy Snow
and Breezy
Thursday
High: 29 °F
Heavy Snow
and Breezy
Thursday Night
Low: 26 °F
Snow Likely
Friday
High: 30 °F
Snow Likely

Detailed Forecast

Tonight

Snow, mainly before 4am. The snow could be heavy at times. Low around 22. Windy, with a west wind 32 to 34 mph, with gusts as high as 55 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 10 to 14 inches possible.

Tuesday

A chance of snow before 10am, then snow likely after 1pm. Mostly cloudy, with a steady temperature around 25. Breezy, with a west wind 18 to 23 mph decreasing to 8 to 13 mph in the afternoon. Winds could gust as high as 37 mph. Chance of precipitation is 60%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow before 1am, then snow, possibly mixed with rain. The rain and snow could be heavy at times. Temperature rising to around 33 by 2am. Breezy, with a south wind 9 to 18 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

Wednesday

Snow. The snow could be heavy at times. High near 32. Breezy, with a west wind 17 to 22 mph. Chance of precipitation is 100%. New snow accumulation of 10 to 16 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 26. Breezy, with a west wind around 21 mph. Chance of precipitation is 90%. New snow accumulation of 9 to 13 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 29. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 26. Chance of precipitation is 60%. New snow accumulation of less than one inch possible.

Friday

Snow likely. Mostly cloudy, with a high near 30. Chance of precipitation is 60%.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 27.

Saturday

Snow likely, mainly after 4pm. Mostly cloudy, with a high near 29. Chance of precipitation is 60%.

Saturday Night

Snow. Low around 25. Chance of precipitation is 80%.