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	98%
Wind Speed	NW 2 MPH
Barometer	NA
Dewpoint	38°F (3°C)
Visibility	NA
Last update	09 Dec 02:01 AM PST

More Information:

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

Extended Forecast for

5 Miles ESE Trinity WA

Flood Watch December 9, 02:51am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 02:51am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 24 °F
Heavy Snow
and Windy
Tuesday
High: 28 °F
Chance Snow
and Breezy
Tuesday Night
Low: 26 °F⇑
Heavy Snow
then
Rain/Snow
Wednesday
High: 35 °F
Rain/Snow and
Breezy then
Heavy Snow
Wednesday Night
Low: 29 °F
Heavy Snow
and Breezy
Thursday
High: 32 °F
Heavy Snow
and Breezy
Thursday Night
Low: 28 °F
Snow Likely
Friday
High: 33 °F
Chance Snow

Detailed Forecast

Overnight

Snow, mainly before 4am. The snow could be heavy at times. Low around 24. Windy, with a west wind around 28 mph, with gusts as high as 45 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 4 to 8 inches possible.

Tuesday

A slight chance of snow before 7am, then a chance of snow after 1pm. Increasing clouds, with a high near 28. Breezy, with a southwest wind 16 to 21 mph decreasing to 6 to 11 mph in the afternoon. Winds could gust as high as 32 mph. Chance of precipitation is 30%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow before 2am, then rain and snow. The rain and snow could be heavy at times. Temperature rising to around 36 by 5am. South wind 8 to 17 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Wednesday

Rain, possibly mixed with snow, becoming all snow after 10am. The rain and snow could be heavy at times. High near 35. Breezy, with a west wind 14 to 18 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 29. Breezy, with a west wind around 18 mph. Chance of precipitation is 90%. New snow accumulation of 6 to 10 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 32. Breezy. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely, mainly before 10pm. Mostly cloudy, with a low around 28. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Friday

A 50 percent chance of snow. Mostly cloudy, with a high near 33.

Friday Night

A 40 percent chance of snow, mainly before 4am. Mostly cloudy, with a low around 29.

Saturday

A 40 percent chance of snow, mainly after 10am. Partly sunny, with a high near 32.

Saturday Night

Snow likely. Mostly cloudy, with a low around 27. Chance of precipitation is 70%.

Sunday

Snow likely. Mostly cloudy, with a high near 28. Chance of precipitation is 70%.

Sunday Night

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