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

Current conditions at

Stevens Pass - Tye Mill (STS54)

Lat: 47.73163°NLon: 121.0853°WElev: 5180.0ft.

32°F

0°C

Humidity	NA
Wind Speed	WNW 18 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	21°F (-6°C)
Last update	NA

More Information:

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

Extended Forecast for

14 Miles WSW Trinity WA

Flood Watch December 8, 07:00am until December 9, 04:00am

Click here for hazard details and duration

Flood Watch

Overnight
Low: 31 °F
Snow
Monday
High: 36 °F
Rain/Snow
Monday Night
Low: 28 °F
Breezy.
Rain/Snow
then Heavy
Snow
Tuesday
High: 31 °F
Heavy Snow
Tuesday Night
Low: 28 °F
Heavy Snow
then
Rain/Snow
Wednesday
High: 34 °F
Rain/Snow
then Heavy
Snow
Wednesday Night
Low: 31 °F
Heavy Snow
Thursday
High: 34 °F
Heavy Snow
then
Rain/Snow
Thursday Night
Low: 33 °F
Rain/Snow

Detailed Forecast

Overnight

Snow, mainly before 4am. Low around 31. West wind around 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 1pm. The rain and snow could be heavy at times. High near 36. Southwest wind 9 to 13 mph, with gusts as high as 24 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Monday Night

Rain, possibly mixed with snow, becoming all snow after 11pm. The rain and snow could be heavy at times. Low around 28. Breezy, with a west wind around 21 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Tuesday

Snow. The snow could be heavy at times. High near 31. West wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow before 1am, then rain, possibly mixed with snow. The rain and snow could be heavy at times. Low around 28. West wind 8 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 5 to 9 inches possible.

Wednesday

Rain and snow, becoming all snow after 10am. The rain and snow could be heavy at times. High near 34. Chance of precipitation is 100%. New snow accumulation of 8 to 12 inches possible.

Wednesday Night

Snow. The snow could be heavy at times. Low around 31. Chance of precipitation is 90%. New snow accumulation of 8 to 12 inches possible.

Thursday

Snow before 1pm, then rain and snow. The snow could be heavy at times. High near 34. Chance of precipitation is 90%.

Thursday Night

Rain, possibly mixed with snow. Low around 33. Chance of precipitation is 80%.

Friday

Rain likely, possibly mixed with snow before 1pm, then a chance of rain. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.

Friday Night

A 50 percent chance of rain. Mostly cloudy, with a low around 32.

Saturday

Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 36. Chance of precipitation is 60%.