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

Stevens Pass - Tye Mill (STS54)

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

29°F

-2°C

Humidity	NA
Wind Speed	W 20 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	16°F (-9°C)
Last update	NA

More Information:

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

Extended Forecast for

13 Miles SSE Stevens Pass WA

Flood Watch December 9, 03:57am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 03:57am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 26 °F
Heavy Snow
and Breezy
Tuesday
High: 33 °F
Chance Snow
and Breezy
then Heavy
Snow
Tuesday Night
Low: 30 °F⇑
Rain/Snow and
Breezy
Wednesday
High: 38 °F
Rain/Snow
Wednesday Night
Low: 32 °F
Rain/Snow and
Breezy
Thursday
High: 34 °F
Heavy Snow
Thursday Night
Low: 32 °F
Snow Likely
Friday
High: 36 °F
Chance
Rain/Snow

Detailed Forecast

Overnight

Snow, mainly before 4am. The snow could be heavy at times. Low around 26. Breezy, with a west wind around 18 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 4 to 8 inches possible.

Tuesday

A chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 33. Breezy, with a west wind 15 to 20 mph decreasing to 5 to 10 mph in the afternoon. Winds could gust as high as 31 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Snow before 9pm, then rain, possibly mixed with snow between 9pm and 1am, then rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 38 by 5am. Breezy, with a southwest wind 8 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Wednesday

Rain before 10am, then rain and snow. The rain could be heavy at times. High near 38. West wind 14 to 16 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow. The snow could be heavy at times. Low around 32. Breezy, with a west wind 16 to 18 mph, with gusts as high as 32 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Thursday

Snow. The snow could be heavy at times. High near 34. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Thursday Night

Snow likely, mainly before 4am. Mostly cloudy, with a low around 32. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Friday

A chance of rain and snow. Mostly cloudy, with a high near 36. Chance of precipitation is 50%.

Friday Night

A chance of rain and snow before 10pm, then a chance of snow. Mostly cloudy, with a low around 31. Chance of precipitation is 40%.

Saturday

A 40 percent chance of snow. Partly sunny, with a high near 36.

Saturday Night

Snow likely. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

Sunday

Snow likely. Mostly cloudy, with a high near 31. Chance of precipitation is 70%.

Sunday Night

Snow likely. Mostly cloudy, with a low around 30. Chance of precipitation is 60%.