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, 03:48am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 03:48am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 25 °F
Heavy Snow
and Breezy
Tuesday
High: 31 °F
Chance Snow
and Breezy
then Heavy
Snow
Tuesday Night
Low: 27 °F⇑
Rain/Snow and
Breezy
Wednesday
High: 37 °F
Rain/Snow and
Breezy
Wednesday Night
Low: 30 °F
Rain/Snow and
Breezy
Thursday
High: 33 °F
Heavy Snow
and Breezy
Thursday Night
Low: 31 °F
Snow Likely
Friday
High: 34 °F
Chance Snow

Detailed Forecast

Overnight

Snow, mainly before 4am. The snow could be heavy at times. Low around 25. Breezy, with a west wind around 23 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 5 to 9 inches possible.

Tuesday

A chance of snow before 7am, then snow after 1pm. The snow could be heavy at times. High near 31. Breezy, with a west 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 80%. New snow accumulation of 1 to 3 inches possible.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature rising to around 36 by 5am. Breezy, with a west wind 10 to 15 mph increasing to 18 to 23 mph after midnight. Winds could gust as high as 32 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Wednesday

Rain before 9am, then rain and snow. The rain could be heavy at times. High near 37. Breezy, with a west wind 16 to 21 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Wednesday Night

Rain and snow. The snow could be heavy at times. Low around 30. Breezy, with a west wind around 22 mph, with gusts as high as 31 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Thursday

Snow. The snow could be heavy at times. High near 33. Breezy. Chance of precipitation is 90%. New snow accumulation of 3 to 7 inches possible.

Thursday Night

Snow likely. Mostly cloudy, with a low around 31. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Friday

A 50 percent chance of snow. Mostly cloudy, with a high near 34.

Friday Night

A 40 percent chance of snow. Mostly cloudy, with a low around 30.

Saturday

Snow likely, mainly after 4pm. Partly sunny, with a high near 35. Chance of precipitation is 60%.

Saturday Night

Snow likely. Mostly cloudy, with a low around 28. Chance of precipitation is 70%.