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.

39°F

4°C

Humidity	NA
Wind Speed	S 3 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Last update	NA

More Information:

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

Extended Forecast for

8 Miles ENE Stevens Pass WA

Flood Watch December 8, 06:10pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 8, 06:10pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 36 °F
Rain/Snow
Tuesday
High: 44 °F
Chance Snow
then
Rain/Snow
Tuesday Night
Low: 38 °F⇑
Rain/Snow
then Heavy
Rain
Wednesday
High: 49 °F
Heavy Rain
Wednesday Night
Low: 40 °F
Rain
Thursday
High: 46 °F
Rain/Snow
Thursday Night
Low: 41 °F
Rain/Snow
Likely
Friday
High: 49 °F
Chance
Rain/Snow
then Chance
Rain

Detailed Forecast

Tonight

Snow, possibly mixed with rain, becoming all snow after 3am. The rain could be heavy at times. Low around 36. West wind 14 to 16 mph, with gusts as high as 34 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than a half inch possible.

Tuesday

Snow, possibly mixed with rain. High near 44. West wind 5 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 10pm. The rain could be heavy at times. Temperature falling to near 38 by 8pm, then rising to around 46 during the remainder of the night. Light and variable wind becoming west 5 to 10 mph in the evening. Winds could gust as high as 24 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday

Rain. The rain could be heavy at times. High near 49. West wind 10 to 13 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New precipitation amounts between 1 and 2 inches possible.

Wednesday Night

Rain. Low around 40. West wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

Thursday

Rain before 10am, then rain, possibly mixed with snow between 10am and 1pm, then rain after 1pm. High near 46. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain likely before 7pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a low around 41. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday

A chance of rain and snow before 10am, then a chance of rain. Mostly cloudy, with a high near 49. Chance of precipitation is 50%.

Friday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 41.

Saturday

Rain likely, mainly after 4pm. Partly sunny, with a high near 48. Chance of precipitation is 60%.

Saturday Night

Rain. Low around 39. Chance of precipitation is 80%.

Sunday

Rain, possibly mixed with snow. High near 45. Chance of precipitation is 80%.

Sunday Night

Rain and snow likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%.