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

15 Miles N Stevens Pass WA

Flood Watch December 9, 04:12am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 04:12am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 27 °F
Chance Snow
Tuesday
High: 30 °F
Chance Snow
then Heavy
Snow
Tuesday Night
Low: 29 °F⇑
Rain/Snow
Wednesday
High: 38 °F
Rain/Snow
Wednesday Night
Low: 31 °F
Rain/Snow
Thursday
High: 33 °F
Rain/Snow
then Snow
Thursday Night
Low: 31 °F
Snow then
Rain/Snow
Likely
Friday
High: 35 °F
Rain/Snow
Likely

Detailed Forecast

Overnight

A 50 percent chance of snow. Mostly cloudy, with a low around 27. West wind around 17 mph, with gusts as high as 26 mph. Total nighttime snow accumulation of 3 to 7 inches possible.

Tuesday

A chance of snow before 10am, then snow after 1pm. The snow could be heavy at times. High near 30. West wind 6 to 14 mph becoming east in the afternoon. Winds could gust as high as 22 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 38 by 5am. East wind 9 to 17 mph becoming west after midnight. Chance of precipitation is 100%. New snow accumulation of 3 to 5 inches possible.

Wednesday

Rain before 10am, then rain and snow. The rain could be heavy at times. High near 38. West wind 10 to 15 mph. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

Wednesday Night

Rain, possibly mixed with snow. The rain could be heavy at times. Low around 31. West wind 14 to 16 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Thursday

Rain and snow, becoming all snow after 10am. The rain could be heavy at times. High near 33. Chance of precipitation is 90%. New snow accumulation of 3 to 5 inches possible.

Thursday Night

Snow before 1am, then rain likely, possibly mixed with snow. Low around 31. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Friday

Rain and snow likely. Mostly cloudy, with a high near 35. Chance of precipitation is 70%.

Friday Night

A chance of rain and snow. Mostly cloudy, with a low around 33. Chance of precipitation is 50%.

Saturday

Rain and snow likely, mainly after 4pm. Mostly cloudy, with a high near 35. Chance of precipitation is 60%.

Saturday Night

Rain and snow. Low around 29. Chance of precipitation is 80%.

Sunday

Snow. High near 31. Chance of precipitation is 80%.

Sunday Night

Snow. Low around 30. Chance of precipitation is 80%.