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.

32°F

0°C

Humidity	NA
Wind Speed	W 27 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	18°F (-8°C)
Last update	NA

More Information:

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

Extended Forecast for

3 Miles NNW Stevens Pass WA

Flood Watch December 8, 11:51pm until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 8, 11:51pm until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Tonight
Low: 31 °F
Rain/Snow and
Breezy
Tuesday
High: 33 °F
Heavy Snow
Tuesday Night
Low: 33 °F⇑
Rain/Snow
Wednesday
High: 41 °F
Rain/Snow
Wednesday Night
Low: 35 °F
Rain/Snow
Thursday
High: 38 °F
Rain/Snow
Thursday Night
Low: 36 °F
Rain/Snow
Likely
Friday
High: 40 °F
Rain/Snow
Likely

Detailed Forecast

Tonight

Rain and snow, becoming all snow after midnight. The rain and snow could be heavy at times. Low around 31. Breezy, with a west wind around 18 mph, with gusts as high as 36 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of 3 to 5 inches possible.

Tuesday

Snow likely before 10am, then snow after 1pm. The snow could be heavy at times. Steady temperature around 33. West wind 6 to 11 mph becoming light southwest in the afternoon. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 1am. The rain and snow could be heavy at times. Temperature falling to near 33 by 8pm, then rising to around 41 during the remainder of the night. Southeast wind 6 to 13 mph becoming west after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Rain before 10am, then rain, possibly mixed with snow. The rain could be heavy at times. High near 41. West wind 10 to 14 mph, with gusts as high as 29 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Wednesday Night

Rain and snow. Low around 35. West wind 11 to 13 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday

Snow, possibly mixed with rain. High near 38. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday Night

Rain and snow likely. Mostly cloudy, with a low around 36. Chance of precipitation is 70%. Little or no snow accumulation expected.

Friday

Rain and snow likely, mainly before 10am. Mostly cloudy, with a high near 40. Chance of precipitation is 60%.

Friday Night

A chance of rain and snow before 7pm, then a chance of rain. Mostly cloudy, with a low around 36. Chance of precipitation is 40%.

Saturday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

Saturday Night

Rain and snow. Low around 33. Chance of precipitation is 80%.