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.

30°F

-1°C

Humidity	NA
Wind Speed	W 15 MPH
Barometer	NA
Dewpoint	N/A
Visibility	NA
Wind Chill	19°F (-7°C)
Last update	NA

More Information:

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

Extended Forecast for

4 Miles NE Stevens Pass WA

Flood Watch December 9, 02:18am until December 11, 04:00pm

Click here for hazard details and duration

Flood Watch

Flood Watch December 9, 02:18am until December 11, 04:00pm
NOW until 4:00pm Thu
Flood Watch
Overnight
Low: 35 °F
Heavy Snow
Tuesday
High: 39 °F
Chance Snow
then
Rain/Snow
Tuesday Night
Low: 34 °F⇑
Rain/Snow
then Heavy
Rain
Wednesday
High: 45 °F
Heavy Rain
Wednesday Night
Low: 37 °F
Rain/Snow
Thursday
High: 42 °F
Rain/Snow
Thursday Night
Low: 36 °F
Rain/Snow
Likely
Friday
High: 44 °F
Rain Likely

Detailed Forecast

Overnight

Snow, mainly before 4am. The snow could be heavy at times. Steady temperature around 35. West wind around 8 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of 1 to 3 inches possible.

Tuesday

Snow before 5pm, then snow, possibly mixed with rain. High near 39. West wind 5 to 10 mph becoming light and variable in the morning. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Tuesday Night

Rain, possibly mixed with snow, becoming all rain after 11pm. The rain could be heavy at times. Temperature falling to near 34 by 9pm, then rising to around 42 during the remainder of the night. Calm wind becoming west 5 to 7 mph after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Wednesday

Rain. The rain could be heavy at times. High near 45. West wind around 7 mph, with gusts as high as 22 mph. Chance of precipitation is 100%. New precipitation amounts between 2 and 3 inches possible.

Wednesday Night

Rain, possibly mixed with snow. The rain could be heavy at times. Low around 37. West wind around 7 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow. High near 42. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

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

Friday

Rain likely. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

Friday Night

A 40 percent chance of rain. Mostly cloudy, with a low around 36.

Saturday

A chance of rain before 10am, then a chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 40%.

Saturday Night

Rain, possibly mixed with snow. Low around 34. Chance of precipitation is 80%.