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

Current conditions at

Stampede Pass (KSMP)

Lat: 47.27648°NLon: 121.33817°WElev: 3970.0ft.

rain,mist

43°F

6°C

Humidity	100%
Wind Speed	WNW 9 MPH
Barometer	29.83 in (1010.16 mb)
Dewpoint	43°F (6°C)
Visibility	1.25 mi
Wind Chill	38°F (3°C)
Last update	08 Dec 10:56 PM PST

More Information:

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

Extended Forecast for

14 Miles S Stevens Pass WA

Flood Watch until December 12, 07:00am

Click here for hazard details and duration

Flood Watch

Flood Watch until December 12, 07:00am
NOW until 7:00am Fri
Flood Watch
Tonight
Low: 27 °F
Rain/Snow and
Breezy
Tuesday
High: 35 °F
Heavy Snow
Tuesday Night
Low: 30 °F⇑
Rain/Snow
Wednesday
High: 40 °F
Rain/Snow
Wednesday Night
Low: 33 °F
Rain/Snow
Thursday
High: 37 °F
Rain/Snow
Thursday Night
Low: 34 °F
Rain/Snow
Likely
Friday
High: 40 °F
Chance
Rain/Snow

Detailed Forecast

Tonight

Rain, possibly mixed with snow, becoming all snow after 1am. The rain and snow could be heavy at times. Low around 27. Breezy, with a west wind 21 to 24 mph, with gusts as high as 41 mph. Chance of precipitation is 100%. Total nighttime snow accumulation of less than one inch possible.

Tuesday

Snow likely before 10am, then snow after 1pm. The snow could be heavy at times. High near 35. South wind 5 to 13 mph, with gusts as high as 21 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 falling to near 30 by 8pm, then rising to around 41 during the remainder of the night. West wind 7 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

Wednesday

Rain before 7am, then rain and snow. The rain could be heavy at times. High near 40. West wind 14 to 18 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 33. West wind around 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Thursday

Rain and snow before 10am, then snow between 10am and 1pm, then rain and snow after 1pm. High near 37. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Thursday Night

Rain and snow likely, mainly before 10pm. Mostly cloudy, with a low around 34. Chance of precipitation is 60%. Little or no snow accumulation expected.

Friday

A chance of rain and snow. Mostly cloudy, with a high near 40. Chance of precipitation is 40%.

Friday Night

A 30 percent chance of rain. Mostly cloudy, with a low around 33.

Saturday

A chance of rain and snow before 1pm, then a chance of rain between 1pm and 4pm, then rain likely, possibly mixed with snow after 4pm. Partly sunny, with a high near 38.

Saturday Night

Rain and snow. Mostly cloudy, with a low around 30.

Sunday

Snow. Mostly cloudy, with a high near 34.

Sunday Night

Snow likely. Mostly cloudy, with a low around 29.

Monday

Snow. Mostly cloudy, with a high near 36.