Heavy Rainfall and Flooding Concerns in the Southwest; Coastal Low to Impact the East Coast

Deep tropical moisture will lead to widespread showers and thunderstorms capable of producing flash flooding through early next week over the Southwest and Four Corners. A coastal storm is expected to impact the southeast U.S. coast and mid-Atlantic regions with flooding, dangerous rip currents, gusty winds and heavy rain up much of the East Coast through early next week. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from October 12, 04:00 PM PDT until October 13, 01:00 PM PDT

Current conditions at

Stampede Pass (KSMP)

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

Mist

35°F

2°C

Humidity	100%
Wind Speed	WSW 3 MPH
Barometer	29.82 in (1009.82 mb)
Dewpoint	35°F (2°C)
Visibility	0.75 mi
Last update	12 Oct 05:14 AM PDT

More Information:

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

Extended Forecast for

5 Miles ESE Snoqualmie Pass WA

Winter Weather Advisory October 12, 04:00pm until October 13, 01:00pm

Click here for hazard details and duration

Winter Weather Advisory

Overnight
Low: 36 °F
Rain/Snow
Sunday
High: 36 °F
Rain/Snow
then Snow
Showers
Sunday Night
Low: 29 °F
Snow Showers
Likely
Columbus Day
High: 38 °F
Chance Snow
Showers then
Slight Chance
Snow Showers
Monday Night
Low: 28 °F
Mostly Clear
Tuesday
High: 47 °F
Sunny
Tuesday Night
Low: 32 °F
Mostly Clear
Wednesday
High: 45 °F
Sunny
Wednesday Night
Low: 33 °F
Mostly Clear

Detailed Forecast

Overnight

Rain and snow showers. Steady temperature around 36. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of less than a half inch possible.

Sunday

Rain and snow showers, becoming all snow after 8am. High near 36. West wind 7 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Sunday Night

Snow showers likely, mainly before 2am. Mostly cloudy, with a low around 29. Southwest wind 5 to 10 mph becoming east after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Columbus Day

A 50 percent chance of snow showers, mainly before 11am. Mostly sunny, with a high near 38. East wind 11 to 14 mph, with gusts as high as 22 mph. New snow accumulation of less than a half inch possible.

Monday Night

Mostly clear, with a low around 28. East wind 9 to 13 mph, with gusts as high as 22 mph.

Tuesday

Sunny, with a high near 47.

Tuesday Night

Mostly clear, with a low around 32.

Wednesday

Sunny, with a high near 45.

Wednesday Night

Mostly clear, with a low around 33.

Thursday

A slight chance of rain and snow showers between 11am and 2pm, then a slight chance of rain showers after 2pm. Mostly sunny, with a high near 42.