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.

rain,mist

40°F

4°C

Humidity	100%
Wind Speed	W 5 MPH
Barometer	29.8 in (1009.14 mb)
Dewpoint	40°F (4°C)
Visibility	0.75 mi
Wind Chill	36°F (2°C)
Last update	11 Oct 07:38 PM PDT

More Information:

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

Extended Forecast for

8 Miles E 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

Tonight
Low: 37 °F
Rain/Snow
Sunday
High: 45 °F
Rain/Snow
Sunday Night
Low: 32 °F
Rain/Snow
Columbus Day
High: 48 °F
Chance Snow
Showers then
Slight Chance
Rain/Snow
Monday Night
Low: 31 °F
Mostly Clear
Tuesday
High: 57 °F
Sunny
Tuesday Night
Low: 35 °F
Mostly Clear
Wednesday
High: 58 °F
Sunny
Wednesday Night
Low: 35 °F
Mostly Clear

Detailed Forecast

Tonight

Rain, possibly mixed with snow showers before 11pm, then a chance of rain showers between 11pm and 2am, then rain, possibly mixed with snow showers after 2am. Low around 37. West wind 7 to 9 mph, with gusts as high as 22 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday

Rain and snow showers. High near 45. Southwest wind around 6 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Sunday Night

Rain and snow showers. Low around 32. Calm wind becoming east around 5 mph after midnight. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Columbus Day

A chance of snow showers before 2pm, then a slight chance of rain showers. Mostly sunny, with a high near 48. East wind 6 to 10 mph, with gusts as high as 18 mph. Chance of precipitation is 50%. New snow accumulation of less than a half inch possible.

Monday Night

Mostly clear, with a low around 31. East wind 5 to 7 mph.

Tuesday

Sunny, with a high near 57.

Tuesday Night

Mostly clear, with a low around 35.

Wednesday

Sunny, with a high near 58.

Wednesday Night

Mostly clear, with a low around 35.

Thursday

A slight chance of showers after 11am. Mostly sunny, with a high near 53.