Prolonged Extreme Cold; Eastern U.S. Winter Storm

Another Arctic blast will surge south across the northern Plains Thursday night, crossing the Midwest and reaching the Gulf Coast Friday night. Confidence continues to increase for significant heavy snow across much of the Southern Appalachians, Carolinas, and southern Mid-Atlantic Friday into Sunday. Read More >

Hazardous Weather Conditions

Winter Weather Advisory in effect from January 29, 02:37 AM PST until January 29, 12:00 PM PST

Current conditions at

Stampede Pass (KSMP)

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

light snow,mist

31°F

-1°C

Humidity	100%
Wind Speed	N 0 MPH
Barometer	30.24 in (1024.04 mb)
Dewpoint	31°F (-1°C)
Visibility	0.75 mi
Last update	29 Jan 04:40 AM PST

More Information:

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

Extended Forecast for

9 Miles ESE Snoqualmie Pass WA

Winter Weather Advisory until January 29, 12:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until January 29, 12:00pm
NOW until 12:00pm Thu
Winter Weather Advisory
Overnight
Low: 34 °F
Rain/Snow
Thursday
High: 40 °F
Rain/Snow
then Rain
Thursday Night
Low: 36 °F
Rain
Friday
High: 43 °F
Rain
Friday Night
Low: 37 °F
Rain then
Chance Rain
Saturday
High: 45 °F
Slight Chance
Rain then
Mostly Cloudy
Saturday Night
Low: 35 °F
Chance Rain
Sunday
High: 44 °F
Rain Likely

Detailed Forecast

Overnight

Rain, possibly mixed with snow. Low around 34. Calm wind. Chance of precipitation is 100%. Little or no snow accumulation expected.

Thursday

Rain, possibly mixed with snow, becoming all rain after 10am. High near 40. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

Thursday Night

Rain before 1am. Low around 36. Calm wind. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Friday

Rain, mainly after 10am. High near 43. Calm wind. Chance of precipitation is 80%. New precipitation amounts between a quarter and half of an inch possible.

Friday Night

Rain, mainly before 10pm. Low around 37. Calm wind. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Saturday

A 20 percent chance of rain before 10am. Mostly cloudy, with a high near 45.

Saturday Night

A 30 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 35.

Sunday

Rain likely, mainly after 10am. Mostly cloudy, with a high near 44. Chance of precipitation is 60%.

Sunday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.

Monday

A chance of rain. Mostly cloudy, with a high near 42.

Monday Night

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