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

Snoqualmie Pass (SNO30)

Lat: 47.42487°NLon: 121.41395°WElev: 3010.0ft.

32°F

0°C

Humidity	100%
Wind Speed	NA NA MPH
Barometer	30.25 in (1024.38 mb)
Dewpoint	32°F (0°C)
Visibility	NA
Last update	29 Jan 06:00 AM PST

More Information:

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

Extended Forecast for

17 Miles NNE Roslyn 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
Today
High: 36 °F
Rain/Snow
then
Rain/Snow
Likely
Tonight
Low: 32 °F
Rain/Snow
Friday
High: 39 °F
Rain/Snow
Friday Night
Low: 32 °F
Rain Likely
then Slight
Chance Rain
Saturday
High: 41 °F
Slight Chance
Rain then
Mostly Cloudy
Saturday Night
Low: 30 °F
Mostly Cloudy
Sunday
High: 39 °F
Rain Likely
Sunday Night
Low: 29 °F
Rain/Snow
Likely then
Chance
Rain/Snow

Detailed Forecast

Today

Snow, possibly mixed with rain before 4pm, then a chance of rain. High near 36. Southwest wind 3 to 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 2 inches possible.

Tonight

Rain, possibly mixed with snow, mainly before 1am. Low around 32. Light south wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

Friday

Rain, possibly mixed with snow, mainly after 7am. High near 39. South wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Friday Night

Rain likely, mainly before 10pm. Mostly cloudy, with a low around 32. Northwest wind 3 to 5 mph. Chance of precipitation is 70%. 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 41. Calm wind becoming southeast around 6 mph in the afternoon.

Saturday Night

Mostly cloudy, with a low around 30.

Sunday

Rain likely, mainly after 4pm. Mostly cloudy, with a high near 39. Chance of precipitation is 60%.

Sunday Night

Rain likely, possibly mixed with snow, mainly before 10pm. Mostly cloudy, with a low around 29. Chance of precipitation is 70%.

Monday

A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.

Monday Night

A chance of rain and snow before 10pm. Mostly cloudy, with a low around 28.