Tracking Late Season Winter Storms; Unusual Early-Season Heat Wave in the Southwest

Heavy snow and high winds continue in the Great Lakes and Northeast. A moderate atmospheric river will continue to bring heavy precipitation to the Pacific Northwest and northern Rockies. A major winter storm will develop across the northern High Plains tonight into Saturday and rapidly strengthen as it moves into the Great Lakes on Sunday. Above-average temperatures expected in the Southwest. Read More >

Hazardous Weather Conditions

Winter Storm Warning until March 14, 05:00 AM PDT

Current conditions at

Stampede Pass (KSMP)

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

heavy snow

28°F

-2°C

Humidity	100%
Wind Speed	NA NA MPH
Barometer	29.91 in (1012.87 mb)
Dewpoint	28°F (-2°C)
Visibility	0.25 mi
Last update	13 Mar 01:21 PM PDT

More Information:

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

Extended Forecast for

8 Miles SE Snoqualmie Pass WA

Winter Storm Warning March 13, 01:56pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 01:56pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
This Afternoon
High: 29 °F
Snow
Tonight
Low: 20 °F
Snow
Saturday
High: 24 °F
Snow and
Breezy
Saturday Night
Low: 15 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 30 °F
Snow Likely
Sunday Night
Low: 29 °F
Rain/Snow
Monday
High: 39 °F
Rain/Snow
then Rain
Likely
Monday Night
Low: 33 °F
Rain Likely

Detailed Forecast

This Afternoon

Snow. High near 29. West wind around 7 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 4 to 8 inches possible.

Tonight

Snow. Low around 20. West wind 7 to 14 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Saturday

Snow. High near 24. Breezy, with a west wind 20 to 22 mph. Chance of precipitation is 80%. New snow accumulation of less than one inch possible.

Saturday Night

A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 15. West wind 12 to 17 mph becoming light in the evening. Winds could gust as high as 21 mph.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 30. Calm wind becoming southeast around 5 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday Night

Snow before 11pm, then snow, possibly mixed with rain. Low around 29. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 11am. High near 39. Chance of precipitation is 80%. Little or no snow accumulation expected.

Monday Night

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

Tuesday

Rain likely. Mostly cloudy, with a high near 42. Chance of precipitation is 70%.

Tuesday Night

Rain. Mostly cloudy, with a low around 35.

Wednesday

Rain. Mostly cloudy, with a high near 41.

Wednesday Night

Rain. Mostly cloudy, with a low around 35.