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

Snoqualmie Pass (SNO30)

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

30°F

-1°C

Humidity	97%
Wind Speed	NA NA MPH
Barometer	30.0 in (1015.92 mb)
Dewpoint	29°F (-2°C)
Visibility	NA
Last update	13 Mar 03:00 AM PDT

More Information:

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

Extended Forecast for

3 Miles ESE Snoqualmie Pass WA

Winter Storm Warning March 13, 02:55pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 02:55pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
This Afternoon
High: 29 °F
Heavy Snow
Tonight
Low: 20 °F
Heavy Snow
Saturday
High: 24 °F
Heavy Snow
then Chance
Snow
Saturday Night
Low: 16 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 32 °F
Snow Likely
Sunday Night
Low: 30 °F
Snow then
Rain/Snow
Monday
High: 40 °F
Rain/Snow
then Rain
Monday Night
Low: 35 °F
Rain

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. High near 29. West wind around 7 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 10 to 16 inches possible.

Tonight

Snow. The snow could be heavy at times. Low around 20. West wind 7 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 100%. New snow accumulation of 6 to 10 inches possible.

Saturday

Snow likely, mainly before 8am. The snow could be heavy at times. Mostly cloudy, with a high near 24. West wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. Northwest wind 6 to 16 mph, with gusts as high as 25 mph.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 32. South wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday Night

Snow before 2am, then rain, possibly mixed with snow. Low around 30. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 11am. High near 40. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday Night

Rain. Low around 35. Chance of precipitation is 80%.

Tuesday

Rain. High near 40. Chance of precipitation is 90%.

Tuesday Night

Rain. Mostly cloudy, with a low around 37.

Wednesday

Rain. Mostly cloudy, with a high near 41.