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

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

15 Miles N Roslyn WA

Winter Storm Warning March 13, 04:41pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 04:41pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
This Afternoon
High: 36 °F
Heavy Snow
Tonight
Low: 20 °F
Heavy Snow
then Snow
Likely
Saturday
High: 31 °F
Chance Snow
Saturday Night
Low: 16 °F
Slight Chance
Snow then
Mostly Cloudy
Sunday
High: 36 °F
Snow Likely
Sunday Night
Low: 29 °F
Rain/Snow
Monday
High: 45 °F
Rain
Monday Night
Low: 37 °F
Rain Likely

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. High near 36. West wind around 6 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 5 to 9 inches possible.

Tonight

Snow, mainly before 2am. The snow could be heavy at times. Low around 20. Northwest wind 6 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 100%. New snow accumulation of 3 to 7 inches possible.

Saturday

A 50 percent chance of snow, mainly before 2pm. Partly sunny, with a high near 31. West wind 10 to 13 mph, with gusts as high as 30 mph. New snow accumulation of less than a half inch possible.

Saturday Night

A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 16. Northwest wind 5 to 9 mph, with gusts as high as 24 mph.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Light and variable wind becoming southeast around 5 mph in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

Sunday Night

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

Monday

Rain. High near 45. Chance of precipitation is 80%.

Monday Night

Rain likely. Mostly cloudy, with a low around 37. Chance of precipitation is 70%.

Tuesday

Rain. High near 47. Chance of precipitation is 80%.

Tuesday Night

Rain. Mostly cloudy, with a low around 39.

Wednesday

Rain likely. Mostly cloudy, with a high near 48.

Wednesday Night

Rain. Mostly cloudy, with a low around 38.