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

Stampede Pass (KSMP)

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

heavy snow,freezing fog

27°F

-3°C

Humidity	100%
Wind Speed	NA NA MPH
Barometer	29.92 in (1013.21 mb)
Dewpoint	27°F (-3°C)
Visibility	0.25 mi
Last update	13 Mar 05:56 AM PDT

More Information:

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

Extended Forecast for

9 Miles ESE Snoqualmie Pass WA

Winter Storm Warning March 13, 07:40am until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 07:40am until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Today
High: 38 °F
Rain/Snow
Tonight
Low: 25 °F
Rain/Snow
then Snow
Likely
Saturday
High: 34 °F
Snow Likely
Saturday Night
Low: 20 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 39 °F
Snow Likely
then
Rain/Snow
Likely
Sunday Night
Low: 33 °F
Rain
Monday
High: 47 °F
Rain
Monday Night
Low: 38 °F
Rain Likely

Detailed Forecast

Today

Snow, possibly mixed with rain. The snow could be heavy at times. High near 38. Light west wind. Chance of precipitation is 100%. Total daytime snow accumulation of 2 to 4 inches possible.

Tonight

Snow, possibly mixed with rain, becoming all snow after 11pm. Low around 25. Light northwest wind. Chance of precipitation is 90%. New snow accumulation of less than a half inch possible.

Saturday

Snow likely, mainly before 11am. Partly sunny, with a high near 34. West wind 5 to 10 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

Saturday Night

A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 20. West wind around 6 mph becoming calm in the evening. Winds could gust as high as 21 mph.

Sunday

Snow likely before 2pm, then rain and snow likely. Mostly cloudy, with a high near 39. Calm wind. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

Rain. Low around 33. Chance of precipitation is 90%.

Monday

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

Monday Night

Rain likely. Mostly cloudy, with a low around 38. Chance of precipitation is 70%.

Tuesday

Rain likely. Mostly cloudy, with a high near 52. Chance of precipitation is 70%.

Tuesday Night

Rain. Mostly cloudy, with a low around 40.

Wednesday

Rain. Mostly cloudy, with a high near 50.