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 Weather Advisory in effect from March 13, 08:20 AM PDT until March 13, 03:00 PM PDT

Current conditions at

ALPENTAL EXIT (TALPE)

Lat: 47.427°NLon: 121.418°WElev: 2972.0ft.

heavy snow

30°F

-1°C

Humidity	99%
Wind Speed	N 0 MPH
Barometer	NA
Dewpoint	30°F (-1°C)
Visibility	0.25 mi
Last update	13 Mar 03:51 AM PDT

More Information:

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

Extended Forecast for

7 Miles NNW Snoqualmie Pass WA

Winter Weather Advisory until March 13, 03:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until March 13, 03:00pm
NOW until 3:00pm Fri
Winter Weather Advisory
Today
High: 36 °F
Heavy Snow
and Areas Fog
Tonight
Low: 28 °F
Snow and
Areas Fog
Saturday
High: 34 °F
Snow
Saturday Night
Low: 22 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 39 °F
Snow Likely
Sunday Night
Low: 36 °F
Rain
Monday
High: 47 °F
Rain
Monday Night
Low: 41 °F
Rain

Detailed Forecast

Today

Snow. The snow could be heavy at times. Areas of fog between noon and 4pm. High near 36. Light west northwest wind. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 7 inches possible.

Tonight

Snow. Areas of fog between 7pm and 8pm. Low around 28. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. High near 34. Wind chill values between 21 and 27. West northwest wind 6 to 8 mph, with gusts as high as 23 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 22. West northwest wind 5 to 7 mph becoming calm in the evening. Winds could gust as high as 20 mph. Little or no snow accumulation expected.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 39. South wind 3 to 5 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

Rain. Low around 36. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday

Rain. High near 47. Chance of precipitation is 90%.

Monday Night

Rain. Mostly cloudy, with a low around 41.

Tuesday

Rain. Mostly cloudy, with a high near 51.

Tuesday Night

Rain. Cloudy, with a low around 43.

Wednesday

Rain. Cloudy, with a high near 50.