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
This Afternoon
High: 36 °F
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

This Afternoon

Snow. Areas of fog before 4pm. High near 36. Light west northwest wind. Chance of precipitation is 80%. 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.