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

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

8 Miles NE Snoqualmie Pass WA

Winter Storm Warning March 13, 10:40pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 10:40pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Tonight
Low: 16 °F
Heavy Snow
and Blustery
Saturday
High: 18 °F
Heavy Snow
and Blustery
Saturday Night
Low: 11 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 28 °F
Snow Likely
Sunday Night
Low: 26 °F
Snow
Monday
High: 35 °F
Rain/Snow
Monday Night
Low: 32 °F
Rain/Snow
Tuesday
High: 36 °F
Rain/Snow
then Rain

Detailed Forecast

Tonight

Snow, mainly before midnight. The snow could be heavy at times. Low around 16. Wind chill values between -1 and 9. Blustery, with a west northwest wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 31 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 7 to 11 inches possible.

Saturday

Snow likely, mainly before 7am. The snow could be heavy at times. Mostly cloudy, with a high near 18. Wind chill values between -3 and 2. Blustery, with a west northwest wind around 26 mph, with gusts as high as 33 mph. Chance of precipitation is 60%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 11. Wind chill values between -1 and 4. West northwest wind 10 to 17 mph, with gusts as high as 23 mph. New snow accumulation of less than one inch possible.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 28. Wind chill values between 1 and 11. Southeast wind 10 to 14 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday Night

Snow. Low around 26. South southwest wind 10 to 16 mph, with gusts as high as 21 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Monday

Rain, possibly mixed with snow before 11am, then rain between 11am and 5pm, then rain, possibly mixed with snow after 5pm. High near 35. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday Night

Rain, possibly mixed with snow. Low around 32. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Tuesday

Rain, possibly mixed with snow, becoming all rain after 8am. Cloudy, with a high near 36.

Tuesday Night

Rain. Cloudy, with a low around 34.

Wednesday

Rain. Cloudy, with a high near 37.

Wednesday Night

Rain. Cloudy, with a low around 34.

Thursday

Rain, possibly mixed with snow. Mostly cloudy, with a high near 37.