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, 12:21pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 12:21pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
This Afternoon
High: 24 °F
Heavy Snow
and Areas
Freezing Fog
Tonight
Low: 16 °F
Snow and
Dense
Freezing Fog
Saturday
High: 19 °F
Snow and
Blustery
Saturday Night
Low: 12 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 27 °F
Snow Likely
Sunday Night
Low: 27 °F
Snow
Monday
High: 35 °F
Rain/Snow
Monday Night
Low: 31 °F
Rain/Snow
Likely

Detailed Forecast

This Afternoon

Snow. The snow could be heavy at times. Areas of freezing fog. High near 24. Wind chill values between 11 and 16. West wind 11 to 13 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 8 to 12 inches possible.

Tonight

Snow, mainly before 8pm. Widespread dense freezing fog, mainly before 11pm. Low around 16. Wind chill values between 2 and 12. West northwest wind 11 to 17 mph, with gusts as high as 23 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow. High near 19. Wind chill values between -2 and 3. Blustery, with a west northwest wind 21 to 23 mph, with gusts as high as 33 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 30 percent chance of snow before 11pm. Mostly cloudy, with a low around 12. Wind chill values between zero and 5. West northwest wind 16 to 21 mph becoming northwest 8 to 13 mph after midnight. Winds could gust as high as 29 mph. Little or no snow accumulation expected.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 27. South southwest wind 9 to 11 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Sunday Night

Snow. Low around 27. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Monday

Rain, possibly mixed with snow. High near 35. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.

Monday Night

Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 31.

Tuesday

Rain likely, possibly mixed with snow before 11am, then rain. Mostly cloudy, with a high near 39.

Tuesday Night

Rain. Mostly cloudy, with a low around 33.

Wednesday

Rain. Cloudy, with a high near 37.