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

7 Miles SW Snoqualmie Pass WA

Winter Storm Warning March 13, 09:58pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 09:58pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Tonight
Low: 26 °F
Heavy Snow
Saturday
High: 29 °F
Heavy Snow
Saturday Night
Low: 21 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 36 °F
Snow Likely
Sunday Night
Low: 34 °F
Rain/Snow
Monday
High: 42 °F
Rain
Monday Night
Low: 39 °F
Rain
Tuesday
High: 44 °F
Rain

Detailed Forecast

Tonight

Snow, mainly before 1am. The snow could be heavy at times. Low around 26. Wind chill values between 17 and 22. Light west wind becoming west northwest 5 to 10 mph after midnight. Chance of precipitation is 90%. Total nighttime snow accumulation of 5 to 9 inches possible.

Saturday

Snow likely, mainly before 8am. The snow could be heavy at times. Mostly cloudy, with a high near 29. Wind chill values between 14 and 19. West northwest wind 11 to 15 mph, with gusts as high as 20 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 21. West northwest wind 5 to 7 mph becoming light and variable in the evening. New snow accumulation of less than one inch possible.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 36. Wind chill values between 18 and 28. South southeast wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday Night

Snow before 11pm, then rain, possibly mixed with snow. Low around 34. South southeast wind 3 to 6 mph. Chance of precipitation is 90%. New snow accumulation of less than one inch possible.

Monday

Rain. High near 42. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday Night

Rain. Low around 39. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 44.

Tuesday Night

Rain. Cloudy, with a low around 41.

Wednesday

Rain. Cloudy, with a high near 45.

Wednesday Night

Rain. Cloudy, with a low around 41.