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, 11:00 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

2 Miles NNW Snoqualmie Pass WA

Winter Storm Warning March 14, 03:45am until March 14, 11:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 14, 03:45am until March 14, 11:00am
NOW until 11:00am Sat
Winter Storm Warning
Overnight
Low: 23 °F
Heavy Snow
Saturday
High: 27 °F
Heavy Snow
then Chance
Snow Showers
Saturday Night
Low: 18 °F
Slight Chance
Snow Showers
then Mostly
Cloudy
Sunday
High: 33 °F
Snow Likely
Sunday Night
Low: 31 °F
Snow then
Rain/Snow
Monday
High: 41 °F
Rain/Snow
then Rain
Monday Night
Low: 35 °F
Rain
Tuesday
High: 41 °F
Rain

Detailed Forecast

Overnight

Snow showers likely, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 23. Wind chill values between 14 and 19. Northwest wind around 9 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 3 to 7 inches possible.

Saturday

Snow showers, mainly before 8am. The snow could be heavy at times. High near 27. Wind chill values between 13 and 18. West northwest wind 9 to 11 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 10 percent chance of snow showers before 7pm. Increasing clouds, with a low around 18. West northwest wind around 6 mph becoming calm in the evening.

Sunday

Snow likely after 11am. Mostly cloudy, with a high near 33. Wind chill values between 15 and 25. Southeast wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

Snow before 2am, then rain and snow. Low around 31. Light south southeast wind. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 11am. High near 41. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday Night

Rain. Low around 35. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 41.

Tuesday Night

Rain. Cloudy, with a low around 38.

Wednesday

Rain. Cloudy, with a high near 42.

Wednesday Night

Rain. Cloudy, with a low around 38.