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

3 Miles NW Snoqualmie Pass WA

Winter Storm Warning March 14, 02:45am until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 14, 02:45am until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Overnight
Low: 20 °F
Heavy Snow
Saturday
High: 23 °F
Heavy Snow
then Chance
Snow Showers
Saturday Night
Low: 15 °F
Slight Chance
Snow Showers
then Mostly
Cloudy
Sunday
High: 30 °F
Snow Likely
Sunday Night
Low: 29 °F
Snow then
Rain/Snow
Monday
High: 37 °F
Rain/Snow
then Rain
Monday Night
Low: 33 °F
Rain
Tuesday
High: 37 °F
Rain

Detailed Forecast

Overnight

Snow showers likely, mainly after 4am. The snow could be heavy at times. Mostly cloudy, with a low around 20. Wind chill values between 8 and 14. West northwest wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 4 to 8 inches possible.

Saturday

Snow showers, mainly before 8am. The snow could be heavy at times. High near 23. Wind chill values between 7 and 12. West northwest wind 15 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 10 percent chance of snow showers before 7pm. Increasing clouds, with a low around 15. Wind chill values between 5 and 10. West northwest wind 6 to 10 mph becoming southeast after midnight.

Sunday

Snow likely after 11am. Mostly cloudy, with a high near 30. Wind chill values between 7 and 17. Southeast wind 8 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday Night

Snow before 2am, then rain, possibly mixed with snow. Low around 29. South wind around 8 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 2 inches possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 8am. High near 37. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday Night

Rain. Low around 33. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 37.

Tuesday Night

Rain. Cloudy, with a low around 36.

Wednesday

Rain. Cloudy, with a high near 38.

Wednesday Night

Rain. Cloudy, with a low around 36.