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

5 Miles SSW Snoqualmie Pass WA

Winter Storm Warning March 14, 03:54am until March 14, 11:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 14, 03:54am until March 14, 11:00am
NOW until 11:00am Sat
Winter Storm Warning
Overnight
Low: 26 °F
Heavy Snow
Saturday
High: 26 °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: 32 °F
Rain/Snow
Monday
High: 41 °F
Rain/Snow
then Rain
Monday Night
Low: 36 °F
Rain
Tuesday
High: 41 °F
Rain

Detailed Forecast

Overnight

Snow showers, mainly after 4am. The snow could be heavy at times. Steady temperature around 26. Wind chill values between 12 and 17. West northwest wind around 15 mph, with gusts as high as 26 mph. Chance of precipitation is 80%. 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 26. Wind chill values between 10 and 15. West northwest wind 15 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New snow accumulation of 2 to 4 inches possible.

Saturday Night

A 20 percent chance of snow showers before 8pm. Mostly cloudy, with a low around 18. Wind chill values between 10 and 15. West northwest wind 5 to 9 mph becoming light and variable.

Sunday

Snow likely after 11am. Mostly cloudy, with a high near 33. Wind chill values between 11 and 21. Southeast wind 6 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

Snow before 11pm, then rain, possibly mixed with snow. Low around 32. South southeast wind around 6 mph. Chance of precipitation is 90%. New snow accumulation of around an inch possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 8am. High near 41. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday Night

Rain. Low around 36. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 41.

Tuesday Night

Rain. Cloudy, with a low around 39.

Wednesday

Rain. Cloudy, with a high near 41.

Wednesday Night

Rain. Cloudy, with a low around 39.