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

5 Miles W Snoqualmie Pass WA

Winter Storm Warning March 14, 02:18am until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 14, 02:18am until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Overnight
Low: 28 °F
Heavy Snow
Saturday
High: 31 °F
Heavy Snow
Saturday Night
Low: 23 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 37 °F
Snow Likely
then
Rain/Snow
Likely
Sunday Night
Low: 35 °F
Rain/Snow
then Rain
Monday
High: 44 °F
Rain
Monday Night
Low: 40 °F
Rain
Tuesday
High: 46 °F
Rain

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 28. Wind chill values between 20 and 25. West northwest wind around 8 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 4 to 8 inches possible.

Saturday

Snow likely, mainly before 7am. The snow could be heavy at times. Partly sunny, with a high near 31. Wind chill values between 19 and 24. West northwest wind 9 to 11 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 23. West northwest wind around 5 mph becoming calm in the evening. New snow accumulation of less than one inch possible.

Sunday

Snow likely before 2pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 37. Wind chill values between 19 and 29. East southeast wind 3 to 6 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

Sunday Night

Rain, possibly mixed with snow, becoming all rain after 8pm. Low around 35. South southeast wind 3 to 5 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday

Rain. High near 44. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday Night

Rain. Low around 40. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 46.

Tuesday Night

Rain. Cloudy, with a low around 43.

Wednesday

Rain. Cloudy, with a high near 47.

Wednesday Night

Rain. Mostly cloudy, with a low around 42.