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 13, 06:31pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 06:31pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Tonight
Low: 28 °F
Rain/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

Tonight

Rain and snow, becoming all snow after 2am. The snow could be heavy at times. Low around 28. Wind chill values between 20 and 25. Calm wind becoming west northwest 5 to 8 mph after midnight. Chance of precipitation is 100%. 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.