Tracking Late Season Winter Storms

A moderate atmospheric river will continue to bring heavy snow over the Olympics, northern Cascades and northern Rockies Friday while heavy rain may bring flooding to coastal Oregon and Washington. A winter storm will continue to push across the Great Lakes and Northeast U.S. Friday and Saturday with areas of heavy snow and high winds. 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

4 Miles WSW Snoqualmie Pass WA

Winter Storm Warning March 13, 04:02am until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 04:02am until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Overnight
Low: 31 °F
Rain/Snow
Friday
High: 36 °F
Rain/Snow and
Areas Fog
Friday Night
Low: 27 °F
Rain/Snow and
Dense Fog
then Snow
Saturday
High: 33 °F
Snow
Saturday Night
Low: 22 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 38 °F
Snow Likely
then
Rain/Snow
Likely
Sunday Night
Low: 35 °F
Rain/Snow
then Rain
Monday
High: 45 °F
Rain

Detailed Forecast

Overnight

Rain and snow. The rain and snow could be heavy at times. Low around 31. Calm wind. Chance of precipitation is 100%. Total nighttime snow accumulation of 7 to 11 inches possible.

Friday

Rain and snow. The snow could be heavy at times. Areas of fog after 11am. High near 36. Light west northwest wind. Chance of precipitation is 100%. New snow accumulation of 2 to 4 inches possible.

Friday Night

Rain and snow, becoming all snow after 11pm. Widespread dense fog before midnight. Low around 27. Calm wind becoming west northwest around 6 mph after midnight. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday

Snow. High near 33. Wind chill values between 21 and 26. West northwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New snow accumulation of 1 to 3 inches possible.

Saturday Night

A 40 percent chance of snow before 11pm. Mostly cloudy, with a low around 22. West wind 5 to 8 mph becoming calm in the evening. Winds could gust as high as 21 mph. Little or no snow accumulation expected.

Sunday

Snow likely before 2pm, then rain likely, possibly mixed with snow. Mostly cloudy, with a high near 38. 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. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday

Rain. Cloudy, with a high near 45.

Monday Night

Rain likely. Mostly cloudy, with a low around 39.

Tuesday

Rain. Mostly cloudy, with a high near 50.

Tuesday Night

Rain. Mostly cloudy, with a low around 41.

Wednesday

Rain. Cloudy, with a high near 48.