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

8 Miles NNE Snoqualmie Pass WA

Winter Storm Warning March 13, 12:45pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 12:45pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
This Afternoon
High: 32 °F
Snow and
Areas
Freezing Fog
Tonight
Low: 21 °F
Snow
Saturday
High: 25 °F
Snow
Saturday Night
Low: 16 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 34 °F
Snow Likely
Sunday Night
Low: 31 °F
Rain/Snow
Monday
High: 43 °F
Rain/Snow
then Rain
Monday Night
Low: 36 °F
Rain Likely

Detailed Forecast

This Afternoon

Snow. Areas of freezing fog before 4pm. High near 32. Wind chill values between 23 and 28. West wind around 7 mph. Chance of precipitation is 90%. Total daytime snow accumulation of 7 to 11 inches possible.

Tonight

Snow, mainly before 9pm. Low around 21. West northwest wind 6 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 3 inches possible.

Saturday

Snow. Steady temperature around 25. Wind chill values between 10 and 16. West northwest wind 13 to 15 mph, with gusts as high as 29 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 16. West northwest wind 5 to 13 mph becoming southeast after midnight. Winds could gust as high as 25 mph. Little or no snow accumulation expected.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 34. Southeast wind 5 to 7 mph. Chance of precipitation is 70%. New snow accumulation of 1 to 2 inches possible.

Sunday Night

Snow before 11pm, then rain, possibly mixed with snow. Low around 31. Chance of precipitation is 90%. New snow accumulation of 1 to 2 inches possible.

Monday

Rain, possibly mixed with snow, becoming all rain after 11am. High near 43. Chance of precipitation is 80%. Little or no snow accumulation expected.

Monday Night

Rain likely. Mostly cloudy, with a low around 36.

Tuesday

Rain. Mostly cloudy, with a high near 47.

Tuesday Night

Rain. Cloudy, with a low around 38.

Wednesday

Rain. Cloudy, with a high near 45.

Wednesday Night

Rain. Cloudy, with a low around 38.