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

7 Miles NNW Snoqualmie Pass WA

Winter Storm Warning March 14, 02:20am until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 14, 02:20am until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Overnight
Low: 24 °F
Heavy Snow
Saturday
High: 28 °F
Heavy Snow
Saturday Night
Low: 19 °F
Chance Snow
then Mostly
Cloudy
Sunday
High: 35 °F
Snow Likely
Sunday Night
Low: 34 °F
Rain/Snow
Monday
High: 42 °F
Rain
Monday Night
Low: 39 °F
Rain
Tuesday
High: 43 °F
Rain

Detailed Forecast

Overnight

Snow. The snow could be heavy at times. Low around 24. Wind chill values between 13 and 18. West northwest wind 10 to 13 mph. Chance of precipitation is 80%. Total nighttime snow accumulation of 5 to 9 inches possible.

Saturday

Snow likely, mainly before 7am. The snow could be heavy at times. Mostly cloudy, with a high near 28. Wind chill values between 12 and 17. West northwest wind 14 to 16 mph, with gusts as high as 21 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 19. Wind chill values between 12 and 17. West northwest wind 5 to 8 mph becoming southeast after midnight. New snow accumulation of less than a half inch possible.

Sunday

Snow likely, mainly after 11am. Mostly cloudy, with a high near 35. Wind chill values between 13 and 23. South wind 6 to 8 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

Sunday Night

Snow before 11pm, then rain, possibly mixed with snow. Low around 34. South wind 6 to 8 mph. Chance of precipitation is 100%. New snow accumulation of around an inch possible.

Monday

Rain. High near 42. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.

Monday Night

Rain. Low around 39. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 43.

Tuesday Night

Rain. Cloudy, with a low around 41.

Wednesday

Rain. Cloudy, with a high near 45.

Wednesday Night

Rain. Cloudy, with a low around 41.