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 Weather Advisory in effect from March 13, 08:20 AM PDT until March 13, 03:00 PM PDT

Current conditions at

EW6690 Maple Valley (E6690)

Lat: 47.442°NLon: 122.01433°WElev: 742.16ft.

30°F

-1°C

Humidity	1%
Wind Speed	SE 0 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	-57°F (-49°C)
Visibility	NA
Last update	13 Mar 10:54 AM PDT

More Information:

Local Forecast Office More Local Wx 3 Day History Hourly Weather Forecast

Extended Forecast for

5 Miles WSW Snoqualmie WA

Winter Weather Advisory until March 13, 03:00pm

Click here for hazard details and duration

Winter Weather Advisory

Winter Weather Advisory until March 13, 03:00pm
NOW until 3:00pm Fri
Winter Weather Advisory
Today
High: 33 °F
Snow and
Areas
Freezing Fog
Tonight
Low: 26 °F
Snow and
Patchy Fog
Saturday
High: 36 °F
Snow
Saturday Night
Low: 23 °F
Slight Chance
Snow then
Mostly Cloudy
Sunday
High: 39 °F
Snow Likely
Sunday Night
Low: 34 °F
Rain/Snow
then Rain
Likely
Monday
High: 45 °F
Rain
Monday Night
Low: 39 °F
Rain Likely

Detailed Forecast

Today

Snow. Areas of fog after noon. Areas of freezing fog before noon. High near 33. Wind chill values between 25 and 30. Northwest wind 3 to 5 mph. Chance of precipitation is 100%. Total daytime snow accumulation of 3 to 5 inches possible.

Tonight

Snow, mainly before 4am. Patchy fog before 10pm. Low around 26. West wind 3 to 5 mph. Chance of precipitation is 80%. New snow accumulation of around an inch possible.

Saturday

Snow. High near 36. Wind chill values between 20 and 30. West southwest wind 6 to 8 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.

Saturday Night

A 20 percent chance of snow before 11pm. Mostly cloudy, with a low around 23. Wind chill values between 16 and 21. North wind 5 to 7 mph becoming east southeast after midnight.

Sunday

Snow likely, mainly between 11am and 5pm. Mostly cloudy, with a high near 39. East southeast wind 5 to 7 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 34. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday

Rain. High near 45. Chance of precipitation is 80%.

Monday Night

Rain likely. Cloudy, with a low around 39.

Tuesday

Rain. Cloudy, with a high near 50.

Tuesday Night

Rain. Cloudy, with a low around 42.

Wednesday

Rain. Cloudy, with a high near 50.