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	ESE 0 MPH
Barometer	30.03 in (1016.93 mb)
Dewpoint	-57°F (-49°C)
Visibility	NA
Last update	13 Mar 11:24 AM PDT

More Information:

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

Extended Forecast for

2 Miles SSE Sammamish 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: 40 °F
Rain/Snow and
Areas Fog
Tonight
Low: 33 °F
Rain/Snow and
Patchy Fog
Saturday
High: 45 °F
Rain/Snow
Likely
Saturday Night
Low: 29 °F
Mostly Cloudy
Sunday
High: 46 °F
Rain/Snow
Likely then
Rain Likely
Sunday Night
Low: 39 °F
Rain
Monday
High: 52 °F
Rain
Monday Night
Low: 44 °F
Rain Likely

Detailed Forecast

Today

Rain, possibly mixed with snow. Areas of fog. High near 40. Calm wind. Chance of precipitation is 90%. Little or no snow accumulation expected.

Tonight

Rain and snow, mainly before 3am. Patchy fog before 8pm. Low around 33. Calm wind. Chance of precipitation is 80%. Little or no snow accumulation expected.

Saturday

Rain and snow likely before 11am, then a chance of snow between 11am and 2pm, then a chance of rain and snow after 2pm. Mostly cloudy, with a high near 45. Light west southwest wind. Chance of precipitation is 70%. Little or no snow accumulation expected.

Saturday Night

Mostly cloudy, with a low around 29. Calm wind.

Sunday

A slight chance of snow before 8am, then a slight chance of rain and snow between 8am and 11am, then rain likely after 11am. Mostly cloudy, with a high near 46. Calm wind. Chance of precipitation is 70%. Little or no snow accumulation expected.

Sunday Night

Rain. Low around 39. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Monday

Rain. High near 52. Chance of precipitation is 80%.

Monday Night

Rain likely. Cloudy, with a low around 44.

Tuesday

Rain. Cloudy, with a high near 57.

Tuesday Night

Rain. Cloudy, with a low around 47.

Wednesday

Rain. Cloudy, with a high near 58.