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

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	29.99 in (1015.58 mb)
Dewpoint	-57°F (-49°C)
Visibility	NA
Last update	13 Mar 02:42 PM PDT

More Information:

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

Extended Forecast for

4 Miles ESE Issaquah WA

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

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 05:14pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
This Afternoon
High: 36 °F
Rain/Snow
Tonight
Low: 29 °F
Rain/Snow
then Heavy
Snow
Saturday
High: 40 °F
Heavy Snow
then Slight
Chance Snow
Saturday Night
Low: 26 °F
Slight Chance
Snow then
Mostly Cloudy
Sunday
High: 44 °F
Snow Likely
then
Rain/Snow
Likely
Sunday Night
Low: 36 °F
Rain
Monday
High: 48 °F
Rain
Monday Night
Low: 41 °F
Rain

Detailed Forecast

This Afternoon

Snow, possibly mixed with rain. High near 36. Calm wind. Chance of precipitation is 100%. Total daytime snow accumulation of 1 to 3 inches possible.

Tonight

Snow, possibly mixed with rain, becoming all snow after 11pm. The snow could be heavy at times. Low around 29. Light and variable wind. Chance of precipitation is 90%. New snow accumulation of 2 to 4 inches possible.

Saturday

Snow likely, mainly before noon. The snow could be heavy at times. Mostly cloudy, then gradually becoming sunny, with a high near 40. Wind chill values between 25 and 35. West wind 3 to 6 mph. Chance of precipitation is 60%. 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 26. Calm wind becoming east southeast around 6 mph in the evening.

Sunday

Snow likely before 2pm, then rain likely. Mostly cloudy, with a high near 44. East southeast wind around 5 mph becoming calm in the morning. Chance of precipitation is 70%. Little or no snow accumulation expected.

Sunday Night

Rain. Low around 36. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday

Rain. High near 48. Chance of precipitation is 90%.

Monday Night

Rain. Cloudy, with a low around 41.

Tuesday

Rain. Cloudy, with a high near 51.

Tuesday Night

Rain. Cloudy, with a low around 45.

Wednesday

Rain. Cloudy, with a high near 55.