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

3 Miles SE Issaquah WA

Winter Storm Warning March 13, 10:56pm until March 14, 05:00am

Click here for hazard details and duration

Winter Storm Warning

Winter Storm Warning March 13, 10:56pm until March 14, 05:00am
NOW until 5:00am Sat
Winter Storm Warning
Tonight
Low: 28 °F
Heavy Snow
Saturday
High: 35 °F
Heavy Snow
Saturday Night
Low: 27 °F
Slight Chance
Snow then
Mostly Cloudy
Sunday
High: 40 °F
Snow
Sunday Night
Low: 38 °F
Rain/Snow
then Rain
Likely
Monday
High: 45 °F
Rain
Monday Night
Low: 42 °F
Rain
Tuesday
High: 47 °F
Rain

Detailed Forecast

Tonight

Snow likely, mainly after 2am. The snow could be heavy at times. Cloudy, with a low around 28. Wind chill values between 21 and 26. West northwest wind 3 to 7 mph. Chance of precipitation is 70%. Total nighttime snow accumulation of 2 to 4 inches possible.

Saturday

A 30 percent chance of snow between 11am and 2pm. The snow could be heavy at times. Mostly cloudy, then gradually becoming sunny, with a high near 35. Wind chill values between 19 and 28. West northwest wind 8 to 10 mph. 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 27. Wind chill values between 18 and 23. North northeast wind 5 to 9 mph becoming southeast in the evening.

Sunday

Snow, mainly after 11am. High near 40. Wind chill values between 19 and 29. South wind 6 to 9 mph. Chance of precipitation is 80%. Little or no snow accumulation expected.

Sunday Night

Snow before 8pm, then rain, possibly mixed with snow between 8pm and 11pm, then rain likely after 11pm. Low around 38. South southeast wind 8 to 15 mph, with gusts as high as 20 mph. Chance of precipitation is 90%. Little or no snow accumulation expected.

Monday

Rain. High near 45. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

Monday Night

Rain. Low around 42. Chance of precipitation is 80%.

Tuesday

Rain. Cloudy, with a high near 47.

Tuesday Night

Rain. Cloudy, with a low around 46.

Wednesday

Rain. Cloudy, with a high near 50.

Wednesday Night

Rain. Cloudy, with a low around 47.