SnowMaps
Hazard Reports

Hazard Report Provided By forecast.weather.gov

URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
535 AM PDT Mon Mar 9 2026

WAZ303-304-092230-
/O.CON.KSEW.WW.Y.0008.000000T0000Z-260311T0000Z/
/O.CON.KSEW.WS.A.0003.260311T1200Z-260313T1800Z/
Cascades of Southern King County-Cascades of Pierce and Lewis
Counties-
Including Crystal Mountain, Mount Rainier, Snoqualmie Pass, White
Pass, Paradise, SR18 at Tiger Mountain Summit, Longmire,
Greenwater, and Ashford
535 AM PDT Mon Mar 9 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH FRIDAY MORNING...

* WHAT...For the Winter Weather Advisory, snow expected. Total snow
  accumulations between 4 and 8 inches. Winds gusting as high as 35
  mph. For the Winter Storm Watch, heavy snow possible. Total snow
  accumulations between 2 and 4 ft possible. Winds could gust as
  high as 45 mph on Wednesday.

* WHERE...Cascades of Pierce and Lewis Counties and Cascades of
  Southern King County.

* WHEN...For the Winter Weather Advisory, until 5 PM PDT Tuesday.
  For the Winter Storm Watch, from late Tuesday night through Friday
  morning.

* IMPACTS...Snow-covered roads may make travel conditions difficult
  to impossible at times through the mountains and cause delays.
  Temporary road closures possible. Gusty winds may limit visibility
  at times and down tree branches.

* ADDITIONAL DETAILS...Lower elevations up to and including
  Snoqualmie Pass may transition over to rain late Wednesday as snow
  levels briefly rise before lowering again Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages.

Monitor the latest forecasts for updates on this situation.

&&

$$

Hydrologic Outlook
WAC027-041-067-101200-

Hydrologic Outlook
National Weather Service Seattle WA
1101 AM PDT Mon Mar 9 2026

...THREAT OF RIVER FLOODING LATE THIS WEEK OR WEEKEND...

Moderate to heavy rainfall will force rises on the rivers this week
with flooding possible on the Chehalis River, Newaukum River and the
Skookumchuck River near Bucoda, Washington. Rivers will crest late
this week or weekend.

Please monitor the latest river forecasts from the National Weather
Service for additional information.

$$

33


URGENT - WINTER WEATHER MESSAGE
National Weather Service Seattle WA
535 AM PDT Mon Mar 9 2026

WAZ303-304-092230-
/O.CON.KSEW.WW.Y.0008.000000T0000Z-260311T0000Z/
/O.CON.KSEW.WS.A.0003.260311T1200Z-260313T1800Z/
Cascades of Southern King County-Cascades of Pierce and Lewis
Counties-
Including Crystal Mountain, Mount Rainier, Snoqualmie Pass, White
Pass, Paradise, SR18 at Tiger Mountain Summit, Longmire,
Greenwater, and Ashford
535 AM PDT Mon Mar 9 2026

...WINTER WEATHER ADVISORY REMAINS IN EFFECT UNTIL 5 PM PDT
TUESDAY...
...WINTER STORM WATCH REMAINS IN EFFECT FROM LATE TUESDAY NIGHT
THROUGH FRIDAY MORNING...

* WHAT...For the Winter Weather Advisory, snow expected. Total snow
  accumulations between 4 and 8 inches. Winds gusting as high as 35
  mph. For the Winter Storm Watch, heavy snow possible. Total snow
  accumulations between 2 and 4 ft possible. Winds could gust as
  high as 45 mph on Wednesday.

* WHERE...Cascades of Pierce and Lewis Counties and Cascades of
  Southern King County.

* WHEN...For the Winter Weather Advisory, until 5 PM PDT Tuesday.
  For the Winter Storm Watch, from late Tuesday night through Friday
  morning.

* IMPACTS...Snow-covered roads may make travel conditions difficult
  to impossible at times through the mountains and cause delays.
  Temporary road closures possible. Gusty winds may limit visibility
  at times and down tree branches.

* ADDITIONAL DETAILS...Lower elevations up to and including
  Snoqualmie Pass may transition over to rain late Wednesday as snow
  levels briefly rise before lowering again Thursday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Slow down and use caution while traveling. Prepare for possible
power outages.

Monitor the latest forecasts for updates on this situation.

&&

$$

Hazard Report Provided By forecast.weather.gov

© Snowforecast.com 2018, All rights reserved.