477
WWUS76 KSEW 081707
NPWSEW
URGENT - WEATHER MESSAGE
NATIONAL WEATHER SERVICE SEATTLE WA
1007 AM PDT WED APR 8 2026
WAZ308-309-312-317>319-090400-
/O.NEW.KSEW.FR.Y.0004.260409T0600Z-260409T1600Z/
FOOTHILLS AND VALLEYS OF PIERCE AND SOUTHERN KING COUNTIES-
FOOTHILLS AND VALLEYS OF THURSTON AND LEWIS COUNTIES-DOWNTOWN
EVERETT / MARYSVILLE AREA-OLYMPIA AND SOUTHERN PUGET SOUND-
LOWLANDS OF LEWIS AND SOUTHERN THURSTON COUNTIES-MIDDLE CHEHALIS
RIVER VALLEY-
INCLUDING ELK PLAIN, MCCLEARY, MAPLE VALLEY, OLYMPIA, LEA HILL,
SNOHOMISH, GRAND MOUND, FORDS PRAIRIE, MARYSVILLE, MOSSYROCK,
CHEHALIS, LACEY, LAKE STEVENS, MONTESANO, ROCHESTER, ELMA,
COVINGTON-SAWYER-W, ENUMCLAW, MORTON, PRAIRIE RIDGE, TUMWATER,
AND SOUTH HILL
1007 AM PDT WED APR 8 2026
...FROST ADVISORY IN EFFECT FROM 11 PM THIS EVENING TO 9 AM PDT
THURSDAY...
* WHAT...TEMPERATURES AS LOW AS 33 TO 36 WILL RESULT IN FROST
FORMATION.
* WHERE...MIDDLE CHEHALIS RIVER VALLEY, DOWNTOWN EVERETT /
MARYSVILLE AREA, FOOTHILLS AND VALLEYS OF PIERCE AND SOUTHERN KING
COUNTIES, FOOTHILLS AND VALLEYS OF THURSTON AND LEWIS COUNTIES,
LOWLANDS OF LEWIS AND SOUTHERN THURSTON COUNTIES, AND OLYMPIA AND
SOUTHERN PUGET SOUND.
* WHEN...FROM 11 PM THIS EVENING TO 9 AM PDT THURSDAY.
* IMPACTS...FROST COULD HARM SENSITIVE OUTDOOR VEGETATION. SENSITIVE
OUTDOOR PLANTS MAY BE KILLED IF LEFT UNCOVERED.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
TAKE STEPS NOW TO PROTECT TENDER PLANTS FROM THE COLD.
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