051 WWUS76 KSEW 101003 NPWSEW URGENT - WEATHER MESSAGE National Weather Service Seattle WA 303 AM PDT Sat Oct 10 2026 WAZ308-309-102215- /O.NEW.KSEW.FR.Y.0010.261012T0700Z-261012T1500Z/ /O.CON.KSEW.FR.Y.0009.261011T0700Z-261011T1500Z/ Foothills and Valleys of Pierce and Southern King Counties- Foothills and Valleys of Thurston and Lewis Counties- Including Morton, South Hill, Elk Plain, Lea Hill, Covington-Sawyer-w, Mossyrock, Prairie Ridge, Maple Valley, and Enumclaw 303 AM PDT Sat Oct 10 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT SUNDAY NIGHT TO 8 AM PDT MONDAY... ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PDT SUNDAY... * WHAT...Temperatures as low as 34 to 36 degrees Sunday morning and 30 to 36 degrees Monday morning will result in frost formation. * WHERE...Foothills and Valleys of Pierce and Southern King Counties and Foothills and Valleys of Thurston and Lewis Counties. * WHEN...For the first Frost Advisory, from midnight tonight to 8 AM PDT Sunday. For the second Frost Advisory, from midnight Sunday Night to 8 AM PDT Monday. * 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. && $$ WAZ316>318-320>322-330-102215- /O.NEW.KSEW.FR.Y.0010.261012T0700Z-261012T1500Z/ Lowlands of Pierce and Southern King Counties-Olympia and Southern Puget Sound-Lowlands of Lewis and Southern Thurston Counties-Willapa and Black Hills-Southern Hood Canal-Northern Hood Canal-Northern Washington Coast- Including Rochester, Queets, Tacoma, Holly, Federal Way, Skokomish, Chehalis, Brinnon, Ozette, Port Ludlow, Kent, Seabeck, Olympia, Leland, Neah Bay, Quillayute, Pe Ell, Renton, Lacey, Fords Prairie, Grand Mound, Tumwater, La Push, and Quilcene 303 AM PDT Sat Oct 10 2026 ...FROST ADVISORY IN EFFECT FROM MIDNIGHT SUNDAY NIGHT TO 8 AM PDT MONDAY... * WHAT...Temperatures as low as 30 to 36 degrees Monday morning could result in frost formation. * WHERE...Northern Hood Canal, Northern Washington Coast, Southern Hood Canal, Lowlands of Lewis and Southern Thurston Counties, Lowlands of Pierce and Southern King Counties, Olympia and Southern Puget Sound, and Willapa and Black Hills. * WHEN...From midnight Sunday Night to 8 AM PDT Monday. * IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. PRECAUTIONARY/PREPAREDNESS ACTIONS... Take steps now to protect tender plants from the cold. && $$ WAZ319-102215- /O.CON.KSEW.FR.Y.0009.261011T0700Z-261011T1500Z/ Middle Chehalis River Valley- Including McCleary, Elma, and Montesano 303 AM PDT Sat Oct 10 2026 ...FROST ADVISORY REMAINS IN EFFECT FROM MIDNIGHT TONIGHT TO 8 AM PDT SUNDAY... * WHAT...Temperatures as low as 34 to 36 degrees will result in frost formation. * WHERE...Middle Chehalis River Valley. * WHEN...From midnight tonight to 8 AM PDT Sunday. * 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. && $$