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weather NWS minor Central Oregon Coast Range Lowlands; Central Oregon Coast Range; Tualatin Valley; Willapa Hills; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills October 22, 2026 at 5:20 PM

Frost Advisory

* WHAT...For the first Frost Advisory, temperatures of 33 to 36 degrees will result in frost formation. For the second Frost Advisory, temperatures of 33 to 36 degrees will result in frost formation.

* WHERE...In Oregon, Tualatin Valley, Central Oregon Coast Range, and Central Oregon Coast Range Lowlands. In Washington, Cowlitz County Lowlands, North Clark County Lowlands, South Washington Cascade Foothills, and Willapa Hills.

* WHEN...For the first Frost Advisory, from 11 PM this evening to 9 AM PDT Friday. For the second Frost Advisory, from 11 PM Friday to 9 AM PDT Saturday.

* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered.

Local conditions in Central Oregon Coast Range Lowlands; Central Oregon Coast Range; Tualatin Valley; Willapa Hills; Cowlitz County Lowlands; North Clark County Lowlands; South Washington Cascade Foothills may affect travel, public safety, or daily routines. Stay informed and adjust plans if conditions change.

This report is based on information from NWS, monitored by Alert USA's verified emergency feed.

Residents should be prepared for possible effects on travel, public safety, and daily routines while the situation remains active.

Recommended steps: stay informed via official sources; avoid non-essential travel in the area; secure outdoor items if weather is involved; check on family and neighbors.

Alert USA is tracking this developing situation and will update this report as verified information becomes available.

Verified by Alert USA • NWS

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