Headline:
Frost Advisory issued October 10 at 12:41AM PDT until October 11 at 9:00AM PDT by NWS Portland OR
Event:
Frost Advisory
Urgency:
Expected
Effective:
October 10, 2026 - 12:41am
Expires:
October 10, 2026 - 11:15am
Description:
* WHAT...Temperatures as low as 33 to 36 degrees will result in frost
formation.
* WHERE...In Oregon, Clackamas County Cascade Foothills, North Oregon
Coast Range, North Oregon Coast Range Lowlands, Outer Southeast
Portland Metro, Cascade Foothills of Marion and Linn Counties, Lane
County Cascade Foothills, and Linn County Lowlands Counties. In
Washington, North Clark County Lowlands and South Washington
Cascade Foothills Counties.
* WHEN...From midnight tonight to 9 AM PDT Sunday.
* IMPACTS...Frost could harm sensitive outdoor vegetation. Sensitive
outdoor plants may be killed if left uncovered.
Instruction:
Take steps now to protect tender outdoor plants from the cold.
Consider temporarily moving outdoor potted plants indoors if they are
sensitive to cold temperatures.
Consider temporarily covering sensitive plants with a lightweight
cotton fabric (i.e., bedsheets, thin blankets), as this will help
retain heat and provide frost protection for your plants.
Area Description:
North Oregon Coast Range Lowlands; North Oregon Coast Range; Outer Southeast Portland Metro; Linn County Lowlands; Clackamas County Cascade Foothills; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills; North Clark County Lowlands; South Washington Cascade Foothills
Forcast Office:
NWS Portland OR
Sender:
w-nws.webmaster@noaa.gov