Key facts
- Alert
- Freeze Warning (severe)
- Issued by
- National Weather Service, Portland OR
- Areas
- North Oregon Coast Range Lowlands; North Oregon Coast Range; West Central Willamette Valley; East Central Willamette Valley; Benton County Lowlands; Linn County Lowlands; Lane County Lowlands; Cascade Foothills of Marion and Linn Counties; Lane County Cascade Foothills
- In effect
- until 10:00 AM PDT, Oct 24, 2026
What the National Weather Service says
“Sub-freezing temperatures expected.”
NWS Portland OR, Freeze Warning, 10:30 PM PDT Oct 23, 2026 · official alert
“Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.”
NWS Portland OR, Freeze Warning, 10:30 PM PDT Oct 23, 2026 · official alert
“Take steps now to protect tender outdoor plants from the cold.”
NWS Portland OR, Freeze Warning, 10:30 PM PDT Oct 23, 2026 · official alert
What to do
Protect your pipes before tonight. The National Weather Service says to wrap them, drain them or let them drip slowly.
Take steps now to protect tender outdoor plants. Consider moving potted plants indoors if they are sensitive to cold.
Protect pets from the cold and check on older neighbors. If you must travel in the cold, carry a winter kit.
Context
This page lists flood-insurance claim counts for three affected counties: 754, 160 and 463. These come from FEMA and count only insured homes and businesses, so they are not a full measure of past damage. They relate to flooding, not freezes.
The same counties have had FEMA disaster declarations for severe storms, winter storms, flooding and wildfires. The most recent in the PACK was declared on 2026-04-07 for severe storms, straight-line winds, flooding, landslides and mudslides.
Updates
- The freeze warning is no longer in effect.
- The National Weather Service updated the freeze warning; it remains in effect until 10:00 AM PDT.
- The National Weather Service updated the freeze warning; it remains in effect until 10:00 AM PDT.
- NWS Portland OR issued the freeze warning until 9:00 AM PDT.
History here
This county: 754 flood insurance claims in FEMA's National Flood Insurance Program records since 1978, most recent 2025.
This county: recent federal disaster declarations
- DR-4907 (2026): severe storms, straight-line winds, flooding, landslides, and mudslides
- DR-4768 (2024): severe winter storms, straight-line winds, landslides, and mudslides
- DR-4562 (2020): wildfires and straight-line winds
- DR-4258 (2016): severe winter storms, straight-line winds, flooding, landslides, and mudslides
- DR-4055 (2012): severe winter storm, flooding, landslides, and mudslides
This county: 160 flood insurance claims in FEMA's National Flood Insurance Program records since 1979, most recent 2025.
This county: recent federal disaster declarations
- DR-4907 (2026): severe storms, straight-line winds, flooding, landslides, and mudslides
- DR-4258 (2016): severe winter storms, straight-line winds, flooding, landslides, and mudslides
- DR-1956 (2011): severe winter storm, flooding, mudslides, landslides, and debris flows
- DR-1824 (2009): severe winter storm, record and near record snow
- DR-1733 (2007): severe storms, flooding, landslides, and mudslides
This county: 463 flood insurance claims in FEMA's National Flood Insurance Program records since 1979, most recent 2025.
This county: recent federal disaster declarations
- DR-4907 (2026): severe storms, straight-line winds, flooding, landslides, and mudslides
- DR-4768 (2024): severe winter storms, straight-line winds, landslides, and mudslides
- DR-4562 (2020): wildfires and straight-line winds
- DR-4258 (2016): severe winter storms, straight-line winds, flooding, landslides, and mudslides
- DR-4169 (2014): severe winter storm
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Questions
- Is there a freeze warning in the Willamette Valley, Oregon?
- Yes. The National Weather Service in Portland has a Freeze Warning that includes the West Central and East Central Willamette Valley. It is in effect from 11 PM this evening to 10 AM PDT Saturday.
- What damage could this freeze cause?
- The National Weather Service says frost and freeze conditions could kill crops and other sensitive vegetation. They could also possibly damage unprotected outdoor plumbing.
- How can I protect my pipes and plants from the freeze?
- The National Weather Service says to wrap or drain water pipes, or let them drip slowly. Protect tender outdoor plants, and consider moving sensitive potted plants indoors.
Sources
- NWS Portland OR: Freeze Warning, Oct 23, 2026 weather.gov
- FEMA OpenFEMA: NFIP claims and disaster declarations fema.gov
How this page is made. The Herebeat Hazard Desk builds event pages from official U.S. government data (National Weather Service, USGS, FEMA). The text is written with AI from that data; every number and quote is checked against the official source automatically before publishing, and the page is updated when the agency updates the event. The official source is always the reference. Spotted a mistake? info@herebeat.app. About the Hazard Desk.