Flood Warning Issued for Umatilla County, Oregon

Source: NOAA · Umatilla County, Oregon

This alert is no longer in effect.

NOAA issued it on April 29, 2026, 3 months ago. Warnings of this kind stay in effect for hours to a few days, so this page is a historical record of what was issued, not a current warning. For conditions where you are right now, check weather.gov (US), weather.gc.ca (Canada), the Met Office (UK), or the Bureau of Meteorology (Australia).

Areazine synthesizes this NWS weather alert directly from NOAA's official public data feed. See our methodology for full source attribution and refresh cadence.

A Flood Warning has been issued by NWS Pendleton OR for Umatilla County, Oregon, due to expected minor flooding on the Umatilla River near Gibbon until April 23.

Read this weather record in 30 seconds

Record type
Flood Warning
Affected area
Umatilla County, Oregon
Issued
April 29, 2026
Issuing authority
NWS Pendleton OR

Flood notices turn on location and timing. Treat the named area as this record's scope; do not assume nearby counties, parishes, or waterways were included.

Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Umatilla County, Oregon.

Alert Details

A Flood Warning has been issued by the National Weather Service (NWS) Pendleton OR. It is effective from April 22, 2026, at 9:38 AM PDT until April 23, 2026, at 5:00 PM PDT.

Affected Areas

The warning affects Umatilla County, Oregon, specifically the Umatilla River near Gibbon.

What You Should Do

Turn around and do not drown when encountering flooded roads. Most flood deaths occur in vehicles. Additional information is available at www.weather.gov/pdt.

Expected Conditions

Minor flooding is forecast for the Umatilla River near Gibbon. The river stage is currently at 4.5 feet, with flood stage at 7.0 feet, and it is expected to rise to a crest of 8.9 feet.

Timeline

The alert is effective from April 22, 2026, at 9:38 AM PDT, with onset at 11:00 AM PDT on the same day. It expires on April 23, 2026, at 11:00 AM PDT and ends at 5:00 PM PDT.

Original source: NOAA Official Notice ↗

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Two Areazine-derived peer sets for this NWS weather alert: nearest notices by body length and by same severity near the same agency date. Peers come from other categories so they are not the same-feed Related list above.

Frequently Asked Questions

Common questions about this NWS weather alert.

What is this NWS weather alert about?
A Flood Warning has been issued by NWS Pendleton OR for Umatilla County, Oregon, due to expected minor flooding on the Umatilla River near Gibbon until April 23.
Which agency issued this alert?
This alert was issued by NOAA. The original notice is available at the source link at the bottom of this article.
How severe is this alert?
This alert is classified as "high" severity. Take precautions and monitor for updates.
What area is affected?
This alert affects Umatilla County, Oregon. Check with NOAA for the most current geographic scope.
Where can I find more Weather Alerts updates?
Browse the full Weather Alerts feed on Areazine at areazine.com/weather/ for the latest updates from NOAA and other agencies.