Severe Thunderstorm Warning for Umatilla County OR and Walla Walla County WA
This alert is no longer in effect.
NOAA issued it on May 25, 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.
NWS Pendleton has issued a Severe Thunderstorm Warning for north central Umatilla County in Oregon and southwestern Walla Walla County in Washington until 6:00 PM PDT.
Read this weather record in 30 seconds
- Record type
- Severe Thunderstorm Warning
- Affected area
- Northeastern Oregon and Southeastern Washington
- Issued
- May 25, 2026
- Issuing authority
- NWS Pendleton OR
Storm notices can cover different combinations of wind, hail, lightning, and rainfall. Use the original notice for the hazards and boundaries attached to this specific record.
Record status: historical. It was issued 3 months ago; use the issuing agency's live warning service for current conditions in Northeastern Oregon and Southeastern Washington.
Alert Details
Severe Thunderstorm Warning issued by NWS Pendleton OR. Effective from 2026-05-16T17:39:00-07:00 until 2026-05-16T18:00:00-07:00. Severity: Severe. Certainty: Observed. Urgency: Immediate.
Affected Areas
North central Umatilla County in northeastern Oregon and southwestern Walla Walla County in southeastern Washington. Locations impacted include Wallula, Touchet, and Lowden. Includes Highway 12 between mile markers 304 and 327.
What You Should Do
For your protection move to an interior room on the lowest floor of a building.
Expected Conditions
At 5:37 PM PDT, a severe thunderstorm was located near Wallula, or 20 miles southeast of Kennewick, moving east at 20 mph. Hazards include 60 mph wind gusts and penny size hail (0.75 inch). Expect damage to roofs, siding, and trees.
Timeline
Alert effective May 16 at 5:39 PM PDT until May 16 at 6:00 PM PDT.
Original source: NOAA Official Notice ↗
Related Weather Alerts
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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.
Similar body length
Nearest notices by article body length (892 characters here).
Similar severity timing
Same severity (high) notices issued closest in time to May 25, 2026.
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