# Red Flag Warning: John Day Valley; Southern Blue Mountains; Central Mountains of Oregon — retained record

> Retained us-gov-api record from us-gov-api:noaa-weather.

Canonical: https://highsignal.app/data/records/257a36a5a47b8ca3

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source: [us-gov-api](https://highsignal.app/data/us-gov-api) (us-gov-api:noaa-weather)  published 2026-08-21 11:57 ingested 2026-08-22 06:33

[original source ↗](http://www.weather.gov/)

## extract

Red Flag Warning — John Day Valley; Southern Blue Mountains; Central Mountains of Oregon
Severity: Severe. Certainty: Likely.
...WIDESPREAD BREEZY WESTERLY WINDS AND LOW RELATIVE HUMIDITY
SATURDAY...

...HIGH-BASED SHOWERS AND THUNDERSTORMS TONIGHT AND SATURDAY
ALONG THE WASHINGTON CASCADES AND BLUE MOUNTAINS...

.An approaching low-pressure system will bring widespread breezy
westerly winds through the Cascade gaps, across the Columbia
Basin, and into portions of the Blue Mountains Saturday. Coupled
with low relative humidity, this will lead to critical fire
weather conditions. Moreover, high-based showers and
thunderstorms are forecast, with the best chances of abundant
lightning overnight through Saturday morning along the Washington
Cascades and Saturday afternoon for the northeast Blue Mountains.

The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 10 PM PDT Saturday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...Fire Weather Zones 696 John Day Valley, 698
Southern Blue Mountains and 700 Central Mountains of Oregon.

* TIMING...From noon to 10 PM PDT Saturday.

* WINDS...West 10 to 20 mph with gusts of 25 to 35 mph.

* RELATIVE HUMIDITY...10 to 20 percent in the afternoon.

* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.

## retained text

The historical document was shared with another weather alert and cannot be attributed to this record. The original extract is preserved above; the exact alert link was not retained.