255
WWUS86 KPDT 241958
RFWPDT

URGENT - FIRE WEATHER MESSAGE
National Weather Service Pendleton OR
1258 PM PDT Sun Aug 24 2025

...HOT, DRY, AND UNSTABLE CONDITIONS EXPECTED IN CENTRAL OREGON
OVER THE NEXT TWO DAYS...

.Hot conditions, combined with low relative humidities and an
unstable air mass, have the potential to create significant,
plume-dominated fire growth in the area surrounding the Flat
Fire. Unstable conditions will relent overnight, however relative
humidity recoveries are expected to be poor.

ORZ700-704-252130-
/O.CON.KPDT.FW.W.0016.000000T0000Z-250826T0400Z/
Central Mountains of Oregon-Northern Deschutes National Forest-
1258 PM PDT Sun Aug 24 2025

...RED FLAG WARNING REMAINS IN EFFECT UNTIL 9 PM PDT MONDAY FOR
HOT, DRY, AND UNSTABLE CONDITIONS FOR FIRE WEATHER ZONES
OR700 AND OR704...

* AFFECTED AREA...Fire Weather Zones 700 Central Mountains of
  Oregon and 704 Northern Deschutes National Forest.

* TIMING...Until 9 PM PDT Monday.

* MIXING HEIGHT...As high as 8,000 ft AGL Today and 11,500 ft AGL
  Monday.

* RELATIVE HUMIDITY...As low as 15 percent.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

A Red Flag Warning means that critical fire weather conditions
are either occurring now, or will shortly. A combination of
strong winds, low relative humidity, and warm temperatures can
contribute to extreme fire behavior.

&&

$$