Red Flag Warning issued August 1 at 10:43PM PDT until August 2 at 9:00PM PDT by NWS Pendleton OR

…HOT, DRY, AND UNSTABLE CONDITIONS FRIDAY AFTERNOON AND EVENING…

.An upper level ridge of high pressure will remain over the region
Friday, producing hot and dry conditions. A weak weather
disturbance riding up the ridge and over the region Friday will
bring increasing unstable conditions across the eastern mountains,
with a slight chance of isolated thunderstorms in the afternoon.

* AFFECTED AREA…Fire Weather Zones 640 Central Mountains of
Oregon, 642 Southern Blue and Strawberry Mountains and 644
Central Blue Mountains.

* TIMING…Late morning Friday through early evening.

* WINDS…West 5 to 10 mph.

* RELATIVE HUMIDITY…As low as 9 percent.

* TEMPERATURES…97 to 105.

* IMPACTS…The combination of hot, dry and unstable conditions
may lead to extreme fire behavior.

* HAINES…As high as 6.
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.