...The upper level low offshore will shift to the east just enough today to allow for monsoonal moisture to move into the region. Instability will accompany the moisture and allow for increased chances of isolated to scattered thunderstorms across central Oregon and portions of the eastern mountains. Brief heavy downpours, gusty outflow winds, small hail, and frequent lightning will be possible...
The National Weather Service in Pendleton has issued a Red Flag Warning for abundant lightning, which is in effect from 11 AM to 8 PM PDT Thursday.
* AFFECTED AREA...Fire Weather Zone 698 Southern Blue Mountains.
* TIMING...For the first Red Flag Warning, until 11 PM PDT this evening. For the second Red Flag Warning, from 11 AM to 8 PM PDT Thursday.
* IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.
* THUNDERSTORMS...Isolated to scattered dry thunderstorms after 11 AM today.
* OUTFLOW WINDS...Gusts from 25-45 mph