* WHAT...Temperatures up to 103.
* WHERE...Portions of south central, southwest and west central
Idaho and southeast Oregon.
* WHEN...Until midnight MDT tonight.
* IMPACTS...Hot temperatures may cause heat illnesses to occur.
* WHAT...High concentration of smoke particulates from numerous wild
fires in Oregon and Nothern California
* WHERE...Harney and Malheur Counties.
* WHEN...Until at least 2 PM PDT Monday.
* IMPACTS...Smoke can irritate the eyes, lungs and worsen some
medical conditions. People most at risk to adverse health effects
include infants, young children, people with heart or lung
disease, older adults, and pregnant women.
* ADDITIONAL DETAILS...Smoke levels can change rapidly depending on
weather. Check current conditions on the Oregon Smoke Information
Blog, DEQ's Air Quality Index, or by downloading the free
OregonAIR app on your smartphone.
* IMPACTS..Abundant lightning on dry fuels will increase the risk of
new fire starts. Additionally, gusty outflow winds will allow
for new and existing fires to grow rapidly.
* AFFECTED AREA...Most areas from the Cascade crest east,
including FWZs 623, 624, 625, 284, 285. And west of the
Cascade crest, FWZs 617 and 280.
* THUNDERSTORMS...Isolated to scattered thunderstorms, with the
greatest coverage expected later this afternoon. Despite the
wet nature of the thunderstorms, lightning strikes outside of
precipitation cores are possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 40 to 50 mph. These outflow winds
can travel up to 50 miles away from the thunderstorm that
caused it.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
* WHAT...Very hot temperatures. Saturday's high temperatures 95 to
101 with up to 105 at Omak.
* WHERE...Mansfield, Methow, Chelan, Okanogan, Oroville, Bridgeport,
Omak, Disautel Pass, Mazama, Winthrop, Number 1 Canyon, Brewster,
Tonasket, Conconully, Plain, Waterville, Pangborn Airport,
Cashmere, Loup Loup Pass, Badger Mountain Road, Number 2 Canyon,
Nespelem, Twisp, Leavenworth, Wenatchee, and Entiat.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially for those without effective cooling or adequate
hydration.
* WHAT...Very hot temperatures. Saturday's high temperatures 96 and
101 degrees.
* WHERE...Boulder Creek Road, Wauconda, Republic, Chesaw Road,
Highway 20 Wauconda Summit, Sherman Pass, and Inchelium.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially for those without effective cooling or adequate
hydration.
* WHAT...Very hot temperatures. Saturday's high temperatures 95 to
101 with up to 105 at Omak.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially for those without effective cooling or adequate
hydration.
* ADDITIONAL DETAILS...Overnight temperatures will be well above
average with some areas staying above 80 degrees well into the
night. Homes without air conditioning will struggle to cool
overnight.
* WHAT...Hot temperatures. High temperatures 90 to 100.
* WHERE...Anatone, Peola, Mountain Road, and Cloverland Road.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially for those without effective cooling or adequate
hydration.
* WHAT...Very hot temperatures. Saturday's high temperatures 95 and
100 degrees.
* WHERE...Chewelah, Wauconda, Ione, Newport, Chesaw Road, Metaline
Falls, Metaline, Flowery Trail Road, Clark Fork, Deer Park,
Northport, Orin-Rice Road, Sandpoint, Colville, Inchelium, Kettle
Falls, Springdale-Hunters Road, Tiger, Schweitzer Mountain Road,
Athol, Republic, Fruitland, Bonners Ferry, Eastport, Priest River,
Boulder Creek Road, Highway 20 Wauconda Summit, and Sherman Pass.
* WHEN...Until 8 PM PDT this evening.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially for those without effective cooling or adequate
hydration.
...ABUNDANT LIGHTNING FOR THIS AFTERNOON THROUGH SUNDAY
MORNING...
.An upper level ridge of high pressure will begin to breakdown
later today as a weak weather disturbance rides up the ridge and
over the region. This disturbance will also bring increasing
unstable conditions across the eastern mountains, with a slight
chance of isolated thunderstorms in the afternoon. Thunderstorm
chances increase and move northeastward tonight into Sunday
morning. Any thunderstorms could produce abundant lightning
leading to new fires starts.
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon, 642 Southern Blue and Strawberry Mountains, 644
Central Blue Mountains and 645 Wallowa District.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to widely scattered. Lightning
activity level of 2 to 3.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible near
thunderstorms.
* IMPACTS..Abundant lightning on dry fuels will increase the risk of
new fire starts. Additionally, gusty outflow winds will allow
for new and existing fires to grow rapidly.
* AFFECTED AREA...Most areas from the Cascade crest east,
including FWZs 623, 624, 625, 284, 285. And west of the
Cascade crest, FWZs 617 and 280.
* THUNDERSTORMS...Isolated to scattered thunderstorms, with the
greatest coverage anticipated Saturday afternoon. Despite the
wet nature of the thunderstorms, lightning strikes outside of
precipitation cores are possible and cause for concern.
* OUTFLOW WINDS...Gusts up to 40 to 50 mph. These outflow winds
can travel up to 50 miles away from the thunderstorm that
caused it.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
An Air Quality Alert has been issued for all of Yakima County,
including the Yakima Reservation, due to expected smoke from nearby
and regional wildfires...IN EFFECT UNTIL FURTHER NOTICE. Particulate
matter (PM2.5) may reach Unhealthy or Unhealthy for Sensitive Groups
levels.
Pollutants in smoke can cause burning eyes...runny nose...aggravate
heart and lung diseases...and aggravate other serious health
problems. Limit outdoor activities and keep children indoors if it
is smoky. Please follow medical advice if you have a heart or lung
condition.
Information about air quality is on the Washington Department of
Ecology Web site at http://www.ecy.wa.gov/air.html or call 360-407-
6000. Information can also be found on the Washington Smoke Blog at
wasmoke.blogspot.com
Oregon Department of Environmental Quality has issued an Air Quality
Advisory for Deschutes and Grant Counties...IN EFFECT UNTIL FURTHER
NOTICE.
A Smoke Air Quality Advisory has been issued. Wildfires burning in
the region combined with forecasted conditions will cause air
quality to reach unhealthy levels.
Pollutants in smoke can cause burning eyes...runny nose...aggravate
heart and lung diseases...and aggravate other serious health
problems. Limit outdoor activities and keep children indoors if it
is smoky. Please follow medical advice if you have a heart or lung
condition.
For additional information...please visit the Web site at
http://www.oregon.gov/DEQ
* WHAT...Temperatures up to 104 expected.
* WHERE...Portions of southwest and west central Idaho and
southeast Oregon.
* WHEN...For the Excessive Heat Warning, until midnight MDT
tonight. For the Heat Advisory, from midnight tonight to
midnight MDT Saturday night.
* IMPACTS...Hot temperatures may cause heat illnesses to occur.
...ABUNDANT LIGHTNING FOR SATURDAY AFTERNOON THROUGH SUNDAY
MORNING...
.An upper level ridge of high pressure will begin to breakdown
Saturday as a weak weather disturbance rides up the ridge and
over the region, which will bring increasing unstable conditions
across the eastern mountains, with a slight chance of isolated
thunderstorms in the afternoon. Saturday thunderstorms could
produce abundant lightning leading to new fires starts.
* AFFECTED AREA...Fire Weather Zone 645 Wallowa District.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to widely scattered. Lightning
activity level of 2 to 3.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible on
Saturday near thunderstorms.
...ABUNDANT LIGHTNING FOR SATURDAY AFTERNOON THROUGH SUNDAY
MORNING...
.An upper level ridge of high pressure will begin to breakdown
Saturday as a weak weather disturbance rides up the ridge and
over the region, which will bring increasing unstable conditions
across the eastern mountains, with a slight chance of isolated
thunderstorms in the afternoon. Saturday thunderstorms could
produce abundant lightning leading to new fires starts.
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon, 642 Southern Blue and Strawberry Mountains and 644
Central Blue Mountains.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* THUNDERSTORMS...Isolated to widely scattered. Lightning
activity level of 2 to 3.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible on
Saturday near thunderstorms.
...HOT, DRY, AND UNSTABLE CONDITIONS FRIDAY AFTERNOON AND
EVENING...
...ABUNDANT LIGHTNING FOR SATURDAY AFTERNOON THROUGH
SUNDAY MORNING...
.An upper level ridge of high pressure will remain over the
region through today, producing hot and dry conditions. A weak
weather disturbance riding up the ridge and over the region will
bring increasing unstable conditions across the eastern
mountains, with a slight chance of isolated thunderstorms in the
afternoon. Saturday thunderstorms could produce abundant
lightning leading to new fires starts.
...RED FLAG WARNING IN EFFECT FROM 2 PM SATURDAY TO 7 AM PDT
SUNDAY FOR ABUNDANT LIGHTNING FOR FIRE WEATHER ZONES OR640, OR642,
AND OR644...
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon, 642 Southern Blue and Strawberry Mountains and 644
Central Blue Mountains.
* TIMING...Now through mid evening Friday and again Saturday
afternoon through Sunday morning.
* WINDS...Northwest 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* TEMPERATURES...Up to 100 for Friday and high 90s Saturday.
* IMPACTS...The combination of hot, dry and unstable conditions
may lead to extreme fire behavior Friday. Abundant lighting on
Saturday could lead to new fire starts.
* HAINES...As high as 6.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible on Saturday
near thunderstorms.
...HOT, DRY, AND UNSTABLE CONDITIONS FRIDAY AFTERNOON AND
EVENING...
...ABUNDANT LIGHTNING FOR SATURDAY AFTERNOON THROUGH
SUNDAY MORNING...
.An upper level ridge of high pressure will remain over the
region through today, producing hot and dry conditions. A weak
weather disturbance riding up the ridge and over the region will
bring increasing unstable conditions across the eastern
mountains, with a slight chance of isolated thunderstorms in the
afternoon. Saturday thunderstorms could produce abundant
lightning leading to new fires starts.
* AFFECTED AREA...Fire Weather Zone 645 Wallowa District.
* WINDS...Northwest 5 to 10 mph.
* IMPACTS...Thunderstorms may produce abundant lightning leading
to new fire starts.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible on Saturday
near thunderstorms.
...HOT, DRY, AND UNSTABLE CONDITIONS FRIDAY AFTERNOON AND
EVENING...
...ABUNDANT LIGHTNING FOR SATURDAY AFTERNOON THROUGH
SUNDAY MORNING...
.An upper level ridge of high pressure will remain over the
region through today, producing hot and dry conditions. A weak
weather disturbance riding up the ridge and over the region will
bring increasing unstable conditions across the eastern
mountains, with a slight chance of isolated thunderstorms in the
afternoon. Saturday thunderstorms could produce abundant
lightning leading to new fires starts.
...RED FLAG WARNING IN EFFECT FROM 2 PM SATURDAY TO 7 AM PDT
SUNDAY FOR ABUNDANT LIGHTNING FOR FIRE WEATHER ZONES OR640, OR642,
AND OR644...
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon, 642 Southern Blue and Strawberry Mountains and 644
Central Blue Mountains.
* TIMING...Now through mid evening Friday and again Saturday
afternoon through Sunday morning.
* WINDS...Northwest 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* TEMPERATURES...Up to 100 for Friday and high 90s Saturday.
* IMPACTS...The combination of hot, dry and unstable conditions
may lead to extreme fire behavior Friday. Abundant lighting on
Saturday could lead to new fire starts.
* HAINES...As high as 6.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible on Saturday
near thunderstorms.
...HOT, DRY, AND UNSTABLE CONDITIONS THIS AFTERNOON AND EVENING...
.An upper level ridge of high pressure will remain over the
region through today, producing hot and dry conditions. A weak
weather disturbance riding up the ridge and over the region will
bring increasing unstable conditions across the eastern
mountains, with a slight chance of isolated thunderstorms in the
afternoon. Saturday thunderstorms could produce abundant lightning
leading to new fires starts.
The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect from 2 PM
Saturday to 7 AM PDT Sunday.
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon, 642 Southern Blue and Strawberry Mountains and 644
Central Blue Mountains.
* TIMING...Late this morning through mid evening.
* WINDS...West 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* TEMPERATURES...Up to 101.
* IMPACTS...The combination of hot, dry and unstable conditions
may lead to extreme fire behavior.
* HAINES...As high as 6.
* OUTFLOW WINDS...Gusts as high as 50 mph are possible