* WHAT...Hot conditions with temperatures up to 95 degrees expected.
This will pose a moderate to major risk of heat-related illness.
* WHERE...Ochoco-John Day Highlands and Southern Blue Mountains of
Oregon.
* WHEN...Until 9 PM PDT Saturday.
* IMPACTS...Heat will significantly increase the risk of
heat-related illnesses for those who are sensitive to heat,
especially those without effective cooling or adequate hydration.
* WHAT...Temperatures around 100 to 105 expected in the afternoons.
* WHERE...In California, Western Siskiyou County. In Oregon, Central
Douglas County, Eastern Curry County and Josephine County, Jackson
County, and South Central Oregon Coast. This includes the lower
Klamath, Rogue, Illinois, Umpqua, upper Coquille, and Camas
valleys. This includes the cities of Somes Bar, Happy Camp,
Ashland, Medford, Grants Pass, Cave Junction, Roseburg, Agness,
and Powers.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
...HOT, DRY, AND UNSTABLE...
The National Weather Service in Pendleton has issued a Red Flag
Warning for dry and unstable conditions, which is in effect from
noon today to 9 PM PDT Saturday. The Fire Weather Watch is no
longer in effect.
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon and 642 Southern Blue and Strawberry Mountains.
* TIMING...Friday through Saturday evening.
* WINDS...Southeast 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 8 percent.
* TEMPERATURES...Up to 97.
* IMPACTS...Possible plume dominated fire behavior.
* HAINES...As high as 6.
* WHAT...Dangerously hot temperatures in the mid to upper 90s
expected.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot temperatures in the mid to upper 90s
expected.
* WHERE...In Oregon, Upper Hood River Valley. In Washington, South
Washington Cascade Foothills.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Hot temperatures in the low 90s expected.
* WHERE...North Oregon Coast Range, North Oregon Coast Range
Lowlands, Central Oregon Coast Range, and Central Oregon Coast
Range Lowlands.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot temperatures in the low to mid 90s expected.
* WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County,
and Cascades of Marion and Linn Counties. In Washington, South
Washington Cascades.
* WHEN...Until 10 PM PDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* IMPACTS...Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
* AFFECTED AREA...This includes eastern Fire weather zone 617,
including the Diamond Complex and the southern portions of
the Homestead Complex near the Fuller Lake, Reynolds Butte
and Bullpup fires, northern Fire weather zone 623 north of
Lake of the Woods, Fire weather zone 624 north and east of
Chiloquin and northwest Fire weather zone 625 from Summer
Lake northwestward.
* THUNDERSTORMS...Isolated to scattered thunderstorms are
expected to develop Friday afternoon and evening. Storms are
likely to be dry with little or no rainfall.
* OUTFLOW WINDS...Strong, gusty outflows up to around 50 mph
are expected near storms.
* DETAILED URL...View the hazard area in detail at
https://www.wrh.noaa.gov/map/?wfo=mfr
The Oregon Department of Environmental Quality has continued
an Air Quality Advisory, which is IN EFFECT UNTIL 8 PM PDT FRIDAY.
An Air Quality Advisory for ozone remains in effect. High levels of
ozone in the lower atmosphere in the region combined with forecasted
conditions will cause air quality to reach unhealthy levels at times
through 8 PM PDT Friday. Smoke from regional wildfires is also
negatively impacting air quality.
Pollutants 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.
More information about air quality can be found at:
www.oregon.gov/DEQ
* AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern
Willamette National Forest and Fire Weather Zone 690 Southern
Willamette National Forest.
* WINDS...North 5 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Conditions may be favorable for rapid fire spread
which may threaten life and property. Use extra caution with
potential ignition sources, especially in grassy areas.
Outdoor burning is not recommended.
* ADDITIONAL DETAILS...There is a 15 to 20 percent chance for
thunderstorms Friday afternoon and evening, which may produce
lightning and gusty, erratic outflow winds. Lightning strikes
could ignite new fires and outflow winds could lead to rapid
fire growth.
* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood
National Forest Region. In Washington, Fire Weather Zone 634
Southern Gifford Pinchot National Forest and Fire Weather Zone
635 Mt. Adams Ranger District of the Gifford-Pinchot National
Forest.
* WINDS...East 5 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Conditions may be favorable for rapid fire spread
which may threaten life and property. Use extra caution with
potential ignition sources, especially in grassy areas.
Outdoor burning is not recommended.
* AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern
Willamette National Forest and Fire Weather Zone 690 Southern
Willamette National Forest.
* WINDS...North 5 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Conditions may be favorable for rapid fire spread
which may threaten life and property. Use extra caution with
potential ignition sources, especially in grassy areas.
Outdoor burning is not recommended.
* ADDITIONAL DETAILS...There is a 15 to 20 percent chance for
thunderstorms Friday afternoon and evening, which may produce
lightning and gusty, erratic outflow winds. Lightning strikes
could ignite new fires and outflow winds could lead to rapid
fire growth.
* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood
National Forest Region. In Washington, Fire Weather Zone 634
Southern Gifford Pinchot National Forest and Fire Weather Zone
635 Mt. Adams Ranger District of the Gifford-Pinchot National
Forest.
* WINDS...East 5 to 15 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* IMPACTS...Conditions may be favorable for rapid fire spread
which may threaten life and property. Use extra caution with
potential ignition sources, especially in grassy areas.
Outdoor burning is not recommended.
* AFFECTED AREA...In Oregon, Fire Weather Zone 684 Northern and
Central Willamette Valley. In Washington, Fire Weather Zone
633 Clark County Lowlands and Swift Reservoir Region.
* WINDS...North 5 to 10 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 20 percent.
* IMPACTS...Conditions may be favorable for rapid fire spread
which may threaten life and property. Use extra caution with
potential ignition sources, especially in grassy areas.
Outdoor burning is not recommended.
* ADDITIONAL DETAILS...Within the Willamette Valley, the Red
Flag Warning is specifically for areas around the Portland
Metro area from Oregon City northward east of I-5. This also
includes Clark County east of I-5 near the Columbia River
Gorge.
* WHAT...Temperatures 94 to 97 expected. Overnight lows in the mid
50s to mid 60s.
* WHERE...North Oregon Coast Range, North Oregon Coast Range
Lowlands, Central Oregon Coast Range, and Central Oregon Coast
Range Lowlands.
* WHEN...Until 10 PM PDT Friday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot temperatures in the mid to upper 90s
expected. Overnight lows in the mid 50s to near 70.
* WHERE...In Oregon, Upper Hood River Valley. In Washington, South
Washington Cascade Foothills.
* WHEN...Until 10 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions with temperatures around 100
expected. Overnight lows in the upper 50s to near 70, warmest in
urban areas, Columbia River Gorge, and Cascade Foothills and
Valleys.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...Until 10 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Dangerously hot conditions with temperatures up to 93
expected.
* WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County,
and Cascades of Marion and Linn Counties. In Washington, South
Washington Cascades.
* WHEN...Until 10 PM PDT Friday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
The Oregon Department of Environmental Quality has continued
an Air Quality Advisory, which is IN EFFECT UNTIL 8 PM PDT FRIDAY.
An Air Quality Advisory for ozone remains in effect. High levels of
ozone in the lower atmosphere in the region combined with forecasted
conditions will cause air quality to reach unhealthy levels at times
through 8 PM PDT Friday.
Pollutants 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.
More information about air quality can be found at:
www.oregon.gov/DEQ
* WHAT...Temperatures around 100 to 105 expected in the afternoons.
* WHERE...In California, Western Siskiyou County. In Oregon, Central
Douglas County, Eastern Curry County and Josephine County, Jackson
County, and South Central Oregon Coast. This includes the lower
Klamath, Rogue, Illinois, Umpqua, upper Coquille, and Camas
valleys. This includes the cities of Somes Bar, Happy Camp,
Ashland, Medford, Grants Pass, Cave Junction, Roseburg, Agness,
and Powers.
* WHEN...Until 10 PM PDT Friday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
