* WHAT...Hot conditions with temperatures up to 95 degrees. 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 this evening.
* 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...Hot conditions with temperatures up to 100 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...Until 9 PM PDT this evening.
* 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.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. A Pacific frontal system tracking across eastern
Oregon and far southeast Washington will bring another round of
showers and thunderstorms on Sunday. Storms are not expected to
bring as much lightning as what was observed on Labor Day, but the
potential lightning is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon and 642 Southern Blue and Strawberry Mountains.
* TIMING...Now through Saturday evening.
* RELATIVE HUMIDITY...As low as 12 percent.
* TEMPERATURES...Up to 92.
* IMPACTS...Possible plume dominated fire behavior.
* ADDITIONAL INFORMATION...Isolated thunderstorms are forecast
for Saturday evening that may also bring new starts to the
area.
* HAINES...As high as 6.
* AFFECTED AREA...Fire Weather Zone 658 West Slopes of the North
Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 15 to 20 percent.
* TEMPERATURES...Up to 85.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
* AFFECTED AREA...Fire Weather Zone 659 West Slopes of the
Central Cascades Generally above 1500 Feet.
* RELATIVE HUMIDITY...As low as 15 to 20 percent.
* TEMPERATURES...Up to 90.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
* AFFECTED AREA...Fire Weather Zone 652 West Portion of the
Olympic Mountains and Fire Weather Zone 661 East Portion of
the Olympic Mountains.
* RELATIVE HUMIDITY...As low as 20 to 25 percent.
* TEMPERATURES...Up to 85.
* HAINES...Mid-level Haines 6.
* IMPACTS...A dry and unstable air mass with warm temperatures
can contribute to active fire behavior. In Western Washington,
significant growth on existing fires takes place under such
conditions. If a fire were to begin, air quality may diminish
in the surrounding area.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. There are scattered thunderstorms in the southern
Deschutes National Forest that prompted Red Flag Warnings. A
Pacific frontal system tracking across eastern Oregon and far
southeast Washington will bring another round of showers and
thunderstorms on Sunday. Storms are not expected to bring as much
lightning as what was observed on Labor Day, but the potential lightning
is enough to warrant Fire Weather Watches.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for abundant lightning, which is in effect from
Sunday morning through Sunday evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. There are scattered thunderstorms in the southern
Deschutes National Forest that prompted Red Flag Warnings. A
Pacific frontal system tracking across eastern Oregon and far
southeast Washington will bring another round of showers and
thunderstorms on Sunday. Storms are not expected to bring as much
lightning as what was observed on Labor Day, but the potential lightning
is enough to warrant Fire Weather Watches.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for abundant lightning, which is in effect from
Sunday morning through Sunday evening.
* AFFECTED AREA...Fire Weather Zones 641 Lower Columbia Basin of
Oregon, 643 Northern Blue Mountains of Oregon, 644 Central
Blue Mountains, 645 Wallowa District and 693 Southeast
Washington Grande Ronde Valley.
* IMPACTS...New fire starts and rapid fire spread due to outflow
winds.
* THUNDERSTORMS...Scattered thunderstorms producing abundant
lightning and gusty outflow winds. Most storms will be
accompanied by light rain.
* OUTFLOW WINDS...Outflow winds are always possible with storms,
and these storms will be capable of 30 to 40 mph wind gusts.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. There are scattered thunderstorms in the southern
Deschutes National Forest that prompted Red Flag Warnings. A
Pacific frontal system tracking across eastern Oregon and far
southeast Washington will bring another round of showers and
thunderstorms on Sunday. Storms are not expected to bring as much
lightning as what was observed on Labor Day, but the potential lightning
is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon and 642 Southern Blue and Strawberry Mountains.
* TIMING...Now through Saturday evening.
* RELATIVE HUMIDITY...As low as 10 percent.
* TEMPERATURES...Up to 92.
* IMPACTS...Possible plume dominated fire behavior.
* ADDITIONAL INFORMATION...Isolated thunderstorms are forecast for
Saturday evening that may also bring new starts to the area.
* HAINES...As high as 6.
...CRITICAL FIRE WEATHER CONDITIONS CONTINUE THIS WEEKEND...
.Hot, dry and unstable conditions have been observed across
eastern Oregon. There are scattered thunderstorms in the southern
Deschutes National Forest that prompted Red Flag Warnings. A
Pacific frontal system tracking across eastern Oregon and far
southeast Washington will bring another round of showers and
thunderstorms on Sunday. Storms are not expected to bring as much
lightning as what was observed on Labor Day, but the potential lightning
is enough to warrant Fire Weather Watches.
* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central
Oregon Cascades and 611 Deschutes National Forest -minus
Sisters Ranger District.
* TIMING...Now through midnight tonight.
* IMPACTS...New fire starts and possible rapid fire spread with
gusty outflow winds.
* THUNDERSTORMS...Scattered thunderstorms producing occasional
cloud to ground lightning and light rain. LAL 3
* OUTFLOW WINDS...Storms are capable of outflow winds 25 to 35
mph.
* 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 10 mph with gusts up to 15 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...While winds have weakened significantly
Friday evening, unstable conditions remain in place.
* 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 10 mph with gusts up to 15 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...While winds have weakened significantly
Friday evening, unstable conditions remain in place.
* AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern
Willamette National Forest and Fire Weather Zone 690 Southern
Willamette National Forest.
* WINDS...West 5 mph or less, except east 5 to 10 mph with gusts
up to 15 mph along the Cascade crest.
* 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...Scattered thunderstorms continue impacting
portions of the Willamette National Forest Friday evening. Some
of these storms have produced frequent lightning and gusty
outflow winds as high as 40 mph. Lightning strikes could ignite
new fires and outflow winds could lead to rapid fire growth.
Showers and thunderstorms will diminish over the Willamette
National Forest by 11 PM PDT Friday.
* WHAT...Hot conditions with temperatures from the mid 80s to mid
90s degrees. This will pose a moderate risk of heat-related
illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...Until 11 PM PDT this evening.
* 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.
* ADDITIONAL DETAILS...Localized areas of major HeatRisk are
possible in Cascade Valleys, where temperatures may approach 100
degrees.
* WHAT...Hot conditions with temperatures from the mid 80s to the
low 90s. This will pose a moderate risk of heat-related illness.
* WHERE...Central Coast, Eastern Strait of Juan de Fuca, North
Coast, Western Skagit County, Western Strait of Juan De Fuca, and
Western Whatcom County.
* WHEN...Until 11 PM PDT this evening.
* 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.
* ADDITIONAL DETAILS...The warmest temperatures will be in areas
away from the waters.
...SCATTERED THUNDERSTORMS THIS EVENING IN THE DESCHUTES NATIONAL
FOREST...
...HOT AND UNSTABLE WITH ISOLATED THUNDERSTORMS OVER PORTIONS OF
CENTRAL AND SOUTHEAST OREGON THROUGH SATURDAY EVENING...
* AFFECTED AREA...Fire Weather Zones 640 Central Mountains of
Oregon and 642 Southern Blue and Strawberry Mountains.
* TIMING...Now through Saturday evening.
* WINDS...Southeast 5 to 10 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
* TEMPERATURES...Up to 94.
* IMPACTS...Possible plume dominated fire behavior.
* ADDITIONAL INFORMATION...Isolated thunderstorms are forecast
for Saturday evening.
* HAINES...As high as 6.
...SCATTERED THUNDERSTORMS THIS EVENING IN THE DESCHUTES NATIONAL
FOREST...
...HOT AND UNSTABLE WITH ISOLATED THUNDERSTORMS OVER PORTIONS OF
CENTRAL AND SOUTHEAST OREGON THROUGH SATURDAY EVENING...
The National Weather Service in Pendleton has issued a Red Flag
Warning for abundant lightning, which is in effect until midnight
PDT tonight.
* AFFECTED AREA...Fire Weather Zones 610 East Slopes of Central
Oregon Cascades and 611 Deschutes National Forest -minus
Sisters Ranger District.
* TIMING...Now through midnight tonight.
* IMPACTS...New fire starts and possible rapid fire spread with
gusty outflow winds.
* THUNDERSTORMS...Scattered thunderstorms producing occasional
cloud to ground lightning and light rain. LAL 3
* OUTFLOW WINDS...Storms are capable of outflow winds 25 to 35
mph.
* WHAT...Hot conditions with temperatures in the mid 90s to low 100s
expected.
* WHERE...The Coeur d'Alene area down to the Lewiston Clarkston
Valley, central and eastern Washington.
* 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.