The National Weather Service in Portland has issued a Fire
Weather Watch for thunderstorms, which is in effect from late
Saturday night through late Sunday night.
* AFFECTED AREA...In Washington, Fire Weather Zone 634 Southern
Gifford Pinchot National Forest, Fire Weather Zone 635 Mt.
Adams Ranger District of the Gifford-Pinchot National Forest
and Fire Weather Zone 636 Western Columbia River Gorge in
Oregon and Washington.
* THUNDERSTORMS...Isolated to scattered thunderstorms.
* IMPACTS...Frequent lightning and critically dry fuels may
result in numerous fire starts. Thunderstorm outflow winds may
result in erratic fire spread.
The National Weather Service in Portland has issued a Fire
Weather Watch for thunderstorms, which is in effect from late
Saturday night through Sunday evening.
* 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.
* THUNDERSTORMS...Isolated to scattered thunderstorms.
* IMPACTS...Frequent lightning and critically dry fuels may
result in numerous fire starts. Thunderstorm outflow winds may
result in erratic fire spread.
* WHAT...Dangerously hot conditions with afternoon temperatures of
100-110 degrees expected over the weekend. This will pose a Major
risk of heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From 11 AM Saturday to 10 PM PDT Monday.
* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* WHAT...Hot conditions with afternoon temperatures of 95-105
degrees expected over the weekend. This will pose a Moderate to
Major risk of heat-related illness.
* WHERE...In Oregon, Central Oregon, Ochoco-John Day Highlands, and
North Central Oregon. In Washington, Lower Slopes of the Eastern
Washington Cascades Crest.
* WHEN...From 11 AM Saturday to 8 PM PDT Monday.
* 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 temperatures. Highs Friday 94 to 99, 98 to 107 Saturday
through Monday. Overnight lows mainly in the upper 50s and 60s.
* WHERE...Metaline Falls, Boulder Creek Road, Springdale-Hunters
Road, Chewelah, Orin-Rice Road, Tiger, Chesaw Road, Republic,
Highway 20 Wauconda Summit, Fruitland, Colville, Deer Park, Kettle
Falls, Wauconda, Ione, Northport, Sherman Pass, Flowery Trail
Road, Metaline, Inchelium, and Newport.
* WHEN...For the Heat Advisory, until 11 AM PDT Saturday. For the
Excessive Heat Warning, from 11 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially those without effective cooling or adequate hydration.
* WHAT...Very hot temperatures. High temperatures in the valleys 95
to 103 Friday, 97 to 107 Saturday, near 100 to 110 Sunday and
Monday. Lows in the mid 60s to mid 70s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...For the Heat Advisory, until 11 AM PDT Saturday. For the
Excessive Heat Warning, from 11 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions during the day for the valleys. Highs mid
90s to 105. Overnight lows mainly in the upper 50s and 60s
* WHERE...Anatone, Craigmont, Kamiah, Mountain Road, Winchester,
Nezperce, Cloverland Road, Soldiers Meadow Road, and Peola.
* WHEN...For the Heat Advisory, until 11 AM PDT Saturday. For the
Excessive Heat Warning, from 11 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* WHAT...Hot temperatures. Valley high temperatures 98 to 105. Highs
in the mountains in the 80s and 90s.
* WHERE...Stevens Pass, Stehekin, and Holden Village.
* WHEN...From 11 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially those without effective cooling or adequate hydration.
* WHAT...Very hot temperatures. High temperatures in the valleys 95
to 103 Friday, 97 to 107 Saturday, near 100 to 110 Sunday and
Monday. Lows in the mid 60s to mid 70s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...For the Heat Advisory, until 11 AM PDT Saturday. For the
Excessive Heat Warning, from 11 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially those without effective cooling or adequate hydration.
* WHAT...Hot temperatures. Highs Friday 94 to 99, 98 to 107 Saturday
through Monday. Overnight lows mainly in the upper 50s and 60s.
* WHERE...Metaline Falls, Boulder Creek Road, Springdale-Hunters
Road, Chewelah, Orin-Rice Road, Tiger, Chesaw Road, Republic,
Highway 20 Wauconda Summit, Fruitland, Colville, Deer Park, Kettle
Falls, Wauconda, Ione, Northport, Sherman Pass, Flowery Trail
Road, Metaline, Inchelium, and Newport.
* WHEN...For the Heat Advisory, until 11 AM PDT Saturday. For the
Excessive Heat Warning, from 11 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Heat will increase the risk of heat-related illnesses,
especially those without effective cooling or adequate hydration.
* WHAT...Hot conditions during the day for the valleys. Highs mid
90s to 105. Overnight lows mainly in the upper 50s and 60s
* WHERE...Anatone, Craigmont, Kamiah, Mountain Road, Winchester,
Nezperce, Cloverland Road, Soldiers Meadow Road, and Peola.
* WHEN...For the Heat Advisory, until 11 AM PDT Saturday. For the
Excessive Heat Warning, from 11 AM Saturday to 8 PM PDT Monday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
An Air Quality Alert, issued for all of Chelan County plus
the Methow Valley down to Brewster in Okanogan County will remain
in effect until further notice, due to expected smoke from the
Pioneer Fire and other regional wildfires. Particulate matter
(PM2.5) may reach Unhealthy and Unhealthy for Sensitive Groups
levels.
Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. Limit time outside, avoid strenuous
activity, and follow tips for cleaner indoor air. When air quality
is Unhealthy for Sensitive Groups, sensitive groups should take steps
to reduce exposure. Limit time outside, avoid strenuous outdoor
activity, and follow tips for cleaner indoor air. Everyone should
watch for symptoms as a sign to reduce exposure.
Agricultural and outdoor burning restrictions are in effect.
An Air Quality Alert has been issued by the following agencies:
Washington Department of Ecology
An Air Quality Alert, issued for all of Chelan County plus
the Methow Valley down to Brewster in Okanogan County will remain
in effect until further notice, due to expected smoke from the
Pioneer Fire and other regional wildfires. Particulate matter
(PM2.5) may reach Unhealthy and Unhealthy for Sensitive Groups
levels.
Health Impacts and Recommended Actions: When air quality is Unhealthy,
everyone should reduce exposure. Limit time outside, avoid strenuous
activity, and follow tips for cleaner indoor air. When air quality
is Unhealthy for Sensitive Groups, sensitive groups should take steps
to reduce exposure. Limit time outside, avoid strenuous outdoor
activity, and follow tips for cleaner indoor air. Everyone should
watch for symptoms as a sign to reduce exposure.
Agricultural and outdoor burning restrictions are in effect.
* WHAT...Daytime temperatures between 94 and 98 degrees expected.
* WHERE...Portions of southwest Washington and northwest Oregon,
including the Willamette Valley, the Portland Metro Area, Clark
County lowlands, the western and central Columbia River Gorge, and
Hood River Valley.
* WHEN...From 11 AM to 11 PM PDT Saturday.
* IMPACTS...Hot temperatures may cause heat illnesses.
...HOT DRY AND UNSTABLE CONDITIONS SUNDAY ACROSS THE CASCADES...
The National Weather Service in Spokane has issued a Fire Weather
Watch for hot dry and unstable conditions, which is in effect
from Sunday afternoon through Sunday evening.
* Affected Area: Fire Weather Zone 696 East Washington Central
Cascades, Fire Weather Zone 697 East Portion of North Cascades
National Park/Lake Chelan National Recreation Area, Fire Weather
Zone 698 East Washington North Cascades, Fire Weather Zone 704
Methow Valley and Fire Weather Zone 705 Foothills of Central
Washington Cascades.
* Winds: Southeast 5 to 10 mph becoming northwest 5 to 10 mph
towards sunset.
* Timing: 3 PM to 10 PM
* Relative Humidities: 8 to 14 percent in the valleys and 15 to 24
percent over the higher terrain.
* Temperatures: Up to 108.
* Impacts: Unstable conditions could lead to plume dominated
fires. Rapid fire spread with any new or existing fires. These
conditions may overwhelm initial attack capabilities.
* WHAT...Dangerously hot conditions with temperatures of 100-110
degrees expected over the weekend. This will pose a Major risk of
heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From 11 AM Saturday to 10 PM PDT Monday.
* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* WHAT...Hot conditions with temperatures of 100-105 degrees
expected over the weekend. This will pose a Moderate to Major risk
of heat-related illness.
* WHERE...In Oregon, Central Oregon, Ochoco-John Day Highlands, and
North Central Oregon. In Washington, Lower Slopes of the Eastern
Washington Cascades Crest.
* WHEN...From 11 AM Saturday to 8 PM PDT Monday.
* 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 104 degrees
expected. This will pose a major risk of heat-related illness.
* WHERE...Lower Columbia Basin of Oregon and Washington, Kittitas
Valley, and Yakima Valley.
* WHEN...From 11 AM Saturday to 10 PM PDT Monday.
* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* WHAT...Dangerously hot conditions with temperatures up to 104
degrees expected. This will pose a moderate to major risk of
heat-related illness.
* WHERE...Portions of central, north central, and northeast Oregon
and central and southeast Washington.
* WHEN...From 11 AM Saturday to 10 PM PDT Monday.
* IMPACTS...Extreme heat will significantly increase the risk of
heat-related illnesses for much of the population, especially
those who are heat sensitive and those without effective cooling
or adequate hydration.
* WHAT...Hot conditions with temperatures up to 103 degrees
expected. This will pose a moderate to major risk of heat-related
illness.
* WHERE...In Oregon, Central Oregon, Ochoco-John Day Highlands, and
North Central Oregon. In Washington, Lower Slopes of the Eastern
Washington Cascades Crest.
* WHEN...From 11 AM Saturday to 8 PM PDT Monday.
* 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.
