The National Weather Service in Spokane has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 2 PM to 9 PM PDT Wednesday.
* Affected Area: Methow Valley (Zone 704).
* Winds: Northwest 10 to 20 mph with gusts up to 30 mph.
* Relative Humidities: 12 to 17 percent.
* Impacts: Rapid fire spread is likely with any new fire starts.
The National Weather Service in Spokane has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 2 PM to 9 PM PDT Wednesday. The Fire Weather Watch is no
longer in effect.
* Affected Area: Okanogan Valley (Zone 703), Foothills of
Central Washington Cascades (Zone 705), Waterville Plateau
(Zone 706) and Western Columbia Basin (Zone 707).
* Winds: For the Wenatchee area and Waterville Plateau: West 15 to
25 mph with gusts up to 40 mph. For the Okanogan Valley and
Western Columbia Basin: West to Southwest 10 to 20 mph with
gusts up to 30 mph.
* Relative Humidities: 11 to 19 percent.
* Impacts: Rapid fire spread is likely with any new fire starts.
...DRY THUNDERSTORMS EXPECTED FOR CENTRAL OREGON TODAY, FOLLOWED
BY DRY AND WINDY CONDITIONS ACROSS THE COLUMBIA BASIN AND THROUGH
THE KITTITAS VALLEY WEDNESDAY...
.A ridge of high pressure overhead is inducing hot and dry
conditions across the region. Dry thunderstorms have already
initiated this afternoon across central Oregon. The ridge of high
pressure is anticipated to break down further on Wednesday, with
west winds picking up through the Cascade gaps. With RHs having
little time to recover from the heat, this will lead to critical
fire weather conditions across the Kittitas Valley and into the
Columbia Basin.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 2 PM to 9 PM PDT Wednesday. The Fire Weather Watch is no
longer in effect.
* AFFECTED AREA...Fire Weather Zone 691 Lower Columbia Basin of
Washington.
* TIMING...From 2 PM to 9 PM PDT Wednesday.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* WINDS...West 15 to 25 mph with gusts up to 35 mph.
* RELATIVE HUMIDITY...As low as 10 percent.
...DRY THUNDERSTORMS EXPECTED FOR CENTRAL OREGON TODAY, FOLLOWED
BY DRY AND WINDY CONDITIONS ACROSS THE COLUMBIA BASIN AND THROUGH
THE KITTITAS VALLEY WEDNESDAY...
.A ridge of high pressure overhead is inducing hot and dry
conditions across the region. Dry thunderstorms have already
initiated this afternoon across central Oregon. The ridge of high
pressure is anticipated to break down further on Wednesday, with
west winds picking up through the Cascade gaps. With RHs having
little time to recover from the heat, this will lead to critical
fire weather conditions across the Kittitas Valley and into the
Columbia Basin.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from 2 PM to 9 PM PDT Wednesday. The Fire Weather Watch is no
longer in effect.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* TIMING...From 2 PM to 9 PM PDT Wednesday.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* WINDS...Northwest 20 to 30 mph with gusts up to 40 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* WHAT...High temperatures between 93 and 104 degrees. Overnight
lows in the upper 50s to mid 60s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* Affected Area: Okanogan Valley (Zone 703), Foothills of
Central Washington Cascades (Zone 705), Waterville Plateau
(Zone 706) and Western Columbia Basin (Zone 707).
* Winds: For the Wenatchee area and Waterville Plateau: West 15
to 25 mph with gusts up to 40 mph. For the Okanogan Valley and
Western Columbia Basin West to Southwest 10 to 20 mph with gusts
up to 30 mph.
* Relative Humidities: 11 to 19 percent.
* Impacts: Rapid fire spread is possible with any new fire starts.
The National Weather Service in Spokane has issued a Fire Weather
Watch for wind and low relative humidity, which is in effect from
Wednesday afternoon through Wednesday evening.
* Affected Area: Okanogan Valley (Zone 703), Foothills of
Central Washington Cascades (Zone 705), Waterville Plateau
(Zone 706) and Western Columbia Basin (Zone 707).
* Winds: For the Wenatchee area and Waterville Plateau: West 15 to
25 mph with gusts up to 40 mph. For the Okanogan Valley and
Western Columbia Basin West to Southwest 10 to 20 mph with gusts
up to 30 mph.
* Relative Humidities: 11 to 19 percent.
* Impacts: Rapid fire spread is possible with any new fire starts.
* WHAT...Hot conditions with temperatures up to 103 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...Until 9 PM PDT Tuesday.
* 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 97 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Simcoe Highlands.
* WHEN...Until 9 PM PDT Tuesday.
* 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...Kittitas Valley and Yakima Valley.
* WHEN...Until 9 PM PDT Tuesday.
* 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 100 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...Until 9 PM PDT Tuesday.
* 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 100 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington.
* WHEN...Until 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
...DRY THUNDERSTORMS EXPECTED FOR CENTRAL OREGON TUESDAY, FOLLOWED
BY DRY AND WINDY CONDITIONS ACROSS THE KITTITAS VALLEY AND
WASHINGTON BASIN WEDNESDAY...
.The high pressure currently leading to hot and dry conditions
will start to break down Tuesday into Wednesday, allowing for dry
thunderstorms to develop across central Oregon. Once high pressure
has completely broken down on Wednesday, winds will pick up. With
RHs having little time to recover from Monday and Tuesday's heat,
this will lead to potentially critical fire weather conditions
across the Kittitas Valley and into the Washington Columbia Basin.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Wednesday afternoon through Wednesday evening.
* AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley and 691
Lower Columbia Basin of Washington.
* TIMING...From Wednesday afternoon through Wednesday evening.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* WINDS...For the Kittitas Valley, northwest winds 20 to 30 mph
with gusts up to 40 mph. For the Lower Columbia Basin of
Washington, west-northwest winds 15 to 20 mph with gusts up to
30 mph.
* RELATIVE HUMIDITY...As low as 15 percent.
* WHAT...High temperatures between 93 and 104 degrees. Overnight
lows in the upper 50s to mid 60s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From 9 AM this morning to 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Afternoon high temperatures of 94-102 degrees and overnight
low temperatures of 65-73 degrees expected. This will pose a
moderate to major risk of heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington.
* WHEN...From 9 AM Monday to 9 PM PDT Tuesday.
* 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...Afternoon high temperatures of 94-102 degrees and overnight
low temperatures of 60-68 degrees expected. This will pose a
moderate to major risk of heat-related illness.
* WHERE...Kittitas Valley and Yakima Valley.
* WHEN...From 9 AM Monday to 9 PM PDT Tuesday.
* 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...Afternoon high temperatures of 94-102 degrees and overnight
low temperatures of 62-70 degrees expected. This will pose a
moderate to major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Foothills of the Blue Mountains of
Washington.
* WHEN...From 9 AM Monday to 9 PM PDT Tuesday.
* 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...Afternoon high temperatures of 95-103 degrees and overnight
low temperatures of 63-71 degrees expected. This will pose a
moderate to major risk of heat-related illness.
* WHERE...Lower Columbia Basin of Oregon and Washington.
* WHEN...From 9 AM Monday to 9 PM PDT Tuesday.
* 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...Afternoon high temperatures of 91-99 degrees and overnight
low temperatures of 62-70 degrees expected. This will pose a
moderate to major risk of heat-related illness.
* WHERE...Simcoe Highlands.
* WHEN...From 9 AM Monday to 9 PM PDT Tuesday.
* 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...High temperatures between 93 and 104 degrees. Overnight
lows in the upper 50s to mid 60s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From 9 AM Monday to 9 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.