* WHAT...For the Heat Advisory, temperatures between 93 and 98
degrees expected. For the Extreme Heat Watch, dangerously hot
conditions with afternoon temperatures between 90 and 100 degrees
and low temperatures between 65 to 70 degrees possible.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley, Portland Metro Lowlands, Greater Vancouver Metro,
and Central Willamette Valley.
* WHEN...For the Heat Advisory, from 11 AM this morning to 10 PM PDT
this evening. For the Extreme Heat Watch, from Tuesday afternoon
through Wednesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 20-50% chance for high
temperatures of 100 degrees or hotter across the Willamette Valley
on Tuesday and 40-70% on Wednesday.
* WHAT...For the Heat Advisory, temperatures between 90 to 95
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures between to 90 to 100 degrees possible.
* WHERE...Lower Columbia River and Cowlitz River Valleys.
* WHEN...For the Heat Advisory, from 11 AM this morning to 10 PM PDT
this evening. For the Extreme Heat Watch, from Tuesday afternoon
through Wednesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...For the Heat Advisory, temperatures between 93 and 98
degrees expected. For the Extreme Heat Watch, dangerously hot
conditions with afternoon temperatures between 90 and 100 degrees
and low temperatures between 65 to 70 degrees possible.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley, Portland Metro Lowlands, Greater Vancouver Metro,
and Central Willamette Valley.
* WHEN...For the Heat Advisory, from 11 AM this morning to 10 PM PDT
this evening. For the Extreme Heat Watch, from Tuesday afternoon
through Wednesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 20-50% chance for high
temperatures of 100 degrees or hotter across the Willamette Valley
on Tuesday and 40-70% on Wednesday.
* WHAT...For the Heat Advisory, temperatures between 90 to 95
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures between to 90 to 100 degrees possible.
* WHERE...Lower Columbia River and Cowlitz River Valleys.
* WHEN...For the Heat Advisory, from 11 AM this morning to 10 PM PDT
this evening. For the Extreme Heat Watch, from Tuesday afternoon
through Wednesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Hot conditions with temperatures around 102 degrees. This
will pose a moderate to major risk of heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon and Washington, Foothills of the
Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley,
and Foothills of the Blue Mountains of Washington.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* ADDITIONAL DETAILS...Temperatures are expected to peak on Sunday.
Afternoon highs may reach as high as 105 degrees across the lower
Columbia Basin.
...HOT, DRY, WINDY SUNDAY AND MONDAY...
.Hot and dry conditions will be in place on Sunday. Westerly
winds will increase through the day across the East Slopes and
into the Western Columbia Basin. On Monday winds will shift out of
the north to northwest as a cold front passes. The Okanogan Valley
will be especially wind with gusts of 45-55 MPH possible.
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 Sunday. A Fire Weather Watch has also been
issued. This Fire Weather Watch for wind and low relative
humidity is in effect from Monday afternoon through Monday
evening. The Fire Weather Watch is no longer in effect.
* Affected Area: Methow Valley (Zone 704), Foothills of Central
Washington Cascades (Zone 705) and Waterville Plateau (Zone
706).
* Winds: Sunday: Northwest 10 to 20 MPH with gusts up to 30 MPH.
Monday: Northwest 15 to 25 mph with gusts 35 to 45 MPH, highest
on the Waterville Plateau.
* Relative Humidities: 15 to 22 percent.
* Impacts: Rapid fire spread is likely with any new or existing
fires.
...HOT, DRY, WINDY SUNDAY AND MONDAY...
.Hot and dry conditions will be in place on Sunday. Westerly
winds will increase through the day across the East Slopes and
into the Western Columbia Basin. On Monday winds will shift out of
the north to northwest as a cold front passes. The Okanogan Valley
will be especially wind with gusts of 45-55 MPH possible.
The National Weather Service in Spokane has issued a Fire Weather
Watch for wind and low relative humidity, which is in effect from
Monday afternoon through Monday evening.
* Affected Area: Western Columbia Basin (Zone 707).
* Winds: Northwest 15 to 25 mph with gusts up to 40 mph.
* Relative Humidities: 15 to 23 percent.
* Impacts: Rapid fire spread is likely with any new fires.
...HOT, DRY, WINDY SUNDAY AND MONDAY...
.Hot and dry conditions will be in place on Sunday. Westerly
winds will increase through the day across the East Slopes and
into the Western Columbia Basin. On Monday winds will shift out of
the north to northwest as a cold front passes. The Okanogan Valley
will be especially wind with gusts of 45-55 MPH possible.
The National Weather Service in Spokane has issued a Fire Weather
Watch for wind and low relative humidity, which is in effect from
Monday afternoon through Monday evening.
* Affected Area: Okanogan Valley (Zone 703).
* Winds: North 20 to 35 mph with gusts 45 to 55 mph.
* Relative Humidities: 20 to 30 percent.
* Impacts: Rapid fire spread is likely with any new fires.
...HOT, DRY, WINDY SUNDAY AND MONDAY...
.Hot and dry conditions will be in place on Sunday. Westerly
winds will increase through the day across the East Slopes and
into the Western Columbia Basin. On Monday winds will shift out of
the north to northwest as a cold front passes. The Okanogan Valley
will be especially wind with gusts of 45-55 MPH possible.
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 Sunday. A Fire Weather Watch has also been
issued. This Fire Weather Watch for wind and low relative
humidity is in effect from Monday afternoon through Monday
evening. The Fire Weather Watch is no longer in effect.
* Affected Area: Methow Valley (Zone 704), Foothills of Central
Washington Cascades (Zone 705) and Waterville Plateau (Zone
706).
* Winds: Sunday: Northwest 10 to 20 MPH with gusts up to 30 MPH.
Monday: Northwest 15 to 25 mph with gusts 35 to 45 MPH, highest
on the Waterville Plateau.
* Relative Humidities: 15 to 22 percent.
* Impacts: Rapid fire spread is likely with any new or existing
fires.
...HOT, DRY, WINDY SUNDAY AND MONDAY...
.Hot and dry conditions will be in place on Sunday. Westerly
winds will increase through the day across the East Slopes and
into the Western Columbia Basin. On Monday winds will shift out of
the north to northwest as a cold front passes. The Okanogan Valley
will be especially wind with gusts of 45-55 MPH possible.
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 Sunday. The Fire Weather Watch is no longer
in effect.
* Affected Area: East Washington Central Cascades (Zone 696).
* Winds: West 10 to 20 mph with gusts up to 30 mph.
* Relative Humidities: 18 to 25 percent in eastern half of zone
696 including lower river valleys around Leavenworth, Ardenvoir,
and lower Lake Chelan increasing to 30-40% closer to the crest.
* Impacts: Rapid fire spread is likely with any new fires.
* WHAT...For the Heat Advisory, temperatures between 90 to 95
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures between to 90 to 100 degrees possible.
* WHERE...Lower Columbia River and Cowlitz River Valleys.
* WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For
the Extreme Heat Watch, from Tuesday afternoon through Wednesday
evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...For the Heat Advisory, temperatures between 93 and 98
degrees expected. For the Extreme Heat Watch, dangerously hot
conditions with afternoon temperatures between 90 and 100 degrees
and low temperatures between 65 to 70 degrees possible.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley, Portland Metro Lowlands, Greater Vancouver Metro,
and Central Willamette Valley.
* WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For
the Extreme Heat Watch, from Tuesday afternoon through Wednesday
evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 30-50% chance for high
temperatures of 100 degrees or hotter across the Willamette Valley
on Wednesday.
* WHAT...For the Heat Advisory, temperatures between 93 and 98
degrees expected. For the Extreme Heat Watch, dangerously hot
conditions with afternoon temperatures between 90 and 100 degrees
and low temperatures between 65 to 70 degrees possible.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley, Portland Metro Lowlands, Greater Vancouver Metro,
and Central Willamette Valley.
* WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For
the Extreme Heat Watch, from Tuesday afternoon through Wednesday
evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 30-50% chance for high
temperatures of 100 degrees or hotter across the Willamette Valley
on Wednesday.
* WHAT...For the Heat Advisory, temperatures between 90 to 95
expected. For the Extreme Heat Watch, dangerously hot conditions
with temperatures between to 90 to 100 degrees possible.
* WHERE...Lower Columbia River and Cowlitz River Valleys.
* WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For
the Extreme Heat Watch, from Tuesday afternoon through Wednesday
evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Hot conditions with temperatures around 100 degrees
expected. This will pose a moderate to major risk of heat-related
illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon and Washington, Foothills of the
Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley,
and Foothills of the Blue Mountains of Washington.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Hot temperatures may cause heat illnesses. 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.
* ADDITIONAL DETAILS...Temperatures are expected to peak on Sunday.
Afternoon highs may reach as high as 105 degrees across the lower
Columbia Basin.
* WHAT...Dangerously hot conditions with temperatures between 90 to
100 degrees possible.
* WHERE...Lower Columbia River and Cowlitz River Valleys, Portland
Metro Hills, and West Columbia River Gorge of Oregon above 500 ft.
* WHEN...From Tuesday afternoon through Wednesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 40-60% chance that Tuesday night
low temperatures remain above 65 degrees and a 10-15% chance low
temperatures remain above 70 degrees, which would limit overnight
relief. There is also a 10-25% chance for high temperatures of 100
degrees or hotter on Tuesday and Wednesday.
* WHAT...For the Heat Advisory, temperatures between 93 and 98
degrees expected. For the Extreme Heat Watch, dangerously hot
conditions with afternoon temperatures between 90 and 100 degrees
and low temperatures between 65 to 70 degrees possible.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley, Portland Metro Lowlands, Greater Vancouver Metro,
and Central Willamette Valley.
* WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For
the Extreme Heat Watch, from Tuesday afternoon through Wednesday
evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 40-50% chance that Tuesday night
low temperatures remain above 65 degrees and a 10% chance low
temperatures remain above 70 degrees, which would limit overnight
relief. The highest chances are in the Portland/Vancouver Metro
Area and Columbia River Gorge. There is also 20-40% chance for
high temperatures of 100 degrees or hotter across the Willamette
Valley on Tuesday and Wednesday.
* WHAT...For the Heat Advisory, temperatures between 93 and 98
degrees expected. For the Extreme Heat Watch, dangerously hot
conditions with afternoon temperatures between 90 and 100 degrees
and low temperatures between 65 to 70 degrees possible.
* WHERE...Western and Central Columbia River Gorge and the Hood
River Valley, Portland Metro Lowlands, Greater Vancouver Metro,
and Central Willamette Valley.
* WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For
the Extreme Heat Watch, from Tuesday afternoon through Wednesday
evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 40-50% chance that Tuesday night
low temperatures remain above 65 degrees and a 10% chance low
temperatures remain above 70 degrees, which would limit overnight
relief. The highest chances are in the Portland/Vancouver Metro
Area and Columbia River Gorge. There is also 20-40% chance for
high temperatures of 100 degrees or hotter across the Willamette
Valley on Tuesday and Wednesday.