* WHAT...Dangerously hot conditions with temperatures 100 to 105
expected. Overnight temperatures will also be very warm and limit
chances to recover from the heat, with lows ranging from the mid
60s to low 70s.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...Until 8 PM PDT Monday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Hot temperatures with modest overnight relief. Afternoon
high temperatures of 90 to 105 degrees. Morning low temperatures
in the mid-50s to mid-60s.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...From noon Friday to 10 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Moderate to Major HeatRisk (risk of
heat-related impacts) is anticipated through the duration of the
event.
* WHAT...Dangerously hot conditions with little overnight relief.
Afternoon high temperatures of 95 to 110 degrees. Morning low
temperatures in the lower 60s to lower 70s.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...From noon Friday to 10 PM PDT Thursday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Major to locally Extreme HeatRisk (risk of
heat-related impacts) is anticipated through the duration of the
event.
* WHAT...Dangerously hot conditions with temperatures 100 to 105
expected. Overnight temperatures will also be very warm and limit
chances to recover from the heat, with lows ranging from the mid
60s to low 70s.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From noon today to 11 PM PDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Afternoon temperatures in the upper 80s to middle 90s
expected. A few spots could reach close to 100 deg in spots,
mainly those lower valleys that are located near the Willamette
Valley.
* WHERE...In Oregon, North Oregon Cascades, Cascades of Lane County,
and Cascades of Marion and Linn Counties. In Washington, South
Washington Cascades.
* WHEN...From noon today to 11 PM PDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Hot conditions with temperatures in the upper 80s and 90s
expected. This will pose a moderate to major risk of heat-related
illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From noon Friday 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 in the upper 70s and 80s
near the coast. Temperatures in the upper 80s and 90s away from
the coast. This will pose a moderate risk of heat-related illness.
* WHERE...Central Coast, North Coast, and Western Strait of Juan De
Fuca.
* WHEN...From noon Friday to 10 PM PDT Sunday.
* 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.
...DRY AND BREEZY CONDITIONS FRIDAY AFTERNOON...
.A weak weather system Friday will produce gusty winds and low
relative humidity in the Cascade gaps and Waterville Plateau.
The National Weather Service in Spokane has issued a Fire Weather
Watch for wind and low relative humidity, which is in effect from
Friday afternoon through Friday evening.
* Affected Area: Fire Weather Zone 705 Foothills of Central
Washington Cascades (Zone 705) and Fire Weather Zone 706
Waterville Plateau (Zone 706).
* Winds: West 15 to 25 mph with gusts up to 30 mph.
* Relative Humidities: 12 to 20 percent.
* Impacts: Any new or existing fires will have the potential to
spread rapidly.
...DRY AND BREEZY CONDITIONS FRIDAY...
.Breezy winds will develop through the Kittitas valley Friday and
will coincide with very low relative humidities in the afternoon.
The National Weather Service in Pendleton has issued a Fire
Weather Watch for wind and low relative humidity, which is in
effect from Friday afternoon through Friday evening.
* AFFECTED AREA...Fire Weather Zone 690 Kittitas Valley.
* WINDS...West 15 to 20 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Breezy conditions combined with low RHs will result
in rapid fire spread and extreme fire behavior.
* WHAT...Dangerously hot conditions with little overnight relief.
Highs in the 90s to middle 100s. Morning lows in the middle and
upper 60s.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...From noon Friday to 10 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Persistent Major to locally Extreme HeatRisk
(risk of heat-related impacts) is anticipated through the duration
of the event.
* WHAT...Hot temperatures with modest overnight relief. Highs in the
90s to lower 100s. Morning lows in the upper 50s to middle 60s.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...From noon Friday to 10 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Persistent Moderate to Major HeatRisk (risk
of heat-related impacts) is anticipated through the duration of
the event.
* WHAT...Dangerously hot conditions during the day with little
relief overnight. Highs will be in the 90s to 100s. Overnight lows
will be in 60s to low 70s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From noon Saturday to 10 PM PDT Thursday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat.
* WHAT...Dangerously hot conditions during the day for the valleys.
Highs will be in the 90s. Overnight lows will be in 50s to low 60s.
* WHERE...Stehekin, Stevens Pass, and Holden Village.
* WHEN...From noon Saturday to 10 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions during the day for the valleys.
Highs will be in the 90s. Overnight lows will be in 50s to low 60s.
* WHERE...Flowery Trail Road, Metaline, Colville, Schweitzer
Mountain Road, Sherman Pass, Boulder Creek Road, Bonners Ferry,
Dobson Pass, Wallace, Orin-Rice Road, Tiger, Inchelium, Osburn,
Sandpoint, Mullan, Chewelah, Fourth Of July Pass, St. Maries,
Republic, Fernwood, Newport, Metaline Falls, Eastport, Fruitland,
Deer Park, Pinehurst, Northport, Springdale-Hunters Road, Athol,
Priest River, Clark Fork, Ione, Kellogg, Chesaw Road, Highway 20
Wauconda Summit, Lookout Pass, Kettle Falls, and Wauconda.
* WHEN...From noon Sunday to 10 PM PDT Thursday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* WHAT...Dangerously hot conditions during the day for the valleys.
Highs will be in the 90s. Overnight lows will be in 50s to low 60s.
* WHERE...Holden Village, Stevens Pass, and Stehekin.
* WHEN...From noon Saturday to 10 PM PDT Tuesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* WHAT...Dangerously hot conditions during the day for the valleys.
Highs will be in the 90s. Overnight lows will be in 50s to low 60s.
* WHERE...Springdale-Hunters Road, Bonners Ferry, Athol, Orin-Rice
Road, Northport, Clark Fork, Kellogg, Sherman Pass, Wauconda,
Mullan, Flowery Trail Road, Dobson Pass, Pinehurst, Chesaw Road,
Kettle Falls, Eastport, Metaline, Fourth Of July Pass, Chewelah,
Osburn, St. Maries, Schweitzer Mountain Road, Wallace, Priest
River, Republic, Ione, Fruitland, Boulder Creek Road, Fernwood,
Newport, Colville, Lookout Pass, Metaline Falls, Deer Park,
Inchelium, Tiger, Sandpoint, and Highway 20 Wauconda Summit.
* WHEN...From noon Sunday to 10 PM PDT Tuesday.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* WHAT...Dangerously hot conditions during the day with little
relief overnight possible. Highs will be in the 90s to 100s.
Overnight lows will be in 60s to low 70s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From noon Saturday to 10 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat.
* WHAT...Hot conditions with temperatures in the upper 80s and 90s
expected. This will pose a moderate to major risk of heat-related
illness.
* WHERE...Portions of northwest and west central Washington.
* WHEN...From noon Friday to 10 PM PDT Monday.
* IMPACTS...This level of 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 will remain well above normal
next week with only gradual cooling expected.
* WHAT...Hot conditions with temperatures in the upper 70s and 80s
expected near the coast. Temperatures in the upper 80s and 90s
away from the coast. This will pose a moderate risk of
heat-related illness.
* WHERE...Central Coast, North Coast, and Western Strait of Juan De
Fuca.
* WHEN...From noon Friday to 10 PM PDT Sunday.
* 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...Marine air may move into coastal areas Sunday
and Monday providing relief. However, well above-normal
temperatures will persist inland well into next week.
* WHAT...Hot temperatures with modest overnight relief. Highs in the
90s to lower 100s. Morning lows in the upper 50s to middle 60s.
* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.
* WHEN...From noon Friday to 10 PM PDT Tuesday.
* IMPACTS...Hot temperatures may cause heat illnesses.
* ADDITIONAL DETAILS...Persistent Moderate to Major HeatRisk (risk
of heat-related impacts) is anticipated through the duration of
the event.
