* WHAT...Dangerously hot conditions with little overnight relief.
Highs in the 90s to lower 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 Tuesday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Persistent Major to locally Extreme HeatRisk
(risk of heat-related impacts) is anticipated through the duration
of the event.
* WHAT...Dangerously hot conditions with little relief overnight
expected. Highs in the 90s to low 100s. Morning lows in the mid to
upper 60s.
* WHERE...Portions of north central and northeast Oregon as well as
central, south central, and southeast Washington.
* WHEN...From noon Friday to 10 PM PDT Tuesday.
* IMPACTS...Heat-related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...Sunday, Monday, and Tuesday are forecast to
be the hottest days with Major to locally Extreme HeatRisk (risk
of heat-related impacts).
* 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...Bonners Ferry, Metaline Falls, Athol, Sandpoint,
Pinehurst, Newport, Clark Fork, Osburn, Ione, Republic, Boulder
Creek Road, Fruitland, Colville, Deer Park, Schweitzer Mountain
Road, Wallace, Northport, Priest River, Kettle Falls, Mullan,
Orin-Rice Road, Tiger, Metaline, Fernwood, Inchelium, Highway 20
Wauconda Summit, Chesaw Road, Eastport, Dobson Pass, Sherman Pass,
Fourth Of July Pass, Chewelah, Wauconda, Lookout Pass, Flowery
Trail Road, Kellogg, Springdale-Hunters Road, and St. Maries.
* 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...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, Holden Village, and Stevens Pass.
* WHEN...From noon Saturday to 10 PM PDT Tuesday.
* IMPACTS...Hot temperatures and high humidity 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...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...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 Thursday to 11 PM PDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Afternoon temperatures will be in the upper 80s to middle
90s, though 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 Thursday to 11 PM PDT Sunday.
* IMPACTS...Hot temperatures may cause heat illnesses.
Patchy dense fog has been observed by spotters and traffic webcams
near Newport, Sandpoint, and Priest Lake. Visibilities will drop
as low as a quarter of a mile at times. Slow down, increase
following distance, and use low beam headlights in dense fog.
* 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 Thursday to 11 PM PDT Sunday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 25-35 percent chance that
temperatures will exceed 110 degrees on Saturday, and a 10-15
percent chance that temperatures will exceed 110 degrees Friday
and Sunday.
* 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 Central and Eastern Washington and North Idaho.
* WHEN...From noon Saturday to 10 PM PDT Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat.
* WHAT...Dangerously hot conditions with little relief overnight
expected. Highs in the 90s to low 100s. Morning lows in the mid to
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 Tuesday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* ADDITIONAL DETAILS...Sunday, Monday, and Tuesday are forecast to
be the hottest days with Major to locally Extreme HeatRisk (risk
of heat-related impacts).
* WHAT...Dangerously hot conditions during the day with little
relief overnight possible. Highs will be in the 90s to low 100s.
Overnight lows will be in upper 50s to low 70s.
* WHERE...Portions of North and North Central Idaho and Central,
East Central, North Central, Northeast, and Southeast Washington.
* WHEN...From Saturday afternoon through Tuesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* WHAT...Dangerously hot conditions with heat index values or 100
degrees and higher Friday through Tuesday and possibly longer.
* WHERE...Portions of central, north central, and northeast Oregon
and central, south central, and southeast Washington.
* WHEN...From Friday afternoon through Tuesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
* 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 Thursday to 11 PM PDT Sunday. The hottest
temperatures are expected Friday through Sunday, peaking on
Saturday.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* ADDITIONAL DETAILS...There is a 25-35 percent chance that
temperatures will exceed 110 degrees on Saturday, and a 10-15
percent chance that temperatures will exceed 110 degrees Friday
and Sunday.
* WHAT...Dangerously hot conditions with temperatures up to 103
possible.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From Thursday afternoon through Sunday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...A portion of Northeast Washington, including the following
county, Pend Oreille.
* WHEN...Until 530 PM PDT.
* IMPACTS...Ponding of water on roadways, including Highway 20 10
miles north of Cusick.
* ADDITIONAL DETAILS...
- At 337 PM PDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 1 and 2 inches of rain
have fallen.
- Additional rainfall amounts up to 0.5 inches are expected
over the area. This additional rain will result in minor
flooding.
- Some locations that will experience flooding include...
mainly rural areas of Central Pend Oreille County
- http://www.weather.gov/safety/flood
* WHAT...Dangerously hot conditions with temperatures up to 102
possible.
* WHERE...Portions of northwest and west central Oregon and
southwest Washington.
* WHEN...From Thursday afternoon through Sunday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events.
Patchy dense dog has been observed on traffic webcams across
northeast Washington. Visibilities will drop as low as a quarter
of a mile at times. Slow down, increase following distance, and
use low beam headlights in dense fog.