* 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.
At 800 PM PDT, Doppler radar was tracking a strong thunderstorm near
Suncrest, or 16 miles northwest of Spokane, moving east at 15 mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible. Heavy downpours and lightning are also expected.
Locations impacted include...
Deer Park, Chattaroy, Milan, and Elk.
This includes the following highways...
U.S. Highway 2 in Washington between mile markers 300 and 313.
U.S. Highway 395 in Washington between mile markers 171 and 182.
At 151 PM PDT, Doppler radar was tracking a cluster of strong
thunderstorms along a line extending from 16 miles northwest of
Newport to 13 miles southeast of Chewelah. Movement was east at 10
mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible. Brief heavy downpours and lightning are also
expected.
Locations impacted include...
Cusick, Usk, Dalkena, Bead Lake Campground, and South Skookum Lake
Campground.
At 135 PM PDT, Doppler radar was tracking a cluster of strong
thunderstorms 17 miles southwest of Nordman, or 22 miles northwest of
Priest River, moving east at 15 mph.
HAZARD...Winds in excess of 30 mph and half inch hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible. Heavy downpours and occasional lightning are also
expected.
Locations impacted include...
Browns Lake Campground and South Skookum Lake Campground.
At 132 PM PDT, Doppler radar was tracking a strong thunderstorm near
Deer Park, or 23 miles north of Spokane, moving east at 15 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible. Localized brief heavy downpours also expected.
Locations impacted include...
Deer Park, Milan, Diamond Lake, and Elk.
This includes the following highways...
U.S. Highway 2 in Washington between mile markers 307 and 330.
U.S. Highway 395 in Washington between mile markers 177 and 180.
At 127 PM PDT, Doppler radar was tracking a cluster of strong
thunderstorms over Fairchild AFB, or 9 miles northwest of Cheney,
moving east at 20 mph.
HAZARD...Winds in excess of 30 mph and pea size hail.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects. Minor hail damage to outdoor objects is
possible. Localized brief heavy downpours are also possible.
This strong thunderstorm will be near...
Airway Heights and Fairchild AFB around 135 PM PDT.
Spokane around 150 PM PDT.
Spokane Valley around 210 PM PDT.
Dishman around 215 PM PDT.
Other locations impacted by this storm include Marshall, Four Lakes,
Deep Creek, Opportunity, and Veradale.
This includes the following highways...
Interstate 90 in Washington between mile markers 262 and 291.
U.S. Highway 2 in Washington between mile markers 270 and 299.
U.S. Highway 195 in Washington between mile markers 86 and 95.
U.S. Highway 395 in Washington between mile markers 165 and 169.
At 501 PM PDT, Doppler radar was tracking a strong thunderstorm 11
miles southeast of Nespelem Community, or 40 miles southeast of Omak,
moving northeast at 35 mph.
HAZARD...Wind gusts up to 50 mph, pea size hail, infrequent
lightning and brief heavy rain.
SOURCE...Radar indicated.
IMPACT...Gusty winds could knock down tree limbs and blow around
unsecured objects.
Locations impacted include...
Keller and the southeastern portion of Chuweah Creek Fire burn scar.