* WHAT...Heat index values up to 92.
* WHERE...Gifford, Oakesdale, Lewiston Grade, Lapwai, Peck, Tekoa,
Odessa, Pullman, Pomeroy, Alpowa Summit, Grand Coulee, La Crosse,
Ritzville, Coulee City, Clarkston, Colfax, Culdesac, Harrington,
Rosalia, Wilbur, Uniontown, Creston, and Lewiston.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
* WHAT...Hot conditions with high temperatures between 95 and 105.
* WHERE...Othello, Cashmere, Chelan, Quincy, Pangborn Airport,
Entiat, Number 1 Canyon, Number 2 Canyon, Wenatchee, Ephrata, and
Moses Lake.
* WHEN...Until 9 PM PDT this evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events.
...HOT, DRY, AND BREEZY TUESDAY AND WEDNESDAY...
.Afternoon Cascade gap winds will develop Tuesday and Wednesday
afternoons across central Washington with hot temperatures in the
80s and 90s and dry conditions.
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 8 PM PDT Wednesday.
* Affected Area: Fire Weather Zone 707 Western Columbia Basin
(Zone 707).
* Winds: Southwest 10 to 15 mph with gusts up to 30 mph.
* Relative Humidities: 11 to 19 percent.
* Impacts: Risk of rapidly spreading fires.
...HOT, DRY, AND BREEZY TUESDAY AND WEDNESDAY...
.Afternoon Cascade gap winds will develop Tuesday and Wednesday
afternoons across central Washington with hot temperatures in the
80s and 90s and dry conditions.
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 8 PM PDT Wednesday.
* Affected Area: Fire Weather Zone 705 Foothills of Central
Washington Cascades (Zone 705) and Fire Weather Zone 706
Waterville Plateau (Zone 706).
* Winds: West 10 to 20 mph with gusts up to 35 mph.
* Relative Humidities: 8 to 21 percent.
* Impacts: Risk of rapidly spreading fires.
...HOT, DRY, AND BREEZY TUESDAY AND WEDNESDAY...
.Afternoon Cascade gap winds will develop Tuesday and Wednesday
afternoons across central Washington with hot temperatures in the
80s and 90s and dry conditions.
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 8 PM PDT Wednesday.
* Affected Area: Fire Weather Zone 705 Foothills of Central
Washington Cascades (Zone 705) and Fire Weather Zone 706
Waterville Plateau (Zone 706).
* Winds: West 10 to 20 mph with gusts up to 35 mph.
* Relative Humidities: 8 to 21 percent.
* Impacts: Risk of rapidly spreading fires.
* WHAT...Temperatures 95 to 100 degrees.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...Until 10 PM MDT /9 PM PDT/ this evening.
* IMPACTS...Hot temperatures may cause heat illnesses, especially
for the young, elderly, and animals.
...RED FLAG WARNING FOR LIGHTNING FOR FIRE WEATHER ZONES 672 AND
673 BELOW 3000 FEET THROUGH WEDNESDAY AFTERNOON...
.Scattered thunderstorms will continue to develop this afternoon
into this evening. These storms will produce gusty outflow winds
and little rainfall. A lull in activity is expected overnight
before storms increase again Wednesday morning. The storms
Wednesday should be wetter but unlikely to produce wetting rains
in all areas.
* THUNDERSTORMS...Scattered.
* OUTFLOW WINDS...Up to 60 mph.
...BREEZY WINDS AND LOW HUMIDITY EXPECTED TODAY AND TUESDAY...
.Winds are expected to increase through the Kittitas Valley,
Columbia River Gorge, and into the Columbia Basin again in the
afternoon Tuesday. This, combined with very low RHs due to the
ongoing heat wave, will make for increased risks for wildfire
spread, especially during the afternoon and early evening hours
Tuesday.
* AFFECTED AREA...Fire Weather Zones 690 Kittitas Valley and 691
Lower Columbia Basin of Washington.
* TIMING...Until 8 PM PDT this evening.
* WINDS...West 10 to 20 mph with gusts up to 25 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
...BREEZY WINDS AND LOW HUMIDITY EXPECTED TODAY AND TUESDAY...
.Winds are expected to increase through the Kittitas Valley,
Columbia River Gorge, and into the Columbia Basin again in the
afternoon Tuesday. This, combined with very low RHs due to the
ongoing heat wave, will make for increased risks for wildfire
spread, especially during the afternoon and early evening hours
Tuesday.
The National Weather Service in Pendleton has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
until 8 PM PDT this evening.
* AFFECTED AREA...Fire Weather Zone 691 Lower Columbia Basin of
Oregon.
* TIMING...Until 8 PM PDT this evening.
* WINDS...West 15 to 20 mph with gusts up to 30 mph.
* RELATIVE HUMIDITY...As low as 12 percent.
* IMPACTS...Any fire that develops will catch and spread
quickly. Outdoor burning is not recommended.
* WHAT...Hot conditions with high temperatures between 96-103
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Lower Columbia Basin of Washington and
Foothills of the Blue Mountains of Washington.
* WHEN...Until 9 PM PDT this evening.
* 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to continue
through this afternoon.
* WHAT...Hot conditions with high temperatures between 95-102
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon, Kittitas Valley, and Yakima Valley.
* WHEN...Until 9 PM PDT this evening.
* 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to continue
through this afternoon.
* WHAT...Hot conditions with high temperatures between 96-103
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Lower Columbia Basin of Washington and
Foothills of the Blue Mountains of Washington.
* WHEN...Until 9 PM PDT this evening.
* 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to continue
through this afternoon.
* WHAT...Hot conditions with high temperatures between 90-100
degrees expected with overnight lows 60-70 degrees. This will pose
a moderate to locally major risk of heat-related illness.
* WHERE...Foothills of the Southern Blue Mountains of Oregon and
North Central Oregon.
* WHEN...Until 9 PM PDT this evening.
* 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to continue
through this afternoon.
* WHAT...Hot conditions with high temperatures between 95-102
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon, Kittitas Valley, and Yakima Valley.
* WHEN...Until 9 PM PDT this evening.
* 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.
* ADDITIONAL DETAILS...Hottest temperatures are expected to continue
through this afternoon.
...RED FLAG WARNING FOR LIGHTING FOR FIRE WEATHER ZONES 672 AND
673 BELOW 3000 FEET THIS AFTERNOON THROUGH WEDNESDAY AFTERNOON...
.Scattered thunderstorms will develop this afternoon into this
evening. These will produce gusty outflow winds and little
rainfall. A lull in activity is expected overnight before storms
increase again Wednesday morning. The storms Wednesday should be
wetter but still not produce wetting rains in all areas.
The National Weather Service in Boise has issued a Red Flag
Warning, which is in effect from 1 PM MDT /noon PDT/ this
afternoon to 6 PM MDT /5 PM PDT/ Wednesday.
* THUNDERSTORMS...Scattered.
* OUTFLOW WINDS...Up to 60 mph.
* WHAT...Temperatures up to 100 degrees.
* WHERE...Oregon Lower Treasure Valley.
* WHEN...Until 10 PM MDT /9 PM PDT/ this evening.
* IMPACTS...Hot temperatures may cause heat illnesses, especially
for the young, elderly, and animals.
* WHAT...Hot conditions with high temperatures between 96-103
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Lower Columbia Basin of Washington and
Foothills of the Blue Mountains of 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.
* WHAT...Hot conditions with high temperatures between 95-102
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
Lower Columbia Basin of Oregon, Kittitas Valley, and Yakima Valley.
* 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.
* WHAT...Hot conditions with high temperatures between 96-103
degrees expected with overnight lows of 60-70 degrees. This will
pose a moderate to locally major risk of heat-related illness.
* WHERE...In Oregon, Foothills of the Northern Blue Mountains of
Oregon. In Washington, Lower Columbia Basin of Washington and
Foothills of the Blue Mountains of 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.