Extreme Heat Watch
URGENT - WEATHER MESSAGE
National Weather Service Spokane WA
107 PM PDT Thu Aug 21 2025
IDZ026-WAZ032-034-035-041-043-044-047-049-222300-
/O.EXT.KOTX.XH.A.0002.250823T1900Z-250828T0400Z/
Lewiston Area-Lower Garfield and Asotin Counties-Moses Lake Area-
Upper Columbia Basin-Wenatchee Area-Okanogan Valley-Waterville
Plateau-Central Chelan County-Western Okanogan County-
Including the cities of Bridgeport, Badger Mountain Road,
Culdesac, Number 2 Canyon, Othello, Brewster, Peck, Okanogan,
Waterville, Lapwai, Coulee City, Clarkston, Winthrop, Moses Lake,
Leavenworth, Twisp, Harrington, Number 1 Canyon, Creston, Quincy,
Tonasket, Disautel Pass, Lewiston, Nespelem, Plain, Lewiston
Grade, Omak, Grand Coulee, Mansfield, Wilbur, Ritzville, Gifford,
Alpowa Summit, Entiat, Oroville, Ephrata, Methow, Chelan, Odessa,
Pangborn Airport, Wenatchee, Conconully, Pomeroy, Loup Loup Pass,
Mazama, and Cashmere
107 PM PDT Thu Aug 21 2025
...EXTREME HEAT WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
* WHAT...Hot temperatures. High temperatures 95 to 102 degrees.
Limited overnight relief with low temperatures 65 to 74.
* WHERE...Bridgeport, Badger Mountain Road, Culdesac, Number 2
Canyon, Othello, Brewster, Peck, Okanogan, Waterville, Lapwai,
Coulee City, Clarkston, Winthrop, Moses Lake, Leavenworth, Twisp,
Harrington, Number 1 Canyon, Creston, Quincy, Tonasket, Disautel
Pass, Lewiston, Nespelem, Plain, Lewiston Grade, Omak, Grand
Coulee, Mansfield, Wilbur, Ritzville, Gifford, Alpowa Summit,
Entiat, Oroville, Ephrata, Methow, Chelan, Odessa, Pangborn
Airport, Wenatchee, Conconully, Pomeroy, Loup Loup Pass, Mazama,
and Cashmere.
* WHEN...From Saturday afternoon through Wednesday evening.
* IMPACTS...Hot temperatures will increase the risk of heat-related
illnesses. Heat of this magnitude affects anyone without cooling
and hydration as well as health systems and industries.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.
Take extra precautions when outside. Wear lightweight and loose
fitting clothing. Try to limit strenuous activities to early morning
or evening. Take action when you see symptoms of heat exhaustion and
heat stroke.
To reduce risk during outdoor work, the Occupational Safety and
Health Administration recommends scheduling frequent rest breaks in
shaded or air conditioned environments. Anyone overcome by heat
should be moved to a cool and shaded location. Heat stroke is an
emergency! Call 9 1 1.
&&
$$
JCLEV
URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1208 PM PDT Thu Aug 21 2025
ORZ041-044-507-508-510-WAZ024-026>029-521-523-222200-
/O.EXT.KPDT.XH.A.0003.250823T1900Z-250828T0400Z/
Eastern Columbia River Gorge of Oregon-Lower Columbia Basin of
Oregon-Foothills of the Northern Blue Mountains of Oregon-
Foothills of the Southern Blue Mountains of Oregon-North Central
Oregon-Eastern Columbia River Gorge of Washington-Kittitas Valley-
Yakima Valley-Lower Columbia Basin of Washington-Foothills of the
Blue Mountains of Washington-Simcoe Highlands-Lower Slopes of the
Eastern Washington Cascades Crest-
Including the cities of Moro, The Dalles, Maupin, Condon,
Bickleton, Cle Elum, Dayton, White Salmon, Tri-Cities, Pendleton,
Appleton, Athena, Cliffdell, Prosser, Walla Walla, Toppenish,
Boardman, Ellensburg, Arlington, Dufur, Thorp, Heppner, Pilot
Rock, Fossil, Naches, Hermiston, Waitsburg, Connell, Yakima,
Goldendale, Sunnyside, and Ione
1208 PM PDT Thu Aug 21 2025
...EXTREME HEAT WATCH NOW IN EFFECT FROM SATURDAY AFTERNOON THROUGH
WEDNESDAY EVENING...
* WHAT...Dangerously hot conditions with high temperatures of 95 to
105 degrees possible. This will pose a major to extreme risk of
heat-related illness.
* WHERE...Portions of north central and northeast Oregon and
central, south central, and southeast Washington.
* WHEN...From Saturday afternoon through Wednesday evening.
* IMPACTS...Heat related illnesses increase significantly during
extreme heat events. 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.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors. Young children and
pets should never be left unattended in vehicles under any
circumstances.
Monitor the latest forecasts and warnings for updates.
&&
$$
CE
