934
WWUS76 KPDT 031930
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1230 PM PDT Wed Sep 3 2025

ORZ041-044-507-508-510-WAZ024-026>029-521-042200-
/O.CON.KPDT.XH.W.0003.000000T0000Z-250905T0300Z/
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-
Including the cities of Prosser, Bickleton, Fossil, Toppenish,
Pilot Rock, Boardman, Dufur, Ellensburg, Connell, Condon, The
Dalles, Arlington, Moro, Pendleton, White Salmon, Walla Walla,
Maupin, Dayton, Thorp, Athena, Heppner, Ione, Tri-Cities,
Hermiston, Sunnyside, Naches, Waitsburg, Goldendale, and Yakima
1230 PM PDT Wed Sep 3 2025

...EXTREME HEAT WARNING REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Dangerously hot conditions with afternoon high temperatures
  of 95 to 103 degrees expected. This will pose a major risk of
  heat-related illness.

* WHERE...Portions of north central and northeast Oregon and
  central, south central, and southeast Washington.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Heat-related illnesses increase significantly during
  extreme heat events.

* ADDITIONAL DETAILS...Daily high temperature records are at risk
  for many cities in the warning area through Thursday.

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.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
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.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.

&&

$$

ORZ049-050-505-042200-
/O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
Grande Ronde Valley-Wallowa County-John Day Basin-
Including the cities of Union, Monument, John Day, Joseph, Cove,
Wallowa, Mitchell, Elgin, Dayville, Enterprise, Spray, and La
Grande
1230 PM PDT Wed Sep 3 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Hot conditions with afternoon high temperatures of 92 to
  102 degrees. This will pose a moderate to major risk of
  heat-related illness.

* WHERE...John Day Basin, Grande Ronde Valley, and Wallowa County.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
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.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.

&&

$$

ORZ502-WAZ030-042200-
/O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
Northern Blue Mountains of Oregon-Northwest Blue Mountains-
Including the cities of Tollgate, Meacham, and Ski Bluewood
Resort
1230 PM PDT Wed Sep 3 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Hot conditions with afternoon high temperatures of 85 to 95
  degrees. This will pose a moderate to major risk of heat-related
  illness.

* WHERE...In Oregon, Northern Blue Mountains of Oregon. In
  Washington, Northwest Blue Mountains.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
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.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.

&&

$$

WAZ523-042200-
/O.CON.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
Lower Slopes of the Eastern Washington Cascades Crest-
Including the cities of Cle Elum, Appleton, and Cliffdell
1230 PM PDT Wed Sep 3 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THURSDAY...

* WHAT...Hot conditions with afternoon high temperatures of 95 to
  100 degrees expected. This will pose a moderate to major risk of
  heat-related illness.

* WHERE...Lower Slopes of the Eastern Washington Cascades Crest.

* WHEN...Until 8 PM PDT Thursday.

* IMPACTS...Hot temperatures may cause heat illnesses.

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.

Take extra precautions if you work or spend time outside. When
possible reschedule strenuous activities to early morning or
evening. Know the signs and symptoms of heat exhaustion and heat
stroke. Wear lightweight and loose fitting clothing when possible.
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.

For sheltering information and other human services in your area,
dial 2 1 1 during business hours or visit 211info.org for Oregon or
wa211.org for Washington anytime.

&&

$$

MD