881
WWUS76 KPDT 030121
NPWPDT

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
621 PM PDT Tue Sep 2 2025

ORZ041-044-507-508-510-WAZ024-026>029-521-030930-
/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 Dayton, Heppner, Boardman, Hermiston,
Condon, Prosser, Ellensburg, Naches, Toppenish, Goldendale,
Connell, Athena, Thorp, Tri-Cities, Pendleton, Maupin, White
Salmon, Ione, Dufur, Waitsburg, The Dalles, Pilot Rock, Moro,
Fossil, Sunnyside, Walla Walla, Arlington, Yakima, and Bickleton
621 PM PDT Tue Sep 2 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.

&&

$$

ORZ050-030930-
/O.EXB.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
Wallowa County-
Including the cities of Joseph, Wallowa, and Enterprise
621 PM PDT Tue Sep 2 2025

...HEAT ADVISORY 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...Wallowa County.

* WHEN...Until 8 PM PDT Thursday.

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

* ADDITIONAL DETAILS...Hottest afternoon temperatures will be below
  roughly 3000 feet above sea level, especially in Hells Canyon.

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.

&&

$$

ORZ049-505-030930-
/O.EXT.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
Grande Ronde Valley-John Day Basin-
Including the cities of Cove, Mitchell, Spray, Union, John Day,
La Grande, Monument, Dayville, and Elgin
621 PM PDT Tue Sep 2 2025

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

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

* WHERE...John Day Basin and Grande Ronde Valley.

* 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-WAZ030-030930-
/O.EXT.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
Northern Blue Mountains of Oregon-Northwest Blue Mountains-
Including the cities of Meacham, Ski Bluewood Resort, and
Tollgate
621 PM PDT Tue Sep 2 2025

...HEAT ADVISORY NOW 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.

&&

$$

WAZ523-030930-
/O.EXT.KPDT.HT.Y.0008.000000T0000Z-250905T0300Z/
Lower Slopes of the Eastern Washington Cascades Crest-
Including the cities of Cle Elum, Appleton, and Cliffdell
621 PM PDT Tue Sep 2 2025

...HEAT ADVISORY NOW 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.

&&

$$

ORZ511-030300-
/O.CON.KPDT.HT.Y.0008.000000T0000Z-250903T0300Z/
Central Oregon-
Including the cities of Madras, Redmond, Prineville, and Bend
621 PM PDT Tue Sep 2 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 8 PM PDT THIS EVENING...

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

* WHERE...Central Oregon.

* WHEN...Until 8 PM PDT this evening.

* 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.

&&

$$

PDT