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Heat Advisory


URGENT - WEATHER MESSAGE
National Weather Service Portland OR
116 PM PDT Fri Jul 11 2025

ORZ116>118-121300-
/O.NEW.KPQR.HT.Y.0002.250713T1800Z-250714T0500Z/
Benton County Lowlands-Linn County Lowlands-Lane County Lowlands-
Including the cities of Philomath, Brownsville, Cottage Grove,
Monroe, Junction City, Albany, Harrisburg, Lebanon, Springfield,
Eugene, Creswell, and Corvallis
116 PM PDT Fri Jul 11 2025

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SUNDAY...

* WHAT...Temperatures between 93 and 97 degrees expected.

* WHERE...South Willamette Valley.

* WHEN...From 11 AM to 10 PM PDT Sunday.

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

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in a cool place during the heat of the
day, stay out of the sunshine, and check up on relatives and
neighbors. For those without air conditioning, use fans to keep air
moving. Keeps windows closed during the day and open at night,
unless air quality is degraded due to wildfire smoke.

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.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Portland OR
116 PM PDT Fri Jul 11 2025

ORZ109-111-112-114-115-120>122-WAZ205>207-209-210-121300-
/O.NEW.KPQR.HT.Y.0002.250713T1800Z-250714T0500Z/
/O.CON.KPQR.XH.A.0001.250715T1900Z-250717T0700Z/
Tualatin Valley-Inner Portland Metro-East Portland Metro-West
Central Willamette Valley-East Central Willamette Valley-West
Columbia River Gorge I-84 Corridor-Upper Hood River Valley-
Central Columbia River Gorge I-84 Corridor-North Clark County
Lowlands-Inner Vancouver Metro-East Clark County Lowlands-West
Columbia River Gorge SR 14 Corridor-Central Columbia River Gorge
SR 14 Corridor-
Including the cities of Hockinson, Portland, Washougal,
Troutdale, Carson, Eagle Creek, Sherwood, Sellwood, McMinnville,
Cape Horn, Tigard, Battle Ground, Forest Grove, Hood River,
Dallas, Salem, Lake Oswego, Rockcreek, Gresham, Odell, Keizer,
Hillsboro, Salmon Creek, Oregon City, North Bonneville, Monmouth,
Beacon Rock SP, Vancouver, Wyeth, Woodburn, Stayton, Multnomah
Falls, Stevenson, Underwood, Parkdale, Evergreen, Bonneville,
Newberg, Brush Prairie, Wilsonville, Cascade Locks, La Center,
Rooster Rock, Silverton, Sheridan, Fairview, Ridgefield, Happy
Valley, Molalla, and Camas
116 PM PDT Fri Jul 11 2025

...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SUNDAY...
...EXTREME HEAT WATCH REMAINS IN EFFECT FROM TUESDAY AFTERNOON
THROUGH WEDNESDAY EVENING...

* WHAT...For the Heat Advisory, temperatures between 93 and 97
  degrees expected. For the Extreme Heat Watch, dangerously hot
  conditions with afternoon temperatures between 90 and 100 degrees
  and low temperatures between 65 to 70 degrees possible.

* WHERE...Western and Central Columbia River Gorge and the Hood
  River Valley, Portland Metro Lowlands, Greater Vancouver Metro,
  and Central Willamette Valley.

* WHEN...For the Heat Advisory, from 11 AM to 10 PM PDT Sunday. For
  the Extreme Heat Watch, from Tuesday afternoon through Wednesday
  evening.

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

* ADDITIONAL DETAILS...There is a 50-75% chance that Tuesday night
  low temperatures remain above 65 degrees and a 15-25% chance low
  temperatures remain above 70 degrees, which would limit overnight
  relief. The highest chances are in the Portland/Vancouver Metro
  Area and Columbia River Gorge. There is also 20-40% chance for
  high temperatures of 100 degrees or hotter across the Willamette
  Valley on Tuesday and Wednesday.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Drink plenty of fluids, stay in a cool place during the heat of the
day, stay out of the sunshine, and check up on relatives and
neighbors. For those without air conditioning, use fans to keep air
moving. Keeps windows closed during the day and open at night,
unless air quality is degraded due to wildfire smoke.

Do not leave young children and pets in unattended vehicles. Car
interiors will reach lethal temperatures in a matter of minutes.

Monitor the latest forecasts and warnings for updates.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
116 PM PDT Fri Jul 11 2025

CAZ082>085-ORZ029>031-122315-
/O.CON.KMFR.HT.Y.0002.250712T2100Z-250715T0300Z/
South Central Siskiyou County-North Central and Southeast
Siskiyou County-Northeast Siskiyou and Northwest Modoc Counties-
Modoc County-Klamath Basin-Northern and Eastern Klamath County
and Western Lake County-Central and Eastern Lake County-
Including the cities of New Pine Creek, Valley Falls, Newell,
Paisley, Macdoel, Gilchrist, Bray, Davis Creek, Pondosa, Olene,
Alturas, Canby, Adel, Klamath Falls, Chemult, Midland, Lookout,
Fort Rock, Tulelake, Mount Shasta, McCloud, Crescent, Lakeview,
Day, Bly, Likely, Dunsmuir, Tennant, Adin, Altamont, Sprague
River, Dorris, and Beatty
116 PM PDT Fri Jul 11 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 8 PM PDT
MONDAY...

* WHAT...High temperatures of 95 to 100 are expected. Low
  temperatures will be mainly in the mid to upper 50s.

* WHERE...Lake County and eastern Klamath County, South Central
  Siskiyou County, North Central and Southeast Siskiyou County,
  Northeast Siskiyou and Northwest Modoc Counties, Modoc County, and
  Klamath Basin. This includes Klamath Falls, Lakeview, Mount
  Shasta, and Alturas.

* WHEN...From 2 PM Saturday to 8 PM PDT Monday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Temperatures will likely only be a couple to
  a few degrees cooler on Tuesday and Wednesday.

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.

&&

$$

URGENT - WEATHER MESSAGE
National Weather Service Medford OR
116 PM PDT Fri Jul 11 2025

ORZ023-025-122315-
/O.CON.KMFR.HT.Y.0002.250712T2100Z-250715T0300Z/
Central Douglas County-Eastern Douglas County Foothills-
Including the cities of Steamboat, Elkton, Winchester, Umpqua,
Drain, Green, Canyonville, Sutherlin, Roseburg, Glendale, Toketee
Falls, and Myrtle Creek
116 PM PDT Fri Jul 11 2025

...HEAT ADVISORY REMAINS IN EFFECT FROM 2 PM SATURDAY TO 8 PM PDT
MONDAY...

* WHAT...High temperatures in the mid 90s to around 100 are
  expected. Low temperatures will be mainly in the lower to mid 60s.

* WHERE...Central Douglas County and Eastern Douglas County
  Foothills. This includes Roseburg, Canyonville, and Toketee Falls.

* WHEN...From 2 PM Saturday to 8 PM PDT Monday.

* IMPACTS...Hot temperatures and high humidity may cause heat
  illnesses.

* ADDITIONAL DETAILS...Temperatures will likely only be a couple to
  a few degrees cooler on Tuesday and Wednesday.

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.

&&

$$

DW

URGENT - WEATHER MESSAGE
National Weather Service Pendleton OR
1202 PM PDT Fri Jul 11 2025

ORZ041-044-507-WAZ024-026>029-122200-
/O.NEW.KPDT.HT.Y.0004.250712T1900Z-250715T0300Z/
Eastern Columbia River Gorge of Oregon-Lower Columbia Basin of
Oregon-Foothills of the Northern Blue Mountains of Oregon-Eastern
Columbia River Gorge of Washington-Kittitas Valley-Yakima Valley-
Lower Columbia Basin of Washington-Foothills of the Blue
Mountains of Washington-
Including the cities of Dayton, Arlington, The Dalles, Pilot
Rock, Boardman, Yakima, Pendleton, White Salmon, Walla Walla,
Hermiston, Ione, Ellensburg, Athena, Tri-Cities, Naches,
Toppenish, Connell, Waitsburg, Prosser, Thorp, and Sunnyside
1202 PM PDT Fri Jul 11 2025

...HEAT ADVISORY IN EFFECT FROM NOON SATURDAY TO 8 PM PDT MONDAY...

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

* WHERE...Eastern Columbia River Gorge of Oregon and Washington,
  Lower Columbia Basin of Oregon and Washington, Foothills of the
  Northern Blue Mountains of Oregon, Kittitas Valley, Yakima Valley,
  and Foothills of the Blue Mountains of Washington.

* WHEN...From noon Saturday to 8 PM PDT Monday.

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

* ADDITIONAL DETAILS...Temperatures are expected to peak on Sunday.
  Afternoon highs may reach as high as 105 degrees across the lower
  Columbia Basin.

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.

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.

&&

$$

CE

U.S. Dept. of Commerce
NOAA National Weather Service
1325 East West Highway
Silver Spring, MD 20910
E-mail: w-nws.webmaster@noaa.gov
Page last modified: June 2, 2009
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