SnowMaps
Hazard Reports

Hazard Report Provided By forecast.weather.gov

URGENT - WEATHER MESSAGE
National Weather Service Portland OR
208 PM PDT Fri Aug 22 2025

ORZ104-105-126>128-WAZ202-211-230915-
/O.CON.KPQR.HT.Y.0005.000000T0000Z-250826T1200Z/
North Oregon Coast Range Lowlands-Central Oregon Coast Range
Lowlands-North Oregon Cascades-Cascades of Marion and Linn
Counties-Cascades of Lane County-Willapa and Wahkiakum Lowlands-
South Washington Cascades-
Including the cities of Waldo Lake, Glenwood, Government Camp,
Timothy Lake, McKenzie Pass, Willapa, Indian Heaven Wilderness,
Alma, Mapleton, Mt. St. Helens, Breitenbush Springs, Cathlamet,
Santiam Junction, Rosburg, Necanicum, Bennett Pass, Vernonia,
Jewell, Grand Ronde, Alsea, Knappa, Tombstone Summit, Larch
Mountain, Lebam, Lost Lake, Hoskins, Willamette Pass, Santiam
Pass, and Grand Ronde Indian Reservation
208 PM PDT Fri Aug 22 2025

...HEAT ADVISORY REMAINS IN EFFECT UNTIL 5 AM PDT TUESDAY...

* WHAT...Dangerously hot conditions with high temperatures up to
  93-98F and overnight low temperatures of 60-68F possible.

* WHERE...South Washington Cascades and the Northern and Central
  Cascades of Oregon, North and Central Coast Range Valleys of
  Oregon, and Willapa and Wahkiakum Lowlands.

* WHEN...Until 5 AM PDT Tuesday.

* IMPACTS...Heat related illnesses increase significantly during
  extreme heat events, especially for those spending time outdoors
  or without access to adequate cooling.

* ADDITIONAL DETAILS...Friday and Saturday will be the hottest days.
  Overnight lows as warm as the lower 70s are possible on the mid
  slopes of the Cascades.

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.

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

&&

$$

Hazard Report Provided By forecast.weather.gov

© Snowforecast.com 2018, All rights reserved.