45°29'Š / 122°25'V / Aukštis 94 m / 09:24 2026-07-22, America/Los_Angeles (UTC-7)
nuo: 2026-07-21, 22:10
į: 2026-07-22, 11:00
* WHAT...Temperatures as high as 95 to 100 degrees. * WHERE...Greater Portland/Vancouver Metro, Western and Central Columbia River Gorge and the Hood River Valley, Lower Columbia River and Cowlitz River Valleys, Central Willamette Valley, and South Washington Cascade Foothills. * WHEN...Until 11 PM PDT Wednesday. * IMPACTS...Hot temperatures may cause heat illnesses. * ADDITIONAL DETAILS...Smoke from fires outside of the region or clouds moving into the area could result in cooler daytime high temperatures than currently forecast. There is around a 15-25% chance of thunderstorms on Wednesday afternoon which may increase cloud cover and thus cause temperatures to be slightly lower than forecast.
Multnomah,East Portland Metro
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.
NWS Portland OR
2026-07-21, 22:10
nuo: 2026-07-21, 13:30
į: 2026-07-22, 10:00
Oregon Department of Environmental Quality has issued an Air Quality Advisory, which is IN EFFECT UNTIL 6 PM PDT WEDNESDAY. An Air Quality Advisory for Smoke has been issued for Clackamas County. An Air Quality Advisory for Ozone has been issued for the Portland-Metro Area and around Salem. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels due to smoke and ozone at times through 6 PM Wednesday. Pollutants in smoke can cause burning eyes, runny nose, aggravate heart and lung diseases, and aggravate other serious health problems. Limit outdoor activities and keep children indoors if it is smoky. Please follow medical advice if you have a heart or lung condition. More information about air quality can be found at: www.oregon.gov/DEQ
MultnomahNWS Portland OR2026-07-21, 13:39