Heat Advisory

* WHAT...Afternoon high temperatures of 95 to 100 degrees and morning low temperatures of 60 to 65 degrees expected.

* WHERE...Portions of northwest and west central Oregon and southwest Washington.

* WHEN...From noon Tuesday to 11 PM PDT Wednesday.

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

* ADDITIONAL DETAILS...Wildfire smoke continues to increase west of the Cascades over far northwest Oregon and southwest Washington, which may limit high temperatures by approximately 1-3 degrees. However, temperatures will still be hot enough to bring an increased risk of heat-related illnesses even if temperatures are dampened a few degrees from smoke.

Wednesday, Aug 5, 11:00 PM PDT

Red Flag Warning

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED IN THE WESTERN COLUMBIA RIVER GORGE THIS AFTERNOON THROUGH WEDNESDAY EVENING FOR DRY CONDITIONS AND EASTERLY WINDS UP TO 35 MPH...

* AFFECTED AREA...In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington.

* WINDS...Northeast 10 to 20 mph with gusts up to 30-35 mph. Winds will be strongest through this afternoon.

* RELATIVE HUMIDITY...As low as 15-20 percent. Relative humidity values will be lowest this afternoon and Wednesday afternoon. Poor overnight humidity recoveries are expected with maximum relative humidity values ranging between 35-45%.

* IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Use extra caution with potential ignition sources, especially in grassy areas. Outdoor burning is not recommended.

Wednesday, Aug 5, 8:00 PM PDT

Air Quality Alert

The Oregon Department of Environmental Quality and the Lane Regional Air Protection Agency have issued an Air Quality Advisory, which is in effect until further notice. An Air Quality Advisory for Smoke has been issued. Wildfires burning in the region combined with forecasted conditions will cause air quality to reach unhealthy levels due to smoke at times until further notice. 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 www.lrapa.org

Wednesday, Aug 5, 12:00 PM PDT
Partially cloudy
67°
Feels 67°
 65%
Dewpt 54°
 nnw
7 - 12 mph
Wednesday, Aug 5
Partly cloudy throughout the day.
60 92 60 - 92
Thursday, Aug 6
Clear conditions throughout the day.
63 91 63 - 91
Friday, Aug 7
Clear conditions throughout the day.
62 89 62 - 89
Saturday, Aug 8
Clear conditions throughout the day.
62 84 62 - 84
Sunday, Aug 9
Clear conditions throughout the day.
58 79 58 - 79
Monday, Aug 10
Clear conditions throughout the day.
58 79 58 - 79
Tuesday, Aug 11
Clear conditions throughout the day.
59 78 59 - 78
Wednesday, Aug 12
Partly cloudy throughout the day.
58 81 58 - 81
Thursday, Aug 13
Clear conditions throughout the day.
65 97 65 - 97
Friday, Aug 14
Becoming cloudy in the afternoon.
69 96 69 - 96
Saturday, Aug 15
Partly cloudy throughout the day.
62 88 62 - 88
Sunday, Aug 16
Partly cloudy throughout the day.
58 82 58 - 82
Monday, Aug 17
Cloudy skies throughout the day.
58 63 58 - 63
Tuesday, Aug 18
Clearing in the afternoon.
58 81 58 - 81
Wednesday, Aug 19
Partly cloudy throughout the day.
61 73 61 - 73
Weather forecast for Portland, OR on Wed, 05 Aug 2026 12:49:07 GMT