Station Name: TUALATIN RIVER AT OSWEGO DAM, NEAR WEST LINN, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 151 feet

Nearest Address:
967 SW Borland Rd
West Linn, OR 97068
Clackamas County

GPS Coordinates: 45.35650877, -122.6850937

Nearby Water Temperatures

Red Flag Warning issued July 31 at 12:56PM PDT until August 1 at 11:00PM PDT by NWS Pendleton OR

Effective: Fri July 31, 2026, 12:56 PM
Expires: Fri July 31, 2026, 11:00 PM

...PARTICULARLY DANGEROUS SITUATION (PDS) RED FLAG IN EFFECT 2PM UNTIL 8PM SATURDAY FOR THE FOLLOWING AREAS: KITTITAS VALLEY (ZONE 690) - LOWER COLUMBIA BASIN OF OREGON AND WASHINGTON (ZONE 691) - NORTHERN BLUE MOUNTAINS OF OREGON AND WASHINGTON (ZONE 692) - CANYON GRASSLANDS OF WALLOWA COUNTY AND SOUTHEAST WASHINGTON GRANDE RONDE VALLEY (ZONE 693) - GRANDE RONDE VALLEY OF OREGON (ZONE 694) - EAGLE CAP WILDERNESS (ZONE 695) - JOHN DAY VALLEY (ZONE 696) - AND CENTRAL MOUNTAINS OF OREGON (ZONE 700)... .A strong cold front will pass through the Pacific and Inland Northwest on Saturday. Very warm, dry, and windy conditions will result, leading to extreme fire weather concerns and the potential for rapid fire spread for any new or ongoing fires. The National Weather Service in Pendleton has issued a Red Flag Warning for wind and low relative humidity, which is in effect from 11 AM to 11 PM PDT Saturday. * AFFECTED AREA...Fire Weather Zone 702 East Slopes of the Mt. Hood National Forest. * TIMING...From 11 AM to 11 PM PDT Saturday. * WINDS...West 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...As low as 30 percent. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of strong winds, low relative humidity, and warm temperatures can contribute to extreme fire behavior.

Air Quality Alert issued July 31 at 1:08PM PDT by NWS Portland OR

Effective: Fri July 31, 2026, 1:08 PM
Expires: Sat August 1, 2026, 12:00 PM

The Oregon Department of Environmental Quality has issued an Air Quality Advisory for eastern Clackamas County, which is IN EFFECT UNTIL NOON PDT MONDAY. 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 at times through noon PDT Monday. 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