Station Name: BULL RUN RIVER AT LOWER FLUME NR BRIGHTWOOD, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 2,838 feet

Nearest Address:
Zigzag Ranger Station
Brightwood, OR 97049
Multnomah County

GPS Coordinates: 45.4709515, -121.8653567

Nearby Water Temperatures

Red Flag Warning issued August 3 at 7:55PM PDT until August 5 at 8:00PM PDT by NWS Portland OR

Effective: Mon August 3, 2026, 7:55 PM
Expires: Tue August 4, 2026, 3:00 PM

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED IN THE WESTERN COLUMBIA RIVER GORGE TUESDAY AFTERNOON THROUGH WEDNESDAY EVENING FOR DRY CONDITIONS AND EASTERLY WINDS UP TO 40 MPH... * AFFECTED AREA...In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington. * WINDS...East 10 to 20 mph with gusts up to 40 mph. Winds will be strongest Tuesday morning through early Tuesday afternoon, and again Tuesday night through early Wednesday afternoon. * RELATIVE HUMIDITY...As low as 15-20 percent. Relative humidity values will be lowest Tuesday afternoon and Wednesday afternoon. Poor overnight humidity recoveries are expected Tuesday night 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.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of the above conditions can contribute to extreme fire behavior.

Red Flag Warning issued August 4 at 12:43AM PDT until August 5 at 8:00PM PDT by NWS Portland OR

Effective: Tue August 4, 2026, 12:43 AM
Expires: Tue August 4, 2026, 2:00 PM

...CRITICAL FIRE WEATHER CONDITIONS EXPECTED IN THE WESTERN COLUMBIA RIVER GORGE THIS AFTERNOON THROUGH WEDNESDAY EVENING FOR DRY CONDITIONS AND EASTERLY WINDS UP TO 38 MPH... * AFFECTED AREA...In Washington, Fire Weather Zone 636 Western Columbia River Gorge in Oregon and Washington. * WINDS...East 10 to 20 mph with gusts up to 38 mph. Winds will be strongest this morning through the early afternoon, and again tonight through early Wednesday 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.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of the above conditions can contribute to extreme fire behavior.