Station Name: WILLAMETTE RIVER AT HARRISBURG, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 308 feet / 94 meters

Nearest Address:
347 1st St
Harrisburg, OR 97446
Linn County

GPS Coordinates: 44.27040126, -123.1737036

Nearby Water Temperatures

Red Flag Warning issued August 27 at 1:12PM PDT until August 27 at 9:00PM PDT by NWS Medford OR

Effective: Wed August 27, 2025, 1:12 PM
Expires: Wed August 27, 2025, 9:00 PM

* IMPACTS...Abundant lightning on dry fuels resulting in the potential for numerous new fire starts. * AFFECTED AREA...In California, Fire weather zones 281, 284, and 285, and in Oregon, Fire weather zones 617, 623, 624, and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightning expected. Storms are likely to be wet, but lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * DETAILED URL...View the hazard area in detail at https://www.wrh.noaa.gov/map/?wfo=mfr

Follow all fire restrictions. You can find your county's emergency sign up form as well as links to fire restrictions at weather.gov/medford/wildfire. One less spark, one less wildfire. Be sure you're signed up for your county's emergency alert system. Familiarize yourself with your emergency plan and make sure you listen to emergency services. Visit ready.gov/plan for more information. A Red Flag Warning is issued when we identify weather conditions that promote rapid spread of fire which may become life- threatening. This does not mean there is a fire. These conditions are either occurring now or will begin soon. It is important to have multiple ways to receive information from authorities.

Red Flag Warning issued August 27 at 1:46PM PDT until August 27 at 9:00PM PDT by NWS Portland OR

Effective: Wed August 27, 2025, 1:46 PM
Expires: Wed August 27, 2025, 9:00 PM

...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR OUTFLOW WINDS AND HIGH INSTABILITY... * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 15-25% chance of thunderstorms through this evening. 5% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.

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 27 at 1:46PM PDT until August 27 at 9:00PM PDT by NWS Portland OR

Effective: Wed August 27, 2025, 1:46 PM
Expires: Wed August 27, 2025, 9:00 PM

...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR OUTFLOW WINDS AND HIGH INSTABILITY... * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 15-25% chance of thunderstorms through this evening. 5% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.

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 27 at 1:46PM PDT until August 27 at 9:00PM PDT by NWS Portland OR

Effective: Wed August 27, 2025, 1:46 PM
Expires: Wed August 27, 2025, 9:00 PM

...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR OUTFLOW WINDS AND HIGH INSTABILITY... * AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. In Washington, Fire Weather Zone 634 Southern Gifford Pinchot National Forest and Fire Weather Zone 635 Mt. Adams Ranger District of the Gifford-Pinchot National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 20-30% chance of thunderstorms through this evening. 10-15% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.

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 27 at 1:46PM PDT until August 27 at 9:00PM PDT by NWS Portland OR

Effective: Wed August 27, 2025, 1:46 PM
Expires: Wed August 27, 2025, 9:00 PM

...RED FLAG WARNING IN EFFECT THROUGH THIS EVENING FOR OUTFLOW WINDS AND HIGH INSTABILITY... * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...Isolated to scattered thunderstorms. 15-25% chance of thunderstorms through this evening. 5% chance for wetting rains with passing thunderstorms. * UNSTABLE...High instability with elevated mixing heights may promote pyroconvective activity. * OUTFLOW WINDS...Instantaneous gusts as high as 40 mph. Gusts at these speeds can be observed tens of miles away from the core of the thunderstorm. * IMPACTS...Conditions may be favorable for rapid fire spread which may threaten life and property. Thunderstorm outflow winds may result in unanticipated erratic fire spread. High instability may result in fire growth. Frequent lightning and critically dry fuels may result in fire starts.

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.