Station Name: SOUTH SANTIAM RIVER AT WATERLOO, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 472 feet / 144 meters

Nearest Address:
31187 1st St
Waterloo, OR 97355
Linn County

GPS Coordinates: 44.4984564, -122.8234214

Nearby Water Temperatures

Red Flag Warning issued September 3 at 3:20AM PDT until September 3 at 9:00PM PDT by NWS Portland OR

Effective: Wed September 3, 2025, 3:20 AM
Expires: Wed September 3, 2025, 9:00 PM

* AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...A 15 to 25% chance of dry thunderstorms. Storms may produce very little rainfall, increasing the risk fo new fire starts from dry lightning. * 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. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity over ongoing fires. * IMPACTS...Conditions will 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 new 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 September 3 at 3:20AM PDT until September 3 at 9:00PM PDT by NWS Portland OR

Effective: Wed September 3, 2025, 3:20 AM
Expires: Wed September 3, 2025, 9:00 PM

* AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * THUNDERSTORMS...A 15 to 25% chance of dry thunderstorms. Storms may produce very little rainfall, increasing the risk fo new fire starts from dry lightning. * 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. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity over ongoing fires. * IMPACTS...Conditions will 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 new 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 September 3 at 3:20AM PDT until September 3 at 9:00PM PDT by NWS Portland OR

Effective: Wed September 3, 2025, 3:20 AM
Expires: Wed September 3, 2025, 9:00 PM

* AFFECTED AREA...In Oregon, Fire Weather Zone 688 Mt. Hood National Forest Region. * THUNDERSTORMS...A 15 to 20% chance of dry thunderstorms. Storms may produce very little rainfall, increasing the risk of new fire starts from dry lightning. * 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. * DRY AND UNSTABLE...Unstable conditions with elevated mixing heights may promote pyroconvective activity over ongoing fires. * 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 new 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 September 2 at 8:52PM PDT until September 3 at 9:00PM PDT by NWS Medford OR

Effective: Tue September 2, 2025, 8:52 PM
Expires: Wed September 3, 2025, 9:00 PM

* AFFECTED AREA...In California, Fire weather zone 285. In Oregon, Fire weather zones 617, 623, 624 and 625. * THUNDERSTORMS...Scattered thunderstorms with abundant lightningpossible. Storms may produce little or no rain, and lightning strikes outside of precipitation cores are possible, and may cause many new fire starts. Thunderstorms are expected to continue overnight and through Wednesday afternoon along and east of the Cascades. * OUTFLOW WINDS...Gusts of 35 to 50 mph could travel outward up to 25 miles from thunderstorm cores. * ADDITIONAL DETAILS...In addition to thunderstorm potential, conditions on Tuesday will be hot, dry, breezy, and unstable, adding to the heightened fire weather concerns for the day. * 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 September 2 at 8:21PM PDT until September 3 at 8:00PM PDT by NWS Pendleton OR

Effective: Tue September 2, 2025, 8:21 PM
Expires: Wed September 3, 2025, 8:00 PM

...RED FLAG WARNING ISSUED FOR ABUNDANT LIGHTNING THROUGH WEDNESDAY EVENING FOR THE SOUTHERN DESCHUTES NATIONAL FOREST... * AFFECTED AREA...Fire Weather Zone 705 Southern Deschutes National Forest. * TIMING...Until 8 PM PDT Wednesday. * IMPACTS...Any fire that develops will catch and spread quickly. Outdoor burning is not recommended. * THUNDERSTORMS...Isolated to scattered storms (confidence 25- 35%). * OUTFLOW WINDS...Gusts as high as 40 mph.

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.