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

Flood Watch issued March 16 at 3:20AM PDT until March 16 at 11:00PM PDT by NWS Portland OR

Effective: Sun March 16, 2025, 3:20 AM
Expires: Sun March 16, 2025, 5:00 PM

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...A portion of west central Oregon, including the following areas, Benton County Lowlands, Cascade Foothills of Marion and Linn Counties, Central Coast of Oregon, Central Oregon Coast Range, Central Oregon Coast Range Lowlands, Lane County Cascade Foothills, Lane County Lowlands and Linn County Lowlands. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. Landslides and debris flows are possible during this flood event. People, structures, and roads located below steep slopes, in canyons, and near the mouths of canyons may be at serious risk from rapidly moving landslides. * ADDITIONAL DETAILS... - An atmospheric river affecting southwestern Oregon will bring periods of locally heavy rain, with rain rates exceeding 0.25 inches per hour at times. - http://www.weather.gov/safety/flood

You should monitor later forecasts and be alert for possible Flood Warnings. Those living in areas prone to flooding should be prepared to take action should flooding develop.

Winter Storm Warning issued March 16 at 3:15AM PDT until March 16 at 11:00PM PDT by NWS Portland OR

Effective: Sun March 16, 2025, 3:15 AM
Expires: Sun March 16, 2025, 5:00 PM

* WHAT...Heavy snow. Additional snow accumulations up to 2 feet, with the highest amounts above 4000 feet. * WHERE...Northern and Central Oregon Cascades. * WHEN...Until 11 PM PDT this evening. * IMPACTS...Roads, and especially bridges and overpasses, will become slick and hazardous.

Consider postponing travel until weather conditions improve. If you must travel, be sure to slow down and allow extra time. If your car becomes trapped in deep snow, be sure to keep your car off to stay safe from potential carbon monoxide poisoning. Backcountry recreation is not advised.

Flood Watch issued March 15 at 7:27PM PDT until March 17 at 12:00AM PDT by NWS Portland OR

Effective: Sat March 15, 2025, 7:27 PM
Expires: Sun March 16, 2025, 7:15 AM

...The National Weather Service in Portland OR has issued a Flood Watch for the following rivers in Oregon... Mohawk River Near Springfield affecting Lane County Lowlands. Long Tom River at Monroe affecting Benton County Lowlands. Siuslaw River near Mapleton affecting Central Oregon Coast Range Lowlands and Central Coast of Oregon. * WHAT...Flooding is possible. * WHERE...Siuslaw River near Mapleton. * WHEN...From Sunday afternoon to midnight Sunday night. * IMPACTS...Above 18.0 feet, expect minor flooding of low lying dairy land along with some structures right along the banks of the Siuslaw River in and near Mapleton. * ADDITIONAL DETAILS... - At 6:00 PM PDT Saturday the stage was 10.8 feet. - Forecast...Flood stage may be reached based on the latest forecast information. The river is currently forecast to crest near flood stage of 18 feet late Sunday afternoon or Sunday evening. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Additional information is available at www.weather.gov. The next statement will be issued Sunday morning at 715 AM PDT.

Flood Watch issued March 15 at 7:27PM PDT until March 17 at 12:00AM PDT by NWS Portland OR

Effective: Sat March 15, 2025, 7:27 PM
Expires: Sun March 16, 2025, 7:15 AM

...The National Weather Service in Portland OR has issued a Flood Watch for the following rivers in Oregon... Mohawk River Near Springfield affecting Lane County Lowlands. Long Tom River at Monroe affecting Benton County Lowlands. Siuslaw River near Mapleton affecting Central Oregon Coast Range Lowlands and Central Coast of Oregon. * WHAT...Flooding is possible. * WHERE...Long Tom River at Monroe. * WHEN...From Sunday afternoon to midnight Sunday night. * IMPACTS...Above 9.0 feet, flood waters threaten some roads and low-lying agricultural land in the vicinity of Monroe. * ADDITIONAL DETAILS... - At 6:45 PM PDT Saturday the stage was 6.2 feet. - Forecast...Flood stage may be reached based on the latest forecast information. The river is currently forecast to crest near flood stage of 9 feet late Sunday afternoon or Sunday evening. - Flood stage is 9.0 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Additional information is available at www.weather.gov. The next statement will be issued Sunday morning at 715 AM PDT.

Flood Watch issued March 15 at 7:27PM PDT until March 17 at 12:00AM PDT by NWS Portland OR

Effective: Sat March 15, 2025, 7:27 PM
Expires: Sun March 16, 2025, 7:15 AM

...The National Weather Service in Portland OR has issued a Flood Watch for the following rivers in Oregon... Mohawk River Near Springfield affecting Lane County Lowlands. Long Tom River at Monroe affecting Benton County Lowlands. Siuslaw River near Mapleton affecting Central Oregon Coast Range Lowlands and Central Coast of Oregon. * WHAT...Flooding is possible. * WHERE...Siuslaw River near Mapleton. * WHEN...From Sunday afternoon to midnight Sunday night. * IMPACTS...Above 18.0 feet, expect minor flooding of low lying dairy land along with some structures right along the banks of the Siuslaw River in and near Mapleton. * ADDITIONAL DETAILS... - At 6:00 PM PDT Saturday the stage was 10.8 feet. - Forecast...Flood stage may be reached based on the latest forecast information. The river is currently forecast to crest near flood stage of 18 feet late Sunday afternoon or Sunday evening. - Flood stage is 18.0 feet. - http://www.weather.gov/safety/flood

If you are in the watch area, remain alert to possible flooding. Residents and those with interests near the river should monitor rising water levels and be prepared for possible flood warnings. Please report observed flooding to local emergency services or law enforcement and request they pass this information to the National Weather Service when you can do so safely. Stay tuned to further developments by listening to your local radio, television, or NOAA Weather Radio for further information. Additional information is available at www.weather.gov. The next statement will be issued Sunday morning at 715 AM PDT.