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

Elevation Above Sea Level: 472 feet

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

GPS Coordinates: 44.4984564, -122.8234214

Nearby Water Temperatures

Freeze Watch issued April 15 at 10:50AM PDT until April 17 at 9:00AM PDT by NWS Portland OR

Effective: Wed April 15, 2026, 10:50 AM
Expires: Thu April 16, 2026, 1:00 AM

* WHAT...For the Frost Advisory, temperatures of 32 to 36 degrees will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 degrees possible. * WHERE...Cascade Foothills of Marion and Linn Counties and Lane County Cascade Foothills. * WHEN...For the Frost Advisory, from 1 AM to 9 AM PDT Thursday. For the Freeze Watch, from 1 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.

Frost Advisory issued April 15 at 10:50AM PDT until April 16 at 9:00AM PDT by NWS Portland OR

Effective: Wed April 15, 2026, 10:50 AM
Expires: Thu April 16, 2026, 1:00 AM

* WHAT...For the Frost Advisory, temperatures of 32 to 36 degrees will result in frost formation. For the Freeze Watch, sub-freezing temperatures as low as 30 degrees possible. * WHERE...Cascade Foothills of Marion and Linn Counties and Lane County Cascade Foothills. * WHEN...For the Frost Advisory, from 1 AM to 9 AM PDT Thursday. For the Freeze Watch, from 1 AM to 9 AM PDT Friday. * IMPACTS...Frost and freeze conditions could kill crops, other sensitive vegetation and possibly damage unprotected outdoor plumbing.

To prevent water pipes from freezing; wrap or drain or allow them to drip slowly. Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.

Frost Advisory issued April 15 at 10:50AM PDT until April 16 at 9:00AM PDT by NWS Portland OR

Effective: Wed April 15, 2026, 10:50 AM
Expires: Thu April 16, 2026, 1:00 AM

* WHAT...Temperatures of 32 to 36 degrees will result in frost formation. * WHERE...Central and Southern Willamette Valley, Northern and Central Coast Range Valleys and Mountains of Oregon, Tualatin Valley, Clackamas County Cascade Foothills, Cowlitz County Lowlands, North Clark County Lowlands, and South Washington Cascade Foothills. * WHEN...From 1 AM to 9 AM PDT Thursday. * IMPACTS...Frost could harm sensitive outdoor vegetation.

Take steps now to protect tender outdoor plants from the cold. Consider temporarily moving outdoor potted plants indoors if they are sensitive to cold temperatures, or temporarily covering sensitive plants with a lightweight cotton fabric (i.e., bedsheets, thin blankets), as this will help retain heat and provide frost protection for your plants.

Winter Storm Warning issued April 15 at 9:44AM PDT until April 16 at 5:00AM PDT by NWS Portland OR

Effective: Wed April 15, 2026, 9:44 AM
Expires: Wed April 15, 2026, 5:00 PM

* WHAT...Heavy snow above 2500 ft. Additional snow accumulations of up to 1 foot, and total snow accumulations of 1 to 2 feet at pass level. Winds could gust as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely 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. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised.

Winter Storm Warning issued April 15 at 11:40AM PDT until April 16 at 5:00AM PDT by NWS Portland OR

Effective: Wed April 15, 2026, 11:40 AM
Expires: Thu April 16, 2026, 1:00 AM

* WHAT...Heavy snow above 2500 ft. Additional snow accumulations of up to 1 foot, and total snow accumulations of 1 to 2 feet at pass level. Winds could gust as high as 35 mph. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 5 AM PDT Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely 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. Be aware that walking surfaces may be slick. Walk with extra care. Backcountry recreation is not advised.