Water Temperature of the South Santiam River in Waterloo, OR
Current Water Temperature
Measurement Time: Sunday, November 23, 2025, 11:30 PM PST
Temperature Locations
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Local Points of Interest
Waterloo Falls; Lebanon, ORSponsored Content
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
South Santiam River, Sweet Home, OR (8.9 mi)Middle Santiam River, Foster, OR (13.9 mi)
North Santiam River, Jefferson, OR (16.2 mi)
Willamette River , Albany, OR (17.0 mi)
South Santiam River, Cascadia, OR (17.7 mi)
Quartzville Creek, Cascadia, OR (19.3 mi)
Santiam River, Jefferson, OR (20.0 mi)
North Santiam River, Mehama, OR (20.6 mi)
Middle Santiam River, Cascadia, OR (22.3 mi)
Willamette River , Harrisburg, OR (23.4 mi)
Little North Santiam River, Lyons, OR (23.5 mi)
Long Tom River, Monroe, OR (26.6 mi)
McKenzie River, Eugene, OR (28.8 mi)
Camp Creek, Springfield, OR (29.7 mi)
McKenzie River, Walterville, OR (29.7 mi)
Weather for Waterloo, Oregon
Current Weather

Humidity: 100%
Feels Like: 36.7°F
Wind: ESE 2.2 mph
Wind Gusts: 6.7 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 0 mi
UV Index: 0
Five Day Weather Forecast

Mon
H: 51°F
L: 38°F

Tue
H: 43°F
L: 34°F

Wed
H: 53°F
L: 43°F

Thu
H: 53°F
L: 46°F

Fri
H: 51°F
L: 43°F
Air Quality
Nitrogen Dioxide: 3.25 μg/m3
Sulphur Dioxide: 1.55 μg/m3
Ozone: 71 μg/m3
Astronomical
Sun Transit: 11:58 AM
Sunset: 4:36 PM
Daylight: 9 hrs 17 mins
Moon Transit: 3:43 PM
Moonset: 8:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:13 PM - 5:43 PM
Minor Periods
7:36 PM - 9:06 PM10:58 AM - 12:28 AM
Action Rating: 2 out of 5
Beach Hazards Statement issued November 23 at 12:21PM PST until November 24 at 10:00AM PST by NWS Portland OR
Effective: Sun November 23, 2025, 12:21 PM
Expires: Mon November 24, 2025, 10:00 AM
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Monday morning. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...A Beach Hazards Statement is issued when sneaker waves create potentially life-threatening conditions in the surf zone. Caution should be used when in or near the water. Always keep an eye on the waves, and be especially watchful of children. Those participating in razor clam digs should exercise caution.
Remain out of the water to avoid hazardous swimming conditions.
Beach Hazards Statement issued November 24 at 2:15AM PST until November 24 at 10:00AM PST by NWS Portland OR
Effective: Mon November 24, 2025, 2:15 AM
Expires: Mon November 24, 2025, 10:00 AM
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Until 10 AM PST this morning. * IMPACTS...Waves can run up significantly farther on a beach than normal, including over rocks and jetties. Sneaker waves can suddenly knock people off of their feet and quickly pull them into the frigid ocean which may lead to serious injury or drowning. * ADDITIONAL DETAILS...A Beach Hazards Statement is issued when sneaker waves create potentially life-threatening conditions in the surf zone. Caution should be used when in or near the water. Always keep an eye on the waves, and be especially watchful of children.
Remain out of the water to avoid hazardous swimming conditions.
Weather Forecast
Average Temperature: 42.7°F
Average Humidity: 83%
Wind: 4.3 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 6.93 μg/m3
Sulphur Dioxide: 1.49 μg/m3
Ozone: 51.92 μg/m3
Astronomical
Sun Transit: 11:58 AM
Sunset: 4:36 PM
Daylight: 9 hrs 17 mins
Moon Transit: 3:43 PM
Moonset: 8:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 15.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:13 PM - 5:43 PM
Minor Periods
7:36 PM - 9:06 PM10:58 AM - 12:28 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 39.1°F
Average Humidity: 88%
Wind: 6 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 13.64 μg/m3
Sulphur Dioxide: 1.67 μg/m3
Ozone: 28.52 μg/m3
Astronomical
Sun Transit: 11:58 AM
Sunset: 4:36 PM
Daylight: 9 hrs 15 mins
Moon Transit: 4:32 PM
Moonset: 9:14 PM
Moon Phase: Waxing Crescent
Moon Illumination: 25.0%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:02 PM - 6:32 PM
Minor Periods
8:44 PM - 10:14 PM11:29 AM - 12:59 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 47.3°F
Average Humidity: 81%
Wind: 7.4 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 11.94 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 38.44 μg/m3
Astronomical
Sun Transit: 11:58 AM
Sunset: 4:35 PM
Daylight: 9 hrs 13 mins
Moon Transit: 5:19 PM
Moonset: 10:25 PM
Moon Phase: First Quarter
Moon Illumination: 35.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:49 PM - 7:19 PM
Minor Periods
9:55 PM - 11:25 PM11:55 AM - 1:25 PM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 49.8°F
Average Humidity: 86%
Wind: 19.7 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 7.31 μg/m3
Sulphur Dioxide: 1.66 μg/m3
Ozone: 56.4 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:35 PM
Daylight: 9 hrs 11 mins
Moon Transit: 6:05 PM
Moonset: 11:36 PM
Moon Phase: First Quarter
Moon Illumination: 46.5%
Best Times for Fishing or Hunting
Major Periods
12:42 AM - 3:12 AM5:35 PM - 8:05 PM
Minor Periods
12:00 AM - 12:00 AM12:17 AM - 1:47 PM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 46.9°F
Average Humidity: 90%
Wind: 21.5 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 10.09 μg/m3
Sulphur Dioxide: 1.6 μg/m3
Ozone: 52.31 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 4:34 PM
Daylight: 9 hrs 10 mins
Moon Transit: 6:51 PM
Moonset: 12:36 AM
Moon Phase: First Quarter
Moon Illumination: 57.8%
Best Times for Fishing or Hunting
Major Periods
1:27 AM - 3:57 AM6:21 PM - 8:51 PM
Minor Periods
12:36 AM - 2:06 PM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
