Water Temperature of the South Santiam River in Waterloo, OR
Current Water Temperature
Measurement Time: Saturday, January 24, 2026, 11:50 AM PST
Temperature Locations
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Local Points of Interest
Waterloo Falls; Lebanon, ORStation 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
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 mi)
South Santiam River, Cascadia, OR (17.7 mi)
Quartzville Creek, Cascadia, OR (19.3 mi)
Santiam River, Jefferson, OR (20 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

Five Day Weather Forecast

Sat
H: 47°F
L: 26°F

Sun
H: 51°F
L: 31°F

Mon
H: 57°F
L: 41°F

Tue
H: 55°F
L: 40°F

Wed
H: 54°F
L: 38°F
Air Quality
Nitrogen Dioxide: 7.95 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 41 μg/m3
Astronomical
Sun Transit: 12:23 AM
Sunset: 5:09 PM
Daylight: 9 hrs 32 mins
Moon Transit: 5:03 PM
Moonset: 12:08 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:33 PM - 7:03 PM
Minor Periods
12:00 AM - 12:00 AM9:44 AM - 11:14 AM
Action Rating: 2 out of 5
Cold Weather Advisory issued January 24 at 11:33AM PST until January 25 at 11:00AM PST by NWS Portland OR
Effective: Sat January 24, 2026, 11:33 AM
Expires: Sun January 25, 2026, 11:00 AM
* WHAT...Temperatures and wind chills as low as 20 to 25 degrees Fahrenheit expected. * WHERE...Central and Southern Willamette Valley, North and Central Coast Range Valleys of Oregon, Lower Columbia River and Cowlitz River Valleys, Tualatin Valley, Portland West Hills and Chehalem Mountain, North Clark County Lowlands, Inner Vancouver Metro, and South Washington Cascade Foothills. * WHEN...From 10 PM this evening to 11 AM PST Sunday. * IMPACTS...Wind chill values and very cold temperatures can lead to frostbite and hypothermia with prolonged exposure.
Those planning to venture outdoors should use common sense and dress warmly, making sure exposed skin is properly covered to prevent frostbite and/or hypothermia. Use caution while traveling outside. Wear appropriate clothing, a hat, and gloves. Keep pets indoors as much as possible. Make sure outdoor animals have a warm, dry shelter, food, and unfrozen water. Make frequent checks on older family, friends, and neighbors. Ensure portable heaters are used correctly. Do not use generators or grills inside. If you do not have heat in your home or lack shelter, you can call 211 for assistance locating appropriate shelter from the cold.
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.27 μg/m3
Sulphur Dioxide: 1.36 μg/m3
Ozone: 58.12 μg/m3
Astronomical
Sun Transit: 12:23 AM
Sunset: 5:09 PM
Daylight: 9 hrs 32 mins
Moon Transit: 5:03 PM
Moonset: 12:08 PM
Moon Phase: First Quarter
Moon Illumination: 34.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:33 PM - 7:03 PM
Minor Periods
12:00 AM - 12:00 AM9:44 AM - 11:14 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.26 μg/m3
Sulphur Dioxide: 1.69 μg/m3
Ozone: 47.72 μg/m3
Astronomical
Sun Transit: 12:23 AM
Sunset: 5:11 PM
Daylight: 9 hrs 34 mins
Moon Transit: 5:52 PM
Moonset: 12:08 AM
Moon Phase: First Quarter
Moon Illumination: 45.8%
Best Times for Fishing or Hunting
Major Periods
12:25 AM - 2:55 AM5:22 PM - 7:52 PM
Minor Periods
10:06 AM - 11:36 AM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 8.63 μg/m3
Sulphur Dioxide: 1.94 μg/m3
Ozone: 73.4 μg/m3
Astronomical
Sun Transit: 12:23 AM
Sunset: 5:12 PM
Daylight: 9 hrs 37 mins
Moon Transit: 6:46 PM
Moonset: 1:25 AM
Moon Phase: First Quarter
Moon Illumination: 57.1%
Best Times for Fishing or Hunting
Major Periods
1:16 AM - 3:46 AM6:16 PM - 8:46 PM
Minor Periods
10:33 AM - 12:03 AM12:55 AM - 2:25 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.04 μg/m3
Sulphur Dioxide: 1.5 μg/m3
Ozone: 60.72 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:14 PM
Daylight: 9 hrs 39 mins
Moon Transit: 7:45 PM
Moonset: 2:46 AM
Moon Phase: First Quarter
Moon Illumination: 68.0%
Best Times for Fishing or Hunting
Major Periods
2:12 AM - 4:42 AM7:15 PM - 9:45 PM
Minor Periods
11:08 AM - 12:38 AM2:16 AM - 3:46 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 9.82 μg/m3
Sulphur Dioxide: 1.29 μg/m3
Ozone: 53.38 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:15 PM
Daylight: 9 hrs 41 mins
Moon Transit: 8:48 PM
Moonset: 4:05 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 78.1%
Best Times for Fishing or Hunting
Major Periods
3:12 AM - 5:42 AM8:18 PM - 10:48 PM
Minor Periods
11:54 AM - 1:24 PM3:35 AM - 5:05 AM
Action Rating: 2 out of 5
