Water Temperature of the South Santiam River in Sweet Home, OR
Current Water Temperature
Measurement Time: Thursday, March 12, 2026, 9:50 AM PDT
Temperature Locations
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Local Points of Interest
Foster Reservoir; Foster Dam; Andrew Wiley Park; Camp KoinoniaStation Name: SOUTH SANTIAM RIVER NEAR FOSTER, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 564 feet
Nearest Address:
42853 Green River Dr
Sweet Home, OR 97386
Linn County
GPS Coordinates: 44.4123468, -122.6886956
Nearby Water Temperatures
Middle Santiam River, Foster, OR (7.3 mi)South Santiam River, Waterloo, OR (8.9 mi)
South Santiam River, Cascadia, OR (9.5 mi)
Quartzville Creek, Cascadia, OR (15.3 mi)
Middle Santiam River, Cascadia, OR (17.2 mi)
McKenzie River, Vida, OR (22.6 mi)
McKenzie River, Walterville, OR (24 mi)
North Fork Quartz Creek, Blue River, OR (24.3 mi)
Blue River Lake, Blue River, OR (24.5 mi)
Blue River, Blue River, OR (24.6 mi)
North Santiam River, Jefferson, OR (24.8 mi)
Blue River, Blue River, OR (24.9 mi)
North Santiam River, Mehama, OR (25.3 mi)
Camp Creek, Springfield, OR (25.5 mi)
Lookout Creek, Blue River, OR (25.5 mi)
Weather for Sweet Home, Oregon
Current Weather

Five Day Weather Forecast

Thu
H: 55°F
L: 50°F

Fri
H: 50°F
L: 44°F

Sat
H: 45°F
L: 35°F

Sun
H: 50°F
L: 33°F

Mon
H: 65°F
L: 39°F
Air Quality
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 62 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 11 hrs 45 mins
Moon Transit: 8:14 AM
Moonset: 12:18 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%
Best Times for Fishing or Hunting
Major Periods
7:44 AM - 10:14 AM3:39 PM - 6:09 PM
Minor Periods
11:48 AM - 1:18 PM3:44 AM - 5:14 AM
Action Rating: 3 out of 5
Flood Watch issued March 12 at 8:56AM PDT until March 16 at 11:00PM PDT by NWS Portland OR
Effective: Thu March 12, 2026, 8:56 AM
Expires: Thu March 12, 2026, 5:00 PM
...Forecast flooding changed to Minor severity for the following rivers in Oregon... Pudding River at Aurora affecting East Central Willamette Valley zone. * WHAT...Flooding is possible. * WHERE...Pudding River at Aurora. * WHEN...From Saturday afternoon to late Monday evening. * IMPACTS...Above 22.0 feet, expect minor flooding of low-lying agricultural lands and access roads along the river. * ADDITIONAL DETAILS... - At 8:00 AM PDT Thursday the stage was 10.6 feet. - Forecast...Flood stage may be reached Monday morning. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
If you are in the watch area, remain alert to possible flooding. Additional information is available at www.weather.gov. The next statement will be issued by 5 PM this afternoon.this afternoon at 500 PM PDT.
Flood Watch issued March 12 at 8:28AM PDT until March 13 at 11:00PM PDT by NWS Portland OR
Effective: Thu March 12, 2026, 8:28 AM
Expires: Thu March 12, 2026, 4:30 PM
* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest Oregon, including the following areas, Clackamas County Cascade Foothills, Clatsop County Coast, East Central Willamette Valley, East Portland Metro, Inner Portland Metro, Lower Columbia River, North Oregon Coast Range, North Oregon Coast Range Lowlands, Outer Southeast Portland Metro, Portland West Hills and Chehalem Mountain, Tillamook County Coast, Tualatin Valley, West Central Willamette Valley, West Columbia River Gorge I-84 Corridor and West Columbia River Gorge of Oregon above 500 ft and southwest Washington, including the following areas, Cowlitz County Lowlands, East Clark County Lowlands, Inner Vancouver Metro, North Clark County Lowlands, South Washington Cascade Foothills, West Columbia River Gorge SR 14 Corridor, Willapa Hills and Willapa and Wahkiakum Lowlands. * WHEN...Through Friday 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. Area creeks and streams are running high and could flood with more heavy rain. 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... - 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.
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.83 μg/m3
Sulphur Dioxide: 1.06 μg/m3
Ozone: 62.6 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 11 hrs 45 mins
Moon Transit: 8:14 AM
Moonset: 12:18 AM
Moon Phase: Last Quarter
Moon Illumination: 25.6%
Best Times for Fishing or Hunting
Major Periods
7:44 AM - 10:14 AM3:39 PM - 6:09 PM
Minor Periods
11:48 AM - 1:18 PM3:44 AM - 5:14 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.95 μg/m3
Sulphur Dioxide: 1.02 μg/m3
Ozone: 60.36 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 11 hrs 48 mins
Moon Transit: 9:06 AM
Moonset: 1:21 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%
Best Times for Fishing or Hunting
Major Periods
8:36 AM - 11:06 AM4:31 PM - 7:01 PM
Minor Periods
12:51 AM - 2:21 PM4:27 AM - 5:57 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 3.3 μg/m3
Sulphur Dioxide: 1.25 μg/m3
Ozone: 62.8 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 11 hrs 51 mins
Moon Transit: 9:57 AM
Moonset: 2:30 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%
Best Times for Fishing or Hunting
Major Periods
5:21 PM - 7:51 PM9:27 AM - 11:57 AM
Minor Periods
2:00 PM - 3:30 PM5:01 AM - 6:31 AM
Action Rating: 2 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 7.57 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 49.56 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 11 hrs 54 mins
Moon Transit: 10:45 AM
Moonset: 3:41 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%
Best Times for Fishing or Hunting
Major Periods
6:09 PM - 8:39 PM10:15 AM - 12:45 AM
Minor Periods
3:11 PM - 4:41 PM5:30 AM - 7:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 14.97 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 43.54 μg/m3
Astronomical
Sun Transit: 12:00 AM
Sunset: 7:18 PM
Daylight: 11 hrs 58 mins
Moon Transit: 11:33 AM
Moonset: 4:54 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%
Best Times for Fishing or Hunting
Major Periods
6:56 PM - 9:26 PM11:03 AM - 1:33 PM
Minor Periods
4:24 PM - 5:54 PM5:53 AM - 7:23 AM
Action Rating: 4 out of 5
