Water Temperature of the South Santiam River in Sweet Home, OR
Current Water Temperature
Measurement Time: Monday, December 22, 2025, 10:50 AM PST
Temperature Locations
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Local Points of Interest
Foster Reservoir; Foster Dam; Andrew Wiley Park; Camp KoinoniaSponsored Content
Station Name: SOUTH SANTIAM RIVER NEAR FOSTER, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 564 feet / 172 meters
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 (24.0 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

Humidity: 93%
Feels Like: 43.5°F
Wind: SSE 7.4 mph
Wind Gusts: 15.5 mph
Precipitation: 0 in
Cloud Cover: 100%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast

Mon
H: 53°F
L: 39°F

Tue
H: 48°F
L: 36°F

Wed
H: 62°F
L: 41°F

Thu
H: 53°F
L: 40°F

Fri
H: 48°F
L: 42°F
Air Quality
Nitrogen Dioxide: 2.65 μg/m3
Sulphur Dioxide: 1.45 μg/m3
Ozone: 73 μg/m3
Astronomical
Sun Transit: 12:09 AM
Sunset: 4:35 PM
Daylight: 8 hrs 51 mins
Moon Transit: 2:29 PM
Moonset: 7:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:59 PM - 4:29 PM
Minor Periods
6:36 PM - 8:06 PM9:31 AM - 11:01 AM
Action Rating: 3 out of 5
Flood Warning issued December 22 at 4:17AM PST until December 23 at 1:51AM PST by NWS Portland OR
Effective: Mon December 22, 2025, 4:17 AM
Expires: Mon December 22, 2025, 4:00 PM
...The Flood Warning continues for the following rivers in Oregon... Pudding River at Aurora affecting Clackamas and Marion Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pudding River at Aurora. * WHEN...Until just after midnight tonight. * IMPACTS...Above 24.0 feet, expect considerable flooding of low-lying agricultural land and secondary roads from the Whiskey Hill area downstream to the confluence with the Molalla River. * ADDITIONAL DETAILS... - At 4:00 AM PST Monday the stage was 23.0 feet. - Bankfull stage is 21.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 4:00 AM PST Monday was 24.7 feet. - Forecast...The river is expected to fall below flood stage late this afternoon and continue falling to 13.0 feet Wednesday, December 31. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive through flooded areas. Be especially cautious at night when it is harder to recognize the dangers of flooding. Additional information is available at www.weather.gov. The next statement will be issued this afternoon at 400 PM PST.
Flood Warning issued December 22 at 2:24PM PST until December 23 at 7:36AM PST by NWS Portland OR
Effective: Mon December 22, 2025, 2:24 PM
Expires: Tue December 23, 2025, 7:45 AM
...The Flood Warning is extended for the following rivers in Oregon... Pudding River at Aurora affecting Clackamas and Marion Counties. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Pudding River at Aurora. * WHEN...Until Tuesday morning. * IMPACTS...Above 22.0 feet, expect minor flooding of low-lying agricultural lands and access roads along the river. * ADDITIONAL DETAILS... - At 2:00 PM PST Monday the stage was 22.3 feet. - Bankfull stage is 21.0 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 2:00 PM PST Monday was 24.0 feet. - Forecast...The river is expected to fall below flood stage late tonight and continue falling to 12.7 feet Thursday, January 01. - Flood stage is 22.0 feet. - http://www.weather.gov/safety/flood
Be especially cautious at night when it is harder to recognize the dangers of flooding. Turn around, don't drown when encountering flooded roads. Most flood deaths occur in vehicles. Motorists should not attempt to drive around barricades or drive through flooded areas. Additional information is available at www.weather.gov. The next statement will be issued Tuesday morning at 745 AM PST.
Weather Forecast
Average Temperature: 45.3°F
Average Humidity: 83%
Wind: 7.6 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 3.4 μg/m3
Sulphur Dioxide: 1.26 μg/m3
Ozone: 69.36 μg/m3
Astronomical
Sun Transit: 12:09 AM
Sunset: 4:35 PM
Daylight: 8 hrs 51 mins
Moon Transit: 2:29 PM
Moonset: 7:06 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:59 PM - 4:29 PM
Minor Periods
6:36 PM - 8:06 PM9:31 AM - 11:01 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 42.6°F
Average Humidity: 87%
Wind: 4.5 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 4.59 μg/m3
Sulphur Dioxide: 1.59 μg/m3
Ozone: 70.04 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 4:36 PM
Daylight: 8 hrs 51 mins
Moon Transit: 3:17 PM
Moonset: 8:17 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:47 PM - 5:17 PM
Minor Periods
7:47 PM - 9:17 PM9:58 AM - 11:28 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 48.9°F
Average Humidity: 69%
Wind: 19.9 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 6.98 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 49.32 μg/m3
Astronomical
Sun Transit: 12:10 AM
Sunset: 4:36 PM
Daylight: 8 hrs 51 mins
Moon Transit: 4:03 PM
Moonset: 9:26 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM3:33 PM - 6:03 PM
Minor Periods
8:56 PM - 10:26 PM10:21 AM - 11:51 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 44.2°F
Average Humidity: 79%
Wind: 4.9 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 9.33 μg/m3
Sulphur Dioxide: 1.86 μg/m3
Ozone: 43.84 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 4:37 PM
Daylight: 8 hrs 51 mins
Moon Transit: 4:47 PM
Moonset: 10:37 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.7%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM4:17 PM - 6:47 PM
Minor Periods
10:07 PM - 11:37 PM10:40 AM - 12:10 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 44.1°F
Average Humidity: 93%
Wind: 3.6 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 9.47 μg/m3
Sulphur Dioxide: 2.19 μg/m3
Ozone: 40.23 μg/m3
Astronomical
Sun Transit: 12:11 AM
Sunset: 4:38 PM
Daylight: 8 hrs 52 mins
Moon Transit: 12:00 AM
Moonset: 11:48 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:10 AM - 2:40 AM
Minor Periods
12:00 AM - 12:00 AM10:59 AM - 12:29 AM
Action Rating: 2 out of 5
