Water Temperature of the South Santiam River in Sweet Home, OR
Current Water Temperature
Measurement Time: Sunday, February 15, 2026, 11:20 PM PST
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

Mon
H: 43°F
L: 30°F

Tue
H: 34°F
L: 20°F

Wed
H: 40°F
L: 18°F

Thu
H: 41°F
L: 29°F

Fri
H: 41°F
L: 21°F
Air Quality
Nitrogen Dioxide: 5.75 μg/m3
Sulphur Dioxide: 5.05 μg/m3
Ozone: 66 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:41 PM
Daylight: 10 hrs 33 mins
Moon Transit: 11:55 AM
Moonset: 5:02 PM
Moon Phase: New
Moon Illumination: 0.9%
Best Times for Fishing or Hunting
Major Periods
7:19 PM - 9:49 PM11:25 AM - 1:55 PM
Minor Periods
4:32 PM - 6:02 PM6:29 AM - 7:59 AM
Action Rating: 4 out of 5
Winter Weather Advisory issued February 15 at 9:16PM PST until February 19 at 4:00AM PST by NWS Portland OR
Effective: Sun February 15, 2026, 9:16 PM
Expires: Mon February 16, 2026, 12:00 PM
* WHAT...Snow expected. Total snow accumulations of 4 to 8 inches from Monday morning through Monday night. Another 2 to 5 inches of snow is expected from Tuesday morning through Tuesday night, then another 4 to 9 inches of snow is expected from Wednesday morning through Wednesday night. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...From 4 AM Monday to 4 AM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...The reason that forecast snow amounts are lowest on Tuesday is because precipitation will become light and more isolated. However, precipitation becomes relatively heavier and more widespread again on Wednesday.
Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map
Winter Weather Advisory issued February 15 at 9:16PM PST until February 19 at 4:00AM PST by NWS Portland OR
Effective: Sun February 15, 2026, 9:16 PM
Expires: Mon February 16, 2026, 12:00 PM
* WHAT...Snow expected. Total snow accumulations of 2 to 5 inches from Monday morning through Monday night. Another 0.5 to 2 inches of snow is expected from Tuesday morning through Tuesday night, then another 2 to 5 inches of snow is expected from Wednesday morning through Wednesday night. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Mountains of Oregon, Willapa Hills, and South Washington Cascade Foothills. * WHEN...From 4 AM Monday to 4 AM PST Thursday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. * ADDITIONAL DETAILS...The reason that forecast snow amounts are lowest on Tuesday is because precipitation will become light and more isolated. However, precipitation becomes relatively heavier and more widespread again on Wednesday.
Have a winter emergency driving kit readily available. Common items to include: flashlight, batteries, blankets, a shovel, water, non-perishable food items, tire chains, etc. Be aware that walking surfaces may be slick. Walk with extra care. For the latest road conditions and chain restrictions in Oregon, call 5 1 1, or visit: www.tripcheck.com. For the latest road conditions and chain restrictions in Washington, visit: wsdot.com/travel/real-time/map
Beach Hazards Statement issued February 15 at 9:48PM PST until February 17 at 10:00PM PST by NWS Portland OR
Effective: Sun February 15, 2026, 9:48 PM
Expires: Mon February 16, 2026, 12:00 PM
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...From late Monday night through Tuesday evening. * 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...Caution should be used when in or near the water, especially those who will be razor clamming. Keep children and pets away from the surf zone. Keep off of jetties, rocks and logs near the surf zone. If you see someone swept into the sea do not swim in after them. Call 911 and keep an eye on them until help arrives.
Remain out of the water to avoid hazardous swimming conditions.
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.99 μg/m3
Sulphur Dioxide: 2.83 μg/m3
Ozone: 30.36 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:41 PM
Daylight: 10 hrs 33 mins
Moon Transit: 11:55 AM
Moonset: 5:02 PM
Moon Phase: New
Moon Illumination: 0.9%
Best Times for Fishing or Hunting
Major Periods
7:19 PM - 9:49 PM11:25 AM - 1:55 PM
Minor Periods
4:32 PM - 6:02 PM6:29 AM - 7:59 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.6 μg/m3
Sulphur Dioxide: 1.98 μg/m3
Ozone: 83.12 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:43 PM
Daylight: 10 hrs 36 mins
Moon Transit: 12:42 AM
Moonset: 6:15 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
8:05 PM - 10:35 PM12:12 AM - 2:42 PM
Minor Periods
5:45 PM - 7:15 PM6:51 AM - 8:21 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 5.1 μg/m3
Sulphur Dioxide: 1.61 μg/m3
Ozone: 73 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:44 PM
Daylight: 10 hrs 38 mins
Moon Transit: 1:27 PM
Moonset: 7:27 PM
Moon Phase: New
Moon Illumination: 1.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM12:57 AM - 3:27 PM
Minor Periods
6:57 PM - 8:27 PM7:11 AM - 8:41 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.47 μg/m3
Sulphur Dioxide: 1.44 μg/m3
Ozone: 82 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:45 PM
Daylight: 10 hrs 41 mins
Moon Transit: 1:07 PM
Moonset: 8:42 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%
Best Times for Fishing or Hunting
Major Periods
12:37 AM - 3:07 PM12:37 AM - 3:07 PM
Minor Periods
8:12 PM - 9:42 PM7:30 AM - 9:00 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 13.91 μg/m3
Sulphur Dioxide: 1.42 μg/m3
Ozone: 56.31 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:47 PM
Daylight: 10 hrs 44 mins
Moon Transit: 3:00 PM
Moonset: 9:57 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:30 PM - 5:00 PM
Minor Periods
9:27 PM - 10:57 PM7:49 AM - 9:19 AM
Action Rating: 2 out of 5
