Water Temperature of the South Santiam River in Cascadia, OR
Current Water Temperature
Measurement Time: Sunday, February 15, 2026, 10:00 AM PST
Temperature Locations
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Local Points of Interest
Cascadia State Park; Foster, ORStation Name: SOUTH SANTIAM RIVER BELOW CASCADIA, OR
Data Source: Water Data - usgc.gov
Elevation Above Sea Level: 860 feet
Nearest Address:
47795 Santiam Hwy
Cascadia, OR 97329
Linn County
GPS Coordinates: 44.39179225, -122.4975817
Nearby Water Temperatures
Middle Santiam River, Foster, OR (4.7 mi)South Santiam River, Sweet Home, OR (9.5 mi)
Middle Santiam River, Cascadia, OR (10.5 mi)
Quartzville Creek, Cascadia, OR (10.7 mi)
Blue River, Blue River, OR (16.6 mi)
North Fork Quartz Creek, Blue River, OR (16.9 mi)
Lookout Creek, Blue River, OR (17.3 mi)
Blue River Lake, Blue River, OR (17.4 mi)
South Santiam River, Waterloo, OR (17.7 mi)
Blue River, Blue River, OR (17.8 mi)
McKenzie River, Vida, OR (18.5 mi)
South Fork McKenzie River, Rainbow, OR (21.6 mi)
Smith River, Belknap Springs, OR (22.6 mi)
Smith River, Foster, OR (23.3 mi)
McKenzie River, Belknap Springs, OR (23.7 mi)
Weather for Cascadia, Oregon
Current Weather

Five Day Weather Forecast

Sun
H: 52°F
L: 42°F

Mon
H: 43°F
L: 32°F

Tue
H: 38°F
L: 28°F

Wed
H: 37°F
L: 21°F

Thu
H: 35°F
L: 19°F
Air Quality
Nitrogen Dioxide: 6.85 μg/m3
Sulphur Dioxide: 1.75 μg/m3
Ozone: 45 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:39 PM
Daylight: 10 hrs 30 mins
Moon Transit: 11:06 AM
Moonset: 3:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
6:32 PM - 9:02 PM10:36 AM - 1:06 PM
Minor Periods
3:19 PM - 4:49 PM6:02 AM - 7:32 AM
Action Rating: 3 out of 5
Winter Weather Advisory issued February 15 at 10:00AM PST until February 19 at 4:00AM PST by NWS Portland OR
Effective: Sun February 15, 2026, 10:00 AM
Expires: Sun February 15, 2026, 9:15 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 10:00AM PST until February 19 at 4:00AM PST by NWS Portland OR
Effective: Sun February 15, 2026, 10:00 AM
Expires: Sun February 15, 2026, 9:15 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 1:55AM PST until February 15 at 10:00PM PST by NWS Portland OR
Effective: Sun February 15, 2026, 1:55 AM
Expires: Sun February 15, 2026, 10:00 PM
* WHAT...Sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...Through Sunday 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.
Beach Hazards Statement issued February 15 at 12:44PM PST until February 15 at 10:00PM PST by NWS Portland OR
Effective: Sun February 15, 2026, 12:44 PM
Expires: Sun February 15, 2026, 10:00 PM
* WHAT...For both Beach Hazards Statements, sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...For the first Beach Hazards Statement, until 10 PM PST this evening. For the second Beach Hazards Statement, 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.
Beach Hazards Statement issued February 15 at 12:44PM PST until February 17 at 10:00PM PST by NWS Portland OR
Effective: Sun February 15, 2026, 12:44 PM
Expires: Sun February 15, 2026, 10:00 PM
* WHAT...For both Beach Hazards Statements, sneaker waves possible. * WHERE...North and Central Coast of Oregon, and South Washington Coast. * WHEN...For the first Beach Hazards Statement, until 10 PM PST this evening. For the second Beach Hazards Statement, 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: 3.68 μg/m3
Sulphur Dioxide: 1.09 μg/m3
Ozone: 58.2 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:39 PM
Daylight: 10 hrs 30 mins
Moon Transit: 11:06 AM
Moonset: 3:49 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
6:32 PM - 9:02 PM10:36 AM - 1:06 PM
Minor Periods
3:19 PM - 4:49 PM6:02 AM - 7:32 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 6.44 μg/m3
Sulphur Dioxide: 1.63 μg/m3
Ozone: 58.2 μg/m3
Astronomical
Sun Transit: 12:24 AM
Sunset: 5:41 PM
Daylight: 10 hrs 33 mins
Moon Transit: 11:54 AM
Moonset: 5:01 PM
Moon Phase: New
Moon Illumination: 0.9%
Best Times for Fishing or Hunting
Major Periods
7:19 PM - 9:49 PM11:24 AM - 1:54 PM
Minor Periods
4:31 PM - 6:01 PM6:28 AM - 7:58 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 1.74 μg/m3
Sulphur Dioxide: 1.43 μg/m3
Ozone: 90.48 μg/m3
Astronomical
Sun Transit: 12:23 AM
Sunset: 5:42 PM
Daylight: 10 hrs 36 mins
Moon Transit: 12:41 AM
Moonset: 6:14 PM
Moon Phase: New
Moon Illumination: 0.0%
Best Times for Fishing or Hunting
Major Periods
8:06 PM - 10:36 PM12:11 AM - 2:41 PM
Minor Periods
5:44 PM - 7:14 PM6:50 AM - 8:20 AM
Action Rating: 5 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 4.67 μg/m3
Sulphur Dioxide: 1.31 μg/m3
Ozone: 76.16 μg/m3
Astronomical
Sun Transit: 12:23 AM
Sunset: 5:43 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 PM7:10 AM - 8:40 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 2.08 μg/m3
Sulphur Dioxide: 1.46 μg/m3
Ozone: 92.92 μg/m3
Astronomical
Sun Transit: 12:23 AM
Sunset: 5:45 PM
Daylight: 10 hrs 41 mins
Moon Transit: 1:07 PM
Moonset: 8:41 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
8:11 PM - 9:41 PM7:29 AM - 8:59 AM
Action Rating: 3 out of 5
