Water Temperature of the Middle Santiam River in Cascadia, OR

Current Water Temperature

39.7°F

Measurement Time: Wednesday, February 18, 2026, 7:00 AM PST

Temperature Locations

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Local Points of Interest

Elk Creek; Green Peter Lake

Middle Santiam River

Station Name: MIDDLE SANTIAM R NEAR CASCADIA, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 1,096 feet

Nearest Address:
Cascadia, OR 97350
Linn County

GPS Coordinates: 44.5151239, -122.3720249

Nearby Water Temperatures

Quartzville Creek, Cascadia, OR (3.6 mi)
Middle Santiam River, Foster, OR (9.9 mi)
South Santiam River, Cascadia, OR (10.5 mi)
Blowout Creek, Detroit, OR (15.2 mi)
Detroit Lake, Detroit, OR (15.3 mi)
North Santiam River, Niagara, OR (16.9 mi)
South Santiam River, Sweet Home, OR (17.2 mi)
North Santiam River, Idanha, OR (18.8 mi)
Breitenbush River, Detroit, OR (20.3 mi)
Smith River, Belknap Springs, OR (20.3 mi)
Blue River, Blue River, OR (21.2 mi)
McKenzie River, Clear Lake, OR (21.4 mi)
Little North Santiam River, Lyons, OR (21.6 mi)
Lookout Creek, Blue River, OR (21.9 mi)
South Santiam River, Waterloo, OR (22.3 mi)

Weather for Cascadia, Oregon

Current Weather

39.2°F
Overcast
Overcast
34.2°F
39.2°F
70%
SW 5.4 mph
7.4 mph
34.2°F
30.2°F
0 in
96%
4 mi
1009 mbar
0.5

Five Day Weather Forecast

Patchy rain nearby
Wed
H: 41°F
L: 33°F
Patchy rain nearby
Thu
H: 42°F
L: 22°F
Partly Cloudy
Fri
H: 42°F
L: 32°F
Cloudy
Sat
H: 55°F
L: 31°F
Patchy rain nearby
Sun
H: 52°F
L: 28°F

Air Quality

AQI: 1 - Good
PM2.5: 2.85 μg/m3
PM10: 3.75 μg/m3
Carbon Monoxide: 161.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 2.35 μg/m3
Ozone: 86 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:23 AM
Sunset: 5:43 PM
Daylight: 10 hrs 38 mins
Moonrise: 7:39 AM
Moon Transit: 1:26 PM
Moonset: 7:26 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:56 AM - 3:26 PM

Minor Periods

6:56 PM - 8:26 PM
7:09 AM - 8:39 AM

Action Rating: 4 out of 5

Winter Weather Advisory issued February 17 at 9:59PM PST until February 20 at 4:00AM PST by NWS Portland OR

Effective: Tue February 17, 2026, 9:59 PM
Expires: Wed February 18, 2026, 12:00 PM

...A SERIES OF WEAK SYSTEMS WILL BRING WIDESPREAD SNOW TO THE NORTHERN OREGON AND SOUTHERN WASHINGTON COAST AND CASCADE RANGES THROUGH AT LEAST THURSDAY NIGHT... .A broad area of low pressure will continue to bring widespread snow showers to elevations above 1500 ft through at least Thursday night. Give the showery nature of the precipitation and uncertainty as to the exact track of the Wednesday night system, there is some variability in forecast total snow fall accumulations through Thursday night. While the forecast remains on track for overall snowfall totals, where exactly the highest accumulations remain in flux. * WHAT...Snow. Additional snow accumulations of 4 to 10 inches through Wednesday night and another 2 to 4 inches of snow Thursday morning through Thursday night. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 17 at 9:59PM PST until February 20 at 4:00AM PST by NWS Portland OR

Effective: Tue February 17, 2026, 9:59 PM
Expires: Wed February 18, 2026, 12:00 PM

...A SERIES OF WEAK SYSTEMS WILL BRING WIDESPREAD SNOW TO THE NORTHERN OREGON AND SOUTHERN WASHINGTON COAST AND CASCADE RANGES THROUGH AT LEAST THURSDAY NIGHT... .A broad area of low pressure will continue to bring widespread snow showers to elevations above 1500 ft through at least Thursday night. Give the showery nature of the precipitation and uncertainty as to the exact track of the Wednesday night system, there is some variability in forecast total snow fall accumulations through Thursday night. While the forecast remains on track for overall snowfall totals, where exactly the highest accumulations remain in flux. * WHAT...Snow. Additional snow accumulations of 2 to 7 inches through Wednesday night and another 1 to 3 inches of snow Thursday morning through Thursday 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...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 18 at 10:00AM PST until February 20 at 4:00AM PST by NWS Portland OR

Effective: Wed February 18, 2026, 10:00 AM
Expires: Thu February 19, 2026, 4:00 AM

...A SERIES OF WEAK SYSTEMS WILL BRING WIDESPREAD SNOW TO THE NORTHERN OREGON AND SOUTHERN WASHINGTON COAST AND CASCADE RANGES THROUGH AT LEAST THURSDAY NIGHT... .A broad area of low pressure will continue to bring widespread snow showers to elevations above 1000 ft through at least Thursday night. Given the showery nature of the precipitation and uncertainty as to the track of tonight's system, there is some variability in forecast total snow fall accumulations through Thursday night. While the forecast remains on track for overall snowfall totals, where exactly the highest snow accumulations occur remain in flux. * WHAT...Snow. Additional snow accumulations of 4 to 10 inches through tonight and another 2 to 4 inches of snow Thursday morning through Thursday night. * WHERE...South Washington Cascades and the Northern and Central Cascades of Oregon. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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 18 at 10:00AM PST until February 20 at 4:00AM PST by NWS Portland OR

Effective: Wed February 18, 2026, 10:00 AM
Expires: Thu February 19, 2026, 4:00 AM

...A SERIES OF WEAK SYSTEMS WILL BRING WIDESPREAD SNOW TO THE NORTHERN OREGON AND SOUTHERN WASHINGTON COAST AND CASCADE RANGES THROUGH AT LEAST THURSDAY NIGHT... .A broad area of low pressure will continue to bring widespread snow showers to elevations above 1000 ft through at least Thursday night. Given the showery nature of the precipitation and uncertainty as to the track of tonight's system, there is some variability in forecast total snow fall accumulations through Thursday night. While the forecast remains on track for overall snowfall totals, where exactly the highest snow accumulations occur remain in flux. * WHAT...Snow. Additional snow accumulations of 2 to 7 inches through tonight and another 1 to 3 inches of snow Thursday morning through Thursday night. * WHERE...Foothills of the Northern and Central Oregon Cascades, North and Central Coast Range Mountains of Oregon, North Oregon Coast Range Lowlands, Willapa Hills, and South Washington Cascade Foothills. * WHEN...Until 4 AM PST Friday. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous.

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


Wednesday, February 18, 2026

Weather Forecast

Patchy rain nearby
41°F
32.7°F
35.8°F
80%
0.01 in
88%
2%
6.3 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.35 μg/m3
PM10: 4.63 μg/m3
Carbon Monoxide: 161.05 μg/m3
Nitrogen Dioxide: 2.74 μg/m3
Sulphur Dioxide: 2.37 μg/m3
Ozone: 79.52 μg/m3

Astronomical

Sunrise: 7:05 AM
Sun Transit: 12:23 AM
Sunset: 5:43 PM
Daylight: 10 hrs 38 mins
Moonrise: 7:39 AM
Moon Transit: 1:26 PM
Moonset: 7:26 PM
Moon Phase: New
Moon Illumination: 1.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:56 AM - 3:26 PM

Minor Periods

6:56 PM - 8:26 PM
7:09 AM - 8:39 AM

Action Rating: 4 out of 5

Thursday, February 19, 2026

Weather Forecast

Patchy rain nearby
42.3°F
21.9°F
35.9°F
88%
0.19 in
69%
13%
5.1 mph
0.2


Air Quality

AQI: 1 - Good
PM2.5: 2.69 μg/m3
PM10: 3.48 μg/m3
Carbon Monoxide: 159.37 μg/m3
Nitrogen Dioxide: 2.18 μg/m3
Sulphur Dioxide: 2.31 μg/m3
Ozone: 89.28 μg/m3

Astronomical

Sunrise: 7:03 AM
Sun Transit: 12:23 AM
Sunset: 5:44 PM
Daylight: 10 hrs 41 mins
Moonrise: 7:58 AM
Moon Transit: 1:07 PM
Moonset: 8:40 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%

Best Times for Fishing or Hunting

Major Periods

12:37 AM - 3:07 PM
12:37 AM - 3:07 PM

Minor Periods

8:10 PM - 9:40 PM
7:28 AM - 8:58 AM

Action Rating: 3 out of 5

Friday, February 20, 2026

Weather Forecast

Partly Cloudy
41.7°F
32.4°F
36.4°F
77%
0 in
0%
0%
5.4 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.2 μg/m3
PM10: 3.8 μg/m3
Carbon Monoxide: 171.53 μg/m3
Nitrogen Dioxide: 4.53 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 81.72 μg/m3

Astronomical

Sunrise: 7:01 AM
Sun Transit: 12:23 AM
Sunset: 5:45 PM
Daylight: 10 hrs 44 mins
Moonrise: 8:18 AM
Moon Transit: 12:00 AM
Moonset: 9:55 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
12:00 AM - 12:00 AM

Minor Periods

9:25 PM - 10:55 PM
7:48 AM - 9:18 AM

Action Rating: 2 out of 5

Saturday, February 21, 2026

Weather Forecast

Cloudy
55.2°F
31°F
39.5°F
68%
0 in
0%
0%
8.5 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 2.94 μg/m3
PM10: 3.42 μg/m3
Carbon Monoxide: 171.42 μg/m3
Nitrogen Dioxide: 3.39 μg/m3
Sulphur Dioxide: 1.57 μg/m3
Ozone: 93.36 μg/m3

Astronomical

Sunrise: 7:00 AM
Sun Transit: 12:23 AM
Sunset: 5:47 PM
Daylight: 10 hrs 47 mins
Moonrise: 8:39 AM
Moon Transit: 3:48 PM
Moonset: 11:13 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
3:18 PM - 5:48 PM

Minor Periods

12:00 AM - 12:00 AM
8:09 AM - 9:39 AM

Action Rating: 3 out of 5

Sunday, February 22, 2026

Weather Forecast

Patchy rain nearby
52.1°F
28.3°F
38°F
89%
0.2 in
81%
4%
9.2 mph
0.3


Air Quality

AQI: 1 - Good
PM2.5: 3.92 μg/m3
PM10: 4.67 μg/m3
Carbon Monoxide: 175.23 μg/m3
Nitrogen Dioxide: 2.88 μg/m3
Sulphur Dioxide: 1.34 μg/m3
Ozone: 102 μg/m3

Astronomical

Sunrise: 6:58 AM
Sun Transit: 12:22 AM
Sunset: 5:48 PM
Daylight: 10 hrs 50 mins
Moonrise: 9:05 AM
Moon Transit: 4:40 PM
Moonset: 12:13 AM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%

Best Times for Fishing or Hunting

Major Periods

12:00 AM - 12:00 AM
4:10 PM - 6:40 PM

Minor Periods

8:35 AM - 10:05 AM
12:00 AM - 12:00 AM

Action Rating: 2 out of 5

The times presented here are based upon the solunar theory, which is the idea that the movements of fish and other animals are affected by the location of the sun and moon. The major periods are believed to be the times of the greatest animal activity and occur when the moon is directly overhead or underfoot (lunar transits). The minor periods also see increased activity and occur when the moon is rising or setting. The strongest activity occurs during full or new moons, and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.

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