Water Temperature of the Middle Santiam River in Cascadia, OR

Current Water Temperature

44.4°F

Measurement Time: Friday, March 13, 2026, 12:30 AM PDT

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

49.5°F
Patchy rain nearby
Patchy rain nearby
47.7°F
49.5°F
86%
SSW 4.5 mph
6.8 mph
47.7°F
45.5°F
0 in
71%
0 mi
1022 mbar
0

Five Day Weather Forecast

Moderate rain
Fri
H: 53°F
L: 49°F
Heavy rain
Sat
H: 44°F
L: 27°F
Overcast
Sun
H: 53°F
L: 36°F
Cloudy
Mon
H: 69°F
L: 43°F
Sunny
Tue
H: 66°F
L: 40°F

Air Quality

AQI: 1 - Good
PM2.5: 1.65 μg/m3
PM10: 1.95 μg/m3
Carbon Monoxide: 119.85 μg/m3
Nitrogen Dioxide: 1.95 μg/m3
Sulphur Dioxide: 0.95 μg/m3
Ozone: 71 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 11 hrs 48 mins
Moonrise: 4:56 AM
Moon Transit: 9:05 AM
Moonset: 1:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
4:32 PM - 7:02 PM

Minor Periods

12:49 AM - 2:19 PM
4:26 AM - 5:56 AM

Action Rating: 3 out of 5

Flood Watch issued March 12 at 4:12PM PDT until March 16 at 11:00PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 4:12 PM
Expires: Fri March 13, 2026, 11:00 AM

...The Flood Watch continues 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 4:00 PM PDT Thursday the stage was 12.4 feet. - Forecast...Flood stage may be reached based on the latest forecast information. - 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 Friday morning at 1100 AM PDT.


Flood Watch issued March 12 at 3:56PM PDT until March 14 at 5:00PM PDT by NWS Portland OR

Effective: Thu March 12, 2026, 3:56 PM
Expires: Fri March 13, 2026, 5:30 AM

* 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 Saturday afternoon. * 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.


Friday, March 13, 2026

Weather Forecast

Moderate rain
53.2°F
49.1°F
50.7°F
86%
0.52 in
84%
0%
8.9 mph
0.1


Air Quality

AQI: 1 - Good
PM2.5: 1.55 μg/m3
PM10: 1.75 μg/m3
Carbon Monoxide: 123.37 μg/m3
Nitrogen Dioxide: 2.54 μg/m3
Sulphur Dioxide: 0.93 μg/m3
Ozone: 63.12 μg/m3

Astronomical

Sunrise: 7:25 AM
Sun Transit: 12:00 AM
Sunset: 7:13 PM
Daylight: 11 hrs 48 mins
Moonrise: 4:56 AM
Moon Transit: 9:05 AM
Moonset: 1:19 PM
Moon Phase: Waning Crescent
Moon Illumination: 16.4%

Best Times for Fishing or Hunting

Major Periods

8:35 AM - 11:05 AM
4:32 PM - 7:02 PM

Minor Periods

12:49 AM - 2:19 PM
4:26 AM - 5:56 AM

Action Rating: 3 out of 5

Saturday, March 14, 2026

Weather Forecast

Heavy rain
44.4°F
26.7°F
40.7°F
81%
1.24 in
89%
0%
8.9 mph
0.5


Air Quality

AQI: 1 - Good
PM2.5: 1.81 μg/m3
PM10: 2.08 μg/m3
Carbon Monoxide: 138.57 μg/m3
Nitrogen Dioxide: 2.15 μg/m3
Sulphur Dioxide: 1.07 μg/m3
Ozone: 76.52 μg/m3

Astronomical

Sunrise: 7:23 AM
Sun Transit: 12:00 AM
Sunset: 7:14 PM
Daylight: 11 hrs 51 mins
Moonrise: 5:30 AM
Moon Transit: 9:55 AM
Moonset: 2:28 PM
Moon Phase: Waning Crescent
Moon Illumination: 8.9%

Best Times for Fishing or Hunting

Major Periods

5:22 PM - 7:52 PM
9:25 AM - 11:55 AM

Minor Periods

1:58 PM - 3:28 PM
5:00 AM - 6:30 AM

Action Rating: 2 out of 5

Sunday, March 15, 2026

Weather Forecast

Overcast
52.9°F
36°F
44.4°F
52%
0 in
0%
0%
5.1 mph
0.4


Air Quality

AQI: 1 - Good
PM2.5: 3.09 μg/m3
PM10: 4.48 μg/m3
Carbon Monoxide: 172.85 μg/m3
Nitrogen Dioxide: 3.83 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 80 μg/m3

Astronomical

Sunrise: 7:21 AM
Sun Transit: 12:00 AM
Sunset: 7:16 PM
Daylight: 11 hrs 54 mins
Moonrise: 5:59 AM
Moon Transit: 10:44 AM
Moonset: 3:39 PM
Moon Phase: Waning Crescent
Moon Illumination: 3.6%

Best Times for Fishing or Hunting

Major Periods

6:10 PM - 8:40 PM
10:14 AM - 12:44 AM

Minor Periods

3:09 PM - 4:39 PM
5:29 AM - 6:59 AM

Action Rating: 3 out of 5

Monday, March 16, 2026

Weather Forecast

Cloudy
69°F
43.4°F
54.4°F
48%
0 in
0%
0%
5.4 mph
1


Air Quality

AQI: 1 - Good
PM2.5: 2.82 μg/m3
PM10: 4.2 μg/m3
Carbon Monoxide: 164.21 μg/m3
Nitrogen Dioxide: 3.34 μg/m3
Sulphur Dioxide: 1.33 μg/m3
Ozone: 76.16 μg/m3

Astronomical

Sunrise: 7:19 AM
Sun Transit: 12:00 AM
Sunset: 7:17 PM
Daylight: 11 hrs 58 mins
Moonrise: 6:22 AM
Moon Transit: 11:31 AM
Moonset: 4:52 PM
Moon Phase: Waning Crescent
Moon Illumination: 0.6%

Best Times for Fishing or Hunting

Major Periods

6:57 PM - 9:27 PM
11:01 AM - 1:31 PM

Minor Periods

4:22 PM - 5:52 PM
5:52 AM - 7:22 AM

Action Rating: 4 out of 5

Tuesday, March 17, 2026

Weather Forecast

Sunny
66°F
39.5°F
50.7°F
65%
0 in
0%
0%
6.5 mph
0


Air Quality

AQI: 1 - Good
PM2.5: 2.72 μg/m3
PM10: 2.97 μg/m3
Carbon Monoxide: 162.37 μg/m3
Nitrogen Dioxide: 4.23 μg/m3
Sulphur Dioxide: 1.05 μg/m3
Ozone: 75.08 μg/m3

Astronomical

Sunrise: 7:18 AM
Sun Transit: 12:00 AM
Sunset: 7:18 PM
Daylight: 12 hrs 1 mins
Moonrise: 6:43 AM
Moon Transit: 12:18 AM
Moonset: 6:06 PM
Moon Phase: New
Moon Illumination: 0.1%

Best Times for Fishing or Hunting

Major Periods

7:43 PM - 10:13 PM
11:48 AM - 2:18 PM

Minor Periods

5:36 PM - 7:06 PM
6:13 AM - 7:43 AM

Action Rating: 6 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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