Water Temperature of the Middle Santiam River in Foster, OR

Current Water Temperature

89.2°F

Measurement Time: Sunday, July 27, 2025, 6:10 PM PDT

Temperature Locations

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Local Points of Interest

Green Peter Reservoir; Green Peter Dam; Billings Park

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Middle Santiam River

Station Name: MIDDLE SANTIAM R BLW GREEN PETER DAM NR FOSTER, OR
Data Source: Water Data - usgc.gov

Elevation Above Sea Level: 745 feet / 227 meters

Nearest Address:
Quartzville Dr
Foster, OR 97345
Linn County

GPS Coordinates: 44.44818005, -122.5503613

Nearby Water Temperatures

South Santiam River, Cascadia, OR (4.7 mi)
South Santiam River, Sweet Home, OR (7.3 mi)
Quartzville Creek, Cascadia, OR (8.5 mi)
Middle Santiam River, Cascadia, OR (9.9 mi)
South Santiam River, Waterloo, OR (13.9 mi)
Blue River, Blue River, OR (21.3 mi)
Lookout Creek, Blue River, OR (22.0 mi)
Blue River Lake, Blue River, OR (22.0 mi)
McKenzie River, Vida, OR (22.7 mi)
North Santiam River, Mehama, OR (23.6 mi)
Little North Santiam River, Lyons, OR (23.8 mi)
Detroit Lake, Detroit, OR (23.9 mi)
North Santiam River, Niagara, OR (24.5 mi)
Blowout Creek, Detroit, OR (25.0 mi)
Smith River, Belknap Springs, OR (26.1 mi)

Weather for Foster, Oregon

Current Weather

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UV Index:

Five Day Weather Forecast

Air Quality

Carbon Monoxide: 0 μg/m3
Nitrogen Dioxide: 0 μg/m3
Sulphur Dioxide: 0 μg/m3
Ozone: 0 μg/m3

Astronomical

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Best Times for Fishing or Hunting

Major Periods


Minor Periods


Action Rating: out of 5

Fire Weather Watch issued July 30 at 3:26AM PDT until July 31 at 11:00AM PDT by NWS Portland OR

Effective: Wed July 30, 2025, 3:26 AM
Expires: Wed July 30, 2025, 5:00 PM

...RED FLAG WARNING NOW IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 11 PM PDT WEDNESDAY TO 11 AM PDT THURSDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...15-30% CHANCE OF THUNDERSTORMS PRODUCING LIGHTNING AND GUSTY WINDS WEDNESDAY THROUGH THURSDAY MORNING... * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * OUTFLOW WINDS...Brief and highly localized outflow wind gusts up to 40 mph possible with any shower or thunderstorm that passes by. * IMPACTS...Thunderstorm outflow winds may result in erratic fire spread. Frequent lightning and critically dry fuels may result in numerous fire starts.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of the above conditions can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued July 30 at 3:26AM PDT until July 30 at 11:00PM PDT by NWS Portland OR

Effective: Wed July 30, 2025, 3:26 AM
Expires: Wed July 30, 2025, 5:00 PM

...RED FLAG WARNING NOW IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 11 PM PDT WEDNESDAY TO 11 AM PDT THURSDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...15-30% CHANCE OF THUNDERSTORMS PRODUCING LIGHTNING AND GUSTY WINDS WEDNESDAY THROUGH THURSDAY MORNING... * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * OUTFLOW WINDS...Brief and highly localized outflow wind gusts up to 40 mph possible with any shower or thunderstorm that passes by. * IMPACTS...Thunderstorm outflow winds may result in erratic fire spread. Frequent lightning and critically dry fuels may result in numerous fire starts.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of the above conditions can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued July 30 at 1:03PM PDT until July 30 at 11:00PM PDT by NWS Portland OR

Effective: Wed July 30, 2025, 1:03 PM
Expires: Wed July 30, 2025, 11:00 PM

...RED FLAG WARNING REMAINS IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...FIRE WEATHER WATCH FOR THUNDERSTORMS CANCELLED FROM 11 PM PDT WEDNESDAY TO 11 AM PDT THURSDAY FOR FIRE WEATHER ZONES 689 AND 690... ...15-30% CHANCE OF THUNDERSTORMS PRODUCING LIGHTNING AND GUSTY WINDS THROUGH WEDNESDAY EVENING... ...FIRE WEATHER WATCH FOR THUNDERSTORMS CANCELLED FROM 11 PM PDT WEDNESDAY TO 11 AM PDT THURSDAY FOR FIRE WEATHER ZONES 689 AND 690... The National Weather Service in Portland has issued a Red Flag Warning for thunderstorms, which remains in effect from 11 AM to 11 PM PDT Wednesday. The Fire Weather Watch from 11 PM PDT Wednesday to 11 AM PDT Thursday has been cancelled due to low overnight potential for thunderstorms. * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * OUTFLOW WINDS...Brief and highly localized outflow wind gusts up to 40 mph possible with any shower or thunderstorm that passes by. * IMPACTS...Frequent lightning and critically dry fuels may result in numerous fire starts. Thunderstorm outflow winds may result in erratic fire spread.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of the above conditions can contribute to extreme fire behavior.


Fire Weather Watch issued July 30 at 3:26AM PDT until July 31 at 11:00AM PDT by NWS Portland OR

Effective: Wed July 30, 2025, 3:26 AM
Expires: Wed July 30, 2025, 5:00 PM

...RED FLAG WARNING NOW IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 11 PM PDT WEDNESDAY TO 11 AM PDT THURSDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...15-30% CHANCE OF THUNDERSTORMS PRODUCING LIGHTNING AND GUSTY WINDS WEDNESDAY THROUGH THURSDAY MORNING... * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * OUTFLOW WINDS...Brief and highly localized outflow wind gusts up to 40 mph possible with any shower or thunderstorm that passes by. * IMPACTS...Thunderstorm outflow winds may result in erratic fire spread. Frequent lightning and critically dry fuels may result in numerous fire starts.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of the above conditions can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.


Red Flag Warning issued July 30 at 3:26AM PDT until July 30 at 11:00PM PDT by NWS Portland OR

Effective: Wed July 30, 2025, 3:26 AM
Expires: Wed July 30, 2025, 5:00 PM

...RED FLAG WARNING NOW IN EFFECT FROM 11 AM TO 11 PM PDT WEDNESDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...FIRE WEATHER WATCH REMAINS IN EFFECT FROM 11 PM PDT WEDNESDAY TO 11 AM PDT THURSDAY FOR THUNDERSTORMS FOR FIRE WEATHER ZONES 689 AND 690... ...15-30% CHANCE OF THUNDERSTORMS PRODUCING LIGHTNING AND GUSTY WINDS WEDNESDAY THROUGH THURSDAY MORNING... * AFFECTED AREA...In Oregon, Fire Weather Zone 689 Northern Willamette National Forest and Fire Weather Zone 690 Southern Willamette National Forest. * OUTFLOW WINDS...Brief and highly localized outflow wind gusts up to 40 mph possible with any shower or thunderstorm that passes by. * IMPACTS...Thunderstorm outflow winds may result in erratic fire spread. Frequent lightning and critically dry fuels may result in numerous fire starts.

A Red Flag Warning means that critical fire weather conditions are either occurring now, or will shortly. A combination of the above conditions can contribute to extreme fire behavior. A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.
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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