Heat Advisory
2026-08-05T23:00:00-07:00

* WHAT...Afternoon high temperatures of 93 to 98 degrees and morning low temperatures of 60 to 65 degrees expected. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 11 PM PDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Wildfire smoke continues west of the Cascades over northwest Oregon and southwest Washington, which may limit high temperatures by approximately 1-3 degrees. However, temperatures will still be hot enough to bring an increased risk of heat-related illnesses even if temperatures are dampened a few degrees from smoke.

Realtime Data

Oregon

Trask River

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Heat Advisory
Until 2026-08-05T03:00:00-07:00 • National Weather Service
* WHAT...Afternoon high temperatures of 93 to 98 degrees and morning low temperatures of 60 to 65 degrees expected. * WHERE...Portions of northwest and west central Oregon and southwest Washington. * WHEN...Until 11 PM PDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Wildfire smoke continues west of the Cascades over northwest Oregon and southwest Washington, which may limit high temperatures by approximately 1-3 degrees. However, temperatures will still be hot enough to bring an increased risk of heat-related illnesses even if temperatures are dampened a few degrees from smoke.

TRASK RIVER ABOVE CEDAR CREEK, NEAR TILLAMOOK, OR

Realtime Data • Report • Conditions

101

Discharge (cfs)

5.6

Gauge Height (ft)

USGS 14302480

Streamflow discharge was last observed at 101 cfs, and a gauge height of 5.64 feet. With the % decrease since yesterday, the streamflow average over the past 10 days is 108 .

Weather today, Tomorrow,

The primary flow contributors are precipitation and snowmelt. The river has several tributaries, including the North Fork Trask River and the South Fork Trask River, and there are no major dams on the river. The flow of the Trask River is typically highest in the winter and spring months and lowest in the summer and fall. Interestingly, the Trask River is known for its steelhead and salmon populations, making it a popular spot for fishing.

August 4, 2026

Elevation	73.0 ft
Last Updated
Gage height, ft	5.64 ft
Streamflow, ft³/s	101.0 ft3/s
Specific conductance, water, unfiltered, microsiemens per centimeter at 25°C	91.0 uS/cm @25C
Dissolved oxygen, water, unfiltered, mg/L	9.8 mg/l
Turbidity, water, unfiltered, monochrome near infra-red LED light, 780-900 nm, detection angle 90 ±2.5°, formazin nephelometric units (FNU)	0.3 FNU
Temperature, water, °C	17.9 deg C
Percent of Normal	105%
Year Over Year Average	96 cfs
24hr Flow Prediction	cfs
Maximum Recorded	15,200 cfs

SNOFLO^®

Trask River Above Cedar Creek, Near Tillamook, Or Realtime Data

TRASK RIVER ABOVE CEDAR CREEK, NEAR TILLAMOOK, OR

Realtime Data • Report • Conditions

101

Discharge (cfs)

5.6

Gauge Height (ft)

August 4, 2026

Seasonal Comparison

Oceanic Nino Index

SNOFLO®

Trask River Above Cedar Creek, Near Tillamook, Or Realtime Data

TRASK RIVER ABOVE CEDAR CREEK, NEAR TILLAMOOK, OR

Realtime Data • Report • Conditions

101

Discharge (cfs)

5.6

Gauge Height (ft)

August 4, 2026

Seasonal Comparison

Oceanic Nino Index

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