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Okanogan River at Oroville water level

River gauge, Okanogan River, Washington, United States

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Right now

Very low for mid-October

Water level

6.09ft Up 2.81 ft over the last 24 hours

Flow
201 cfs
Water temperature
57 °F
5 10 15 Highest onrecord 16.89 ft Lowest on record 4.90 ft

History

History
46ftOct 12Oct 13Oct 15Oct 16Oct 1846ftOct 12Oct 15Oct 18
46ftSep 19Sep 26Oct 3Oct 11Oct 1846ftSep 19Oct 3Oct 18
510ftOct 2025Jan 2026Apr 2026Jul 2026Oct 2026510ftOct 2025Apr 2026Oct 2026
510ftJanMarMayJulSepNov2026510ftJanAprJulOct2026

20252026

Water level Normal range (10–90 %)

What this means

The Okanogan River at Oroville is running far below normal at 6.09 ft.

That puts it 0.40 ft below the median of 6.49 ft for mid-October, based on 38 years of readings. A year ago it stood at 3.84 ft (+2.25 ft). The lowest reading on record is 4.90 ft (May 29, 1948).

It has risen 2.81 ft over the past 24 hours. In the last month it has stayed between 3.28 ft and 6.29 ft.

Fall is often low-water season on rivers, and it usually takes a few days of steady rain to change that. The sensor also reports a water temperature of 57 °F.

Compared with 38 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date
6.49 ft0.40 ft below the median for this date
Normal for this date
6.24 ft – 6.80 ft8 years in 10 fall in this range (38 years of records)
Same day last year
3.84 ft+2.25 ft
Lowest and highest in 30 days
3.28 ft – 6.29 ft
Lowest and highest in 12 months
3.28 ft – 7.46 ft
Highest on record
16.89 ftJune 2, 1972
Lowest on record
4.90 ftMay 29, 1948

Floating and fishing near Okanogan River at Oroville

Low water exposes gravel bars that make good wading access, but some boat ramps may be left high and dry.

Weather at the gauge

No rain in the last 3 days.

18 Sun 64° 42° – Wind 5 mph
19 Mon 67° 47° – Wind 7 mph
20 Tue 65° 46° – Wind 9 mph
21 Wed 67° 44° – Wind 6 mph
22 Thu 66° 45° – Wind 8 mph
23 Fri 60° 41° – Wind 11 mph
24 Sat 55° 36° – Wind 6 mph

Forecast: Open-Meteo

Sunrise 07:23 AM Sunset 06:04 PM Daylight 10 hr, 40 min First quarter 51%

Map

Other gauges on the Okanogan River

Gauge Level Compared with normal 24 hours Distance
Okanogan River near TonasketRiver gauge, Okanogan River 3.97 ft Very low ±0 21 mi
Okanogan River at MalottRiver gauge, Okanogan River 2.79 ft Very low ±0 47 mi

Nearby gauges

Gauge Level Compared with normal 24 hours Distance
Osoyoos Lake near OrovilleLake, Osoyoos Lake 910.92 ft High +0.02 ft 2.0 mi
Ninemile Creek at Eastlake Road near OrovilleRiver gauge, Ninemile Creek 0.3 cfs Normal ±0 2.7 mi
Similkameen River near NighthawkRiver gauge, Similkameen River 2.19 ft Very low −0.02 ft 10 mi
Inkaneep Creek near the MouthRiver gauge, Inkaneep Creek 1.19 m Very low ±0 17 km
Antoine Creek at Us Highway 97 near EllisfordeRiver gauge, Antoine Creek 0.6 cfs Low ±0 12 mi
Okanagan River near OliverRiver gauge, Okanagan River 0.65 m Low +0.01 m 23 km
Bonaparte Creek at TonasketRiver gauge, Bonaparte Creek 1.04 ft Very low ±0 16 mi
Vaseux Creek above Solco CreekRiver gauge, Vaseux Creek 0.93 m Very low ±0 36 km

Questions and answers

How does the Okanogan River at Oroville compare with last year?

It is 2.25 ft higher than on the same day last year, when the reading was 3.84 ft.

What is a normal level for the Okanogan River at Oroville in mid-October?

The median for mid-October is 6.49 ft. In 8 years out of 10 the reading falls between 6.24 ft and 6.80 ft, based on 38 years of records.

Is gage height the same as water depth?

No. Gage height is measured from a fixed reference point chosen by the agency, so a reading of 10 ft does not mean the river is 10 ft deep.

What is the water level of Okanogan River at Oroville today?

On Oct 18, 2026, 08:00 AM PDT, the water level was 6.09 ft. Up 2.81 ft over the last 24 hours.

Is Okanogan River at Oroville rising or falling?

Up 2.81 ft over the last 24 hours. Steady over the last 7 days.

Is the level of Okanogan River at Oroville normal?

Very low for mid-October. Compared with 38 years of daily readings for this time of year.

What is the highest water level ever recorded at Okanogan River at Oroville?

The highest level on record is 16.89 ft on June 2, 1972. The lowest is 4.90 ft on May 29, 1948.

For specialists

Station codes, datum, parameters, data quality and downloads
Operator
U.S. Geological Survey
Station code
usgs:12439500 (Agency page)
Coordinates
48.93072, -119.42034 (WGS84)
Vertical datum
NGVD29
Update interval
every 15 minutes
Licence
Public domain. Data: U.S. Geological Survey (USGS), provisional data subject to revision

Published series

ParameterLast valueTime (UTC)Quality
Water level 6.09 ft 2026-10-18 15:00 Provisional
Flow 201 cfs 2026-10-18 15:00 Provisional
Water temperature 57 °F 2026-10-18 15:00 Provisional

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How to cite

U.S. Geological Survey: Okanogan River at Oroville (usgs:12439500). Accessed October 18, 2026 via Nivelmap, https://nivelmap.com/en/united-states/washington/okanogan-river-at-oroville

How we check values

Each reading is stored as published. We hold back values that jump faster than physically plausible and show the measurement time with every value.