How high is the Okanogan River at Oroville, WA right now?

The Okanogan River at Oroville, WA is currently flowing at 642 cubic feet per second with a gage height of 6.86 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Okanogan River at Oroville, WA normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 33th percentile compared to the long-term historical record at this gauge.

What is the historical median flow for the Okanogan River at Oroville, WA on June 11?

The long-term median discharge for this date is 1,050 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 210 to 3,150 cfs.

Where is the Okanogan River at Oroville, WA stream gauge located?

The Okanogan River at Oroville, WA stream gauge is operated by the USGS in Okanogan County, WA on the Okanogan River. USGS site number 12439500 (coordinates 48.9307, -119.4203).

Okanogan River at Oroville, WA

USGS Site No: 12439500 • Okanogan River • Okanogan County, WA

Okanogan River at Oroville, WA on the Okanogan River is currently at 642 cfs (Normal — 33th percentile for this date) . Gage height: 6.86 ft.

Reading from 1 week ago

Downstream on Okanogan River ↓

Okanogan River Near Tonasket, WA

642

CFS Discharge

6.86

Gage Height (ft)

Normal

Flow Condition

N/A

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	210
25th	Low threshold	439
50th (Median)	Normal (median)	1,050	Today: 642 cfs
75th	High threshold	1,930
95th	Very High threshold	3,150

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	151	6.00
May 27, 2026	154	6.01
May 26, 2026	156	6.01
May 25, 2026	156	6.01
May 24, 2026	162	6.03
May 23, 2026	165	6.03
May 22, 2026	169	6.04
May 21, 2026	170	6.04
May 20, 2026	168	6.04
May 19, 2026	167	6.04
May 18, 2026	176	6.06
May 17, 2026	184	6.07
May 16, 2026	178	6.08
May 15, 2026	—	6.29
Apr 20, 2026	144	5.99
Apr 19, 2026	139	5.98
Apr 18, 2026	149	6.01
Apr 17, 2026	147	6.00
Apr 16, 2026	146	6.00
Apr 15, 2026	148	6.00
Apr 14, 2026	148	6.00
Apr 13, 2026	147	6.00
Apr 12, 2026	149	6.01
Apr 11, 2026	149	6.01
Apr 10, 2026	146	6.00
Apr 9, 2026	146	6.00
Apr 8, 2026	150	6.01
Apr 7, 2026	154	6.02
Apr 6, 2026	149	6.01
Apr 5, 2026	146	6.00

Station Information

USGS Site No: 12439500
State: WA
County: Okanogan County
Coordinates: 48.9307, -119.4203
Drainage Area: 3,195 mi²
Datum (ft): 900.0
HUC Code: 17020006

View on USGS NWIS →

Recent Extremes

Max discharge: 1,750 cfs

May 30, 2025
Min discharge: 138 cfs

Apr 2, 2026

Computed from the local daily-values archive.

Nearby Gauges

Ninemile Creek at Eastlake Road Near Oroville, WA
2.7 mi · 0 cfs

Low
Similkameen River Near Oroville, WA
4.2 mi

Unknown
Similkameen River Near Nighthawk, WA
9.7 mi · 6,020 cfs

Low
Antoine Creek at Us Highway 97 Near Ellisforde, WA
11.9 mi · 1 cfs

Very Low
Bonaparte Creek at Tonasket, WA
15.9 mi · 2 cfs

Very Low