How high is the Similkameen River Near Nighthawk, WA right now?

The Similkameen River Near Nighthawk, WA is currently flowing at 6,020 cubic feet per second with a gage height of 7.29 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Similkameen River Near Nighthawk, WA normal for this time of year?

Current flow is classified as low for June 11. Today's discharge is at the 24th percentile compared to the long-term historical record at this gauge.

Is the Similkameen River Near Nighthawk, WA at flood stage?

No — the gage height is 6.71 feet below the NWS flood-stage threshold of 14.0 feet.

What is the historical median flow for the Similkameen River Near Nighthawk, WA on June 11?

The long-term median discharge for this date is 8,120 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 3,490 to 20,100 cfs.

Where is the Similkameen River Near Nighthawk, WA stream gauge located?

The Similkameen River Near Nighthawk, WA stream gauge is operated by the USGS in Okanogan County, WA on the Similkameen River. USGS site number 12442500 (coordinates 48.9846, -119.6184).

Similkameen River Near Nighthawk, WA

USGS Site No: 12442500 • Similkameen River • Okanogan County, WA

Similkameen River Near Nighthawk, WA on the Similkameen River is currently at 6,020 cfs (Low — 24th percentile for this date) . Gage height: 7.29 ft.

Reading from 1 week ago

Downstream on Similkameen River ↓

Similkameen River Near Oroville, WA

6,020

CFS Discharge

7.29

Gage Height (ft)

Low

Flow Condition

Normal

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	3,490
25th	Low threshold	6,240	Today: 6,020 cfs
50th (Median)	Normal (median)	8,120
75th	High threshold	12,000
95th	Very High threshold	20,100

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	5,090	6.76
May 27, 2026	5,140	6.79
May 26, 2026	5,130	6.78
May 25, 2026	5,170	6.81
May 24, 2026	5,090	6.76
May 23, 2026	4,980	6.69
May 22, 2026	4,990	6.70
May 21, 2026	5,110	6.78
May 20, 2026	5,370	6.92
May 19, 2026	5,770	7.16
May 18, 2026	6,270	7.43
May 17, 2026	6,790	7.70
May 16, 2026	7,620	8.11
May 15, 2026	8,740	8.63
Apr 20, 2026	4,830	6.60
Apr 19, 2026	4,760	6.56
Apr 18, 2026	4,960	6.68
Apr 17, 2026	5,280	6.87
Apr 16, 2026	5,640	7.08
Apr 15, 2026	5,910	7.23
Apr 14, 2026	5,930	7.24
Apr 13, 2026	5,270	6.87
Apr 12, 2026	4,620	6.48
Apr 11, 2026	4,150	6.17
Apr 10, 2026	3,840	5.96
Apr 9, 2026	3,680	5.85
Apr 8, 2026	3,600	5.79
Apr 7, 2026	3,250	5.53
Apr 6, 2026	3,020	5.35
Apr 5, 2026	2,910	5.27

Station Information

USGS Site No: 12442500
State: WA
County: Okanogan County
Coordinates: 48.9846, -119.6184
Drainage Area: 3,550 mi²
Datum (ft): 1,137.7
HUC Code: 17020007

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 13.0 ft
Flood Stage: 14.0 ft
Moderate Flood: 15.0 ft
Major Flood: 16.0 ft

Currently 6.71 ft below flood stage.

Recent Extremes

Max discharge: 9,580 cfs

Dec 12, 2025
Min discharge: 169 cfs

Sep 29, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Similkameen River Near Oroville, WA
5.6 mi

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

Low
Okanogan River at Oroville, WA
9.7 mi · 642 cfs

Normal
Antoine Creek at Us Highway 97 Near Ellisforde, WA
18.2 mi · 1 cfs

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

Very Low