How high is the Klamath River near Seiad Valley CA right now?

The Klamath River near Seiad Valley CA is currently flowing at 2,030 cubic feet per second with a gage height of 3.18 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Klamath River near Seiad Valley CA normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 30th percentile compared to the long-term historical record at this gauge.

Is the Klamath River near Seiad Valley CA at flood stage?

No — the gage height is 11.82 feet below the NWS flood-stage threshold of 15.0 feet.

What is the historical median flow for the Klamath River near Seiad Valley CA on June 11?

The long-term median discharge for this date is 2,660 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 1,430 to 8,220 cfs.

Where is the Klamath River near Seiad Valley CA stream gauge located?

The Klamath River near Seiad Valley CA stream gauge is operated by the USGS in Siskiyou County, CA on the Klamath River. USGS site number 11520500 (coordinates 41.8537, -123.2323).

Klamath River near Seiad Valley CA

USGS Site No: 11520500 • Klamath River • Siskiyou County, CA

Klamath River near Seiad Valley CA on the Klamath River is currently at 2,030 cfs (Normal — 30th percentile for this date) . Gage height: 3.18 ft.

Reading from 1 week ago

↑ Upstream on Klamath River

Klamath River below Iron Gate Dam CA

Downstream on Klamath River ↓

Klamath River at Orleans

2,030

CFS Discharge

3.18

Gage Height (ft)

Normal

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	1,430
25th	Low threshold	1,860
50th (Median)	Normal (median)	2,660	Today: 2,030 cfs
75th	High threshold	4,670
95th	Very High threshold	8,220

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	1,880	—
May 27, 2026	1,790	—
May 26, 2026	1,790	—
May 25, 2026	1,780	—
May 24, 2026	1,770	—
May 23, 2026	1,780	—
May 22, 2026	1,780	—
May 21, 2026	1,820	—
May 20, 2026	1,850	—
May 19, 2026	1,890	—
May 18, 2026	1,920	—
May 17, 2026	1,920	—
May 16, 2026	1,930	—
May 15, 2026	1,920	—
Apr 20, 2026	2,370	—
Apr 19, 2026	2,420	—
Apr 18, 2026	2,480	—
Apr 17, 2026	2,550	—
Apr 16, 2026	2,610	—
Apr 15, 2026	2,640	—
Apr 14, 2026	2,710	—
Apr 13, 2026	2,780	—
Apr 12, 2026	2,750	—
Apr 11, 2026	2,570	—
Apr 10, 2026	2,450	—
Apr 9, 2026	2,380	—
Apr 8, 2026	2,300	—
Apr 7, 2026	2,320	—
Apr 6, 2026	2,330	—
Apr 5, 2026	2,350	—

Station Information

USGS Site No: 11520500
State: CA
County: Siskiyou County
Coordinates: 41.8537, -123.2323
Drainage Area: 6,940 mi²
Datum (ft): 1,313.8
HUC Code: 18010206

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 13.0 ft
Flood Stage: 15.0 ft
Moderate Flood: 20.0 ft
Major Flood: 28.0 ft

Currently 11.82 ft below flood stage.

Recent Extremes

Max discharge: 16,000 cfs

Feb 25, 2026
Min discharge: 1,200 cfs

Aug 23, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Indian C near Happy Camp CA
7.9 mi · 103 cfs

Very Low
Elliott Creek Near Copper, OR
11.2 mi · 0 cfs

Unknown
Applegate River Near Copper, OR
15.8 mi · 150 cfs

Very Low
Scott River near Fort Jones CA
18.5 mi · 207 cfs

Low
Star Gulch Near Ruch, OR
22.3 mi · 1 cfs

Normal