How high is the Clark Fork at St. Regis Mount right now?

The Clark Fork at St. Regis Mount is currently flowing at 22,300 cubic feet per second with a gage height of 12.13 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Clark Fork at St. Regis Mount normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 53th percentile compared to the long-term historical record at this gauge.

Is the Clark Fork at St. Regis Mount at flood stage?

No — the gage height is 6.87 feet below the NWS flood-stage threshold of 19.0 feet.

What is the historical median flow for the Clark Fork at St. Regis Mount on June 11?

The long-term median discharge for this date is 21,400 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 10,400 to 47,900 cfs.

Where is the Clark Fork at St. Regis Mount stream gauge located?

The Clark Fork at St. Regis Mount stream gauge is operated by the USGS in Mineral County, MT on the Clark Fork. USGS site number 12354500 (coordinates 47.3016, -115.0869).

Clark Fork at St. Regis Mount

USGS Site No: 12354500 • Clark Fork • Mineral County, MT

Clark Fork at St. Regis Mount on the Clark Fork is currently at 22,300 cfs (Normal — 53th percentile for this date) . Gage height: 12.13 ft.

Reading from 1 week ago

↑ Upstream on Clark Fork

Clark Fork Below Missoula Mount

Downstream on Clark Fork ↓

Clark Fork Near Plains Mount

22,300

CFS Discharge

12.13

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	10,400
25th	Low threshold	15,200
50th (Median)	Normal (median)	21,400
75th	High threshold	28,300	Today: 22,300 cfs
95th	Very High threshold	47,900

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	18,600	—
May 27, 2026	16,000	—
May 26, 2026	14,100	—
May 25, 2026	12,600	—
May 24, 2026	12,100	—
May 23, 2026	12,400	—
May 22, 2026	13,000	—
May 21, 2026	13,600	—
May 20, 2026	14,500	—
May 19, 2026	15,800	—
May 18, 2026	17,600	—
May 17, 2026	19,700	—
May 16, 2026	22,400	—
May 15, 2026	24,500	—
Apr 20, 2026	12,400	—
Apr 19, 2026	13,100	—
Apr 18, 2026	13,900	—
Apr 17, 2026	14,800	—
Apr 16, 2026	15,500	—
Apr 15, 2026	16,000	—
Apr 14, 2026	16,300	—
Apr 13, 2026	15,800	—
Apr 12, 2026	14,400	—
Apr 11, 2026	13,400	—
Apr 10, 2026	13,100	—
Apr 9, 2026	12,700	—
Apr 8, 2026	12,000	—
Apr 7, 2026	11,600	—
Apr 6, 2026	11,600	—
Apr 5, 2026	11,900	—

Station Information

USGS Site No: 12354500
State: MT
County: Mineral County
Coordinates: 47.3016, -115.0869
Drainage Area: 10,728 mi²
Datum (ft): 2,600.4
HUC Code: 17010204

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 18.0 ft
Flood Stage: 19.0 ft
Moderate Flood: 21.0 ft
Major Flood: 22.0 ft

Currently 6.87 ft below flood stage.

Recent Extremes

Max discharge: 24,500 cfs

May 15, 2026
Min discharge: 1,540 cfs

Sep 11, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

St. Regis River Near St. Regis, Mount
1.7 mi · 708 cfs

Low
Clark Fork Near Plains Mount
13.9 mi · 59,600 cfs

Normal
St Joe River at Red Ives Ranger Station, ID
21.1 mi · 1,070 cfs

Normal
Thompson River Near Thompson Falls Mount
21.1 mi · 640 cfs

Normal
Prospect Creek at Thompson Falls Mount
23.3 mi · 321 cfs

Normal