How high is the Clark Fork Near Plains Mount right now?

The Clark Fork Near Plains Mount is currently flowing at 59,600 cubic feet per second with a gage height of 12.11 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Clark Fork Near Plains Mount normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 59th percentile compared to the long-term historical record at this gauge.

Is the Clark Fork Near Plains Mount at flood stage?

No — the gage height is 3.89 feet below the NWS flood-stage threshold of 16.0 feet.

What is the historical median flow for the Clark Fork Near Plains Mount on June 11?

The long-term median discharge for this date is 54,100 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 26,600 to 111,000 cfs.

Where is the Clark Fork Near Plains Mount stream gauge located?

The Clark Fork Near Plains Mount stream gauge is operated by the USGS in Sanders County, MT on the Clark Fork. USGS site number 12389000 (coordinates 47.4292, -114.8565).

Clark Fork Near Plains Mount

USGS Site No: 12389000 • Clark Fork • Sanders County, MT

Clark Fork Near Plains Mount on the Clark Fork is currently at 59,600 cfs (Normal — 59th percentile for this date) . Gage height: 12.11 ft.

Reading from 1 week ago

↑ Upstream on Clark Fork

Clark Fork at St. Regis Mount

Downstream on Clark Fork ↓

Clark Fork below Noxon Rapids Dam near Noxon Mount

59,600

CFS Discharge

12.11

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	26,600
25th	Low threshold	38,500
50th (Median)	Normal (median)	54,100
75th	High threshold	69,400	Today: 59,600 cfs
95th	Very High threshold	111,000

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	49,400	—
May 27, 2026	42,700	—
May 26, 2026	40,100	—
May 25, 2026	38,200	—
May 24, 2026	38,100	—
May 23, 2026	38,600	—
May 22, 2026	39,500	—
May 21, 2026	40,900	—
May 20, 2026	44,400	—
May 19, 2026	48,300	—
May 18, 2026	50,400	—
May 17, 2026	52,900	—
May 16, 2026	55,900	—
May 15, 2026	57,700	—
Apr 20, 2026	28,700	—
Apr 19, 2026	29,500	—
Apr 18, 2026	30,400	—
Apr 17, 2026	31,500	—
Apr 16, 2026	32,300	—
Apr 15, 2026	32,800	—
Apr 14, 2026	32,900	—
Apr 13, 2026	32,000	—
Apr 12, 2026	30,500	—
Apr 11, 2026	29,500	—
Apr 10, 2026	29,300	—
Apr 9, 2026	28,700	—
Apr 8, 2026	27,900	—
Apr 7, 2026	27,400	—
Apr 6, 2026	27,500	—
Apr 5, 2026	28,000	—

Station Information

USGS Site No: 12389000
State: MT
County: Sanders County
Coordinates: 47.4292, -114.8565
Drainage Area: 19,964 mi²
Datum (ft): 2,449.1
HUC Code: 17010213

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 15.0 ft
Flood Stage: 16.0 ft
Moderate Flood: 18.0 ft
Major Flood: 19.5 ft

Currently 3.89 ft below flood stage.

Recent Extremes

Max discharge: 57,700 cfs

May 15, 2026
Min discharge: 6,160 cfs

Oct 4, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

Flathead River at Perma Mount
13.4 mi · 37,000 cfs

High
Clark Fork at St. Regis Mount
13.9 mi · 22,300 cfs

Normal
St. Regis River Near St. Regis, Mount
15.5 mi · 708 cfs

Low
Thompson River Near Thompson Falls Mount
20.7 mi · 640 cfs

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

Normal