How high is the Jefferson River Near Three Forks Mount right now?

The Jefferson River Near Three Forks Mount is currently flowing at 1,760 cubic feet per second with a gage height of 3.92 feet, based on the most recent USGS instantaneous reading.

Is the flow on the Jefferson River Near Three Forks Mount normal for this time of year?

Current flow is classified as very low for June 11. Today's discharge is at the 10th percentile compared to the long-term historical record at this gauge.

Is the Jefferson River Near Three Forks Mount at flood stage?

No — the gage height is 4.08 feet below the NWS flood-stage threshold of 8.0 feet.

What is the historical median flow for the Jefferson River Near Three Forks Mount on June 11?

The long-term median discharge for this date is 4,850 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 1,830 to 15,200 cfs.

Where is the Jefferson River Near Three Forks Mount stream gauge located?

The Jefferson River Near Three Forks Mount stream gauge is operated by the USGS in Broadwater County, MT on the Jefferson River. USGS site number 06036650 (coordinates 45.8971, -111.5957).

Jefferson River Near Three Forks Mount

USGS Site No: 06036650 • Jefferson River • Broadwater County, MT

Jefferson River Near Three Forks Mount on the Jefferson River is currently at 1,760 cfs (Very Low — 10th percentile for this date) . Gage height: 3.92 ft.

Reading from 1 week ago

↑ Upstream on Jefferson River

Jefferson River at Parsons Bdg near Silver Star, Mount

1,760

CFS Discharge

3.92

Gage Height (ft)

Very 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	1,830	Today: 1,760 cfs
25th	Low threshold	2,930
50th (Median)	Normal (median)	4,850
75th	High threshold	7,470
95th	Very High threshold	15,200

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	1,470	—
May 27, 2026	1,300	—
May 26, 2026	1,260	—
May 25, 2026	1,320	—
May 24, 2026	1,470	—
May 23, 2026	1,650	—
May 22, 2026	1,760	—
May 21, 2026	1,950	—
May 20, 2026	2,150	—
May 19, 2026	2,400	—
May 18, 2026	2,520	—
May 17, 2026	2,510	—
May 16, 2026	2,560	—
May 15, 2026	2,510	—
Apr 20, 2026	1,780	—
Apr 19, 2026	1,900	—
Apr 18, 2026	2,010	—
Apr 17, 2026	2,130	—
Apr 16, 2026	2,220	—
Apr 15, 2026	2,310	—
Apr 14, 2026	2,360	—
Apr 13, 2026	2,230	—
Apr 12, 2026	2,020	—
Apr 11, 2026	1,870	—
Apr 10, 2026	1,800	—
Apr 9, 2026	1,760	—
Apr 8, 2026	1,710	—
Apr 7, 2026	1,730	—
Apr 6, 2026	1,770	—
Apr 5, 2026	1,910	—

Station Information

USGS Site No: 06036650
State: MT
County: Broadwater County
Coordinates: 45.8971, -111.5957
Drainage Area: 9,558 mi²
Datum (ft): 4,079.5
HUC Code: 10020005

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 7.0 ft
Flood Stage: 8.0 ft
Moderate Flood: 8.5 ft
Major Flood: 9.0 ft

Currently 4.08 ft below flood stage.

Recent Extremes

Max discharge: 5,160 cfs

May 15, 2025
Min discharge: 142 cfs

Aug 26, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

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7.4 mi · 1,620 cfs

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Willow Creek Near Harrison Mount
13.9 mi · 13 cfs

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Missouri River at Toston Mount
19.2 mi · 4,230 cfs

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Madison River Near Norris Mount
20.0 mi · 1,440 cfs

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East Gallatin River above Water Reclamation Fa near Bozeman Mount
28.1 mi · 100 cfs

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