Tobacco River at Eureka, Mount

USGS Site No: 12301250 • Tobacco River • Lincoln County, MT

Tobacco River at Eureka, Mount on the Tobacco River is currently at 876 cfs (Very High — 95th percentile for this date) . Gage height: 4.29 ft.

Reading from

876
CFS Discharge
4.29
Gage Height (ft)
Very High
Flow Condition
N/A
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 28 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 59
25th Low threshold 79
50th (Median) Normal (median) 92
75th High threshold 102
95th Very High threshold 0

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.

1k 515 0 cfs Apr 4 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 868 —
May 27, 2026 763 —
May 26, 2026 667 —
May 25, 2026 585 —
May 24, 2026 524 —
May 23, 2026 497 —
May 22, 2026 485 —
May 21, 2026 506 —
May 20, 2026 532 —
May 19, 2026 545 —
May 18, 2026 576 —
May 17, 2026 629 —
May 16, 2026 700 —
May 15, 2026 806 —
Apr 20, 2026 421 —
Apr 19, 2026 427 —
Apr 18, 2026 449 —
Apr 17, 2026 484 —
Apr 15, 2026 537 —
Apr 14, 2026 537 —
Apr 13, 2026 480 —
Apr 12, 2026 447 —
Apr 11, 2026 428 —
Apr 10, 2026 437 —
Apr 9, 2026 462 —
Apr 8, 2026 467 —
Apr 7, 2026 421 —
Apr 6, 2026 391 —
Apr 5, 2026 390 —
Apr 4, 2026 403 —

Station Information

USGS Site No
12301250
State
MT
County
Lincoln County
Coordinates
48.8779, -115.0545
Drainage Area
396 mi²
Datum (ft)
2,555.1
HUC Code
17010101
View on USGS NWIS →

Recent Extremes

Max discharge
1,180 cfs
Dec 11, 2025
Min discharge
42 cfs
Sep 11, 2025

Computed from the local daily-values archive.

Nearby Gauges

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