Sf Boise River near Featherville ID

USGS Site No: 13186000 • Sf Boise River • Elmore County, ID

Sf Boise River near Featherville ID on the Sf Boise River is currently at 1,740 cfs (Very High — 133th percentile for this date) . Gage height: 3.77 ft.

Reading from

1,740
CFS Discharge
3.77
Gage Height (ft)
Very High
Flow Condition
Normal
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 172
25th Low threshold 204
50th (Median) Normal (median) 230
75th High threshold 275
95th Very High threshold 364

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.

6.9k 3.4k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 1,940 —
May 27, 2026 2,000 —
May 26, 2026 1,720 —
May 25, 2026 1,560 —
May 24, 2026 1,380 —
May 23, 2026 1,280 —
May 22, 2026 1,260 —
May 21, 2026 1,270 —
May 20, 2026 1,330 —
May 19, 2026 1,430 —
May 18, 2026 1,590 —
May 17, 2026 1,810 —
May 16, 2026 2,070 —
May 15, 2026 2,370 —
Apr 20, 2026 1,100 —
Apr 19, 2026 1,110 —
Apr 18, 2026 1,150 —
Apr 17, 2026 1,210 —
Apr 16, 2026 1,380 —
Apr 15, 2026 1,330 —
Apr 14, 2026 1,350 —
Apr 13, 2026 1,490 —
Apr 12, 2026 1,560 —
Apr 11, 2026 1,460 —
Apr 10, 2026 1,290 —
Apr 9, 2026 1,210 —
Apr 8, 2026 1,170 —
Apr 7, 2026 1,110 —
Apr 6, 2026 1,070 —
Apr 5, 2026 1,080 —

Station Information

USGS Site No
13186000
State
ID
County
Elmore County
Coordinates
43.4958, -115.3081
Drainage Area
641 mi²
Datum (ft)
4,222.4
HUC Code
17050113
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
6.0 ft
Flood Stage
7.2 ft

Currently 3.43 ft below flood stage.

Recent Extremes

Max discharge
3,820 cfs
May 12, 2025
Min discharge
142 cfs
Aug 24, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges