Illinois River at Highway. 16 Near Siloam Springs AR

USGS Site No: 07195400 • Illinois River • Benton County, AR

Illinois River at Highway. 16 Near Siloam Springs AR on the Illinois River is currently at 462 cfs (High — 77th percentile for this date) . Gage height: 6.82 ft.

Reading from

462
CFS Discharge
6.82
Gage Height (ft)
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 101
25th Low threshold 154
50th (Median) Normal (median) 212
75th High threshold 300
95th Very High threshold 2,170 Today: 462 cfs

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.

24k 12k 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 511 —
May 27, 2026 509 —
May 26, 2026 475 —
May 25, 2026 528 —
May 24, 2026 628 —
May 23, 2026 831 —
May 22, 2026 1,610 —
May 21, 2026 604 —
May 20, 2026 704 —
May 19, 2026 577 —
May 18, 2026 322 —
May 17, 2026 331 —
May 16, 2026 342 —
May 15, 2026 350 —
Apr 20, 2026 422 —
Apr 19, 2026 575 —
Apr 18, 2026 625 —
Apr 17, 2026 409 —
Apr 16, 2026 613 —
Apr 15, 2026 370 —
Apr 14, 2026 265 —
Apr 13, 2026 273 —
Apr 12, 2026 289 —
Apr 11, 2026 312 —
Apr 10, 2026 335 —
Apr 9, 2026 370 —
Apr 8, 2026 427 —
Apr 7, 2026 522 —
Apr 6, 2026 696 —
Apr 5, 2026 1,390 —

Station Information

USGS Site No
07195400
State
AR
County
Benton County
Coordinates
36.1447, -94.4947
Drainage Area
509 mi²
Datum (ft)
933.1
HUC Code
11110103
View on USGS NWIS →

Recent Extremes

Max discharge
12,300 cfs
Jun 7, 2025
Min discharge
199 cfs
Mar 1, 2026

Computed from the local daily-values archive.

Nearby Gauges