Illinois River at Highway. 16 Near Siloam Springs AR

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

Illinois River at Highway. 16 Near Siloam Springs AR on the Illinois River is currently at 462 cfs (Normal — 45th percentile for this date) . Gage height: 6.82 ft.

Reading from

462
CFS Discharge
6.82
Gage Height (ft)
Normal
Flow Condition
N/A
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 138
25th Low threshold 234
50th (Median) Normal (median) 523 Today: 462 cfs
75th High threshold 778
95th Very High threshold 1,650

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