Illinois River Near Agness, OR

USGS Site No: 14378200 • Illinois River • Curry County, OR

Illinois River Near Agness, OR on the Illinois River is currently at 634 cfs (Low — 12th percentile for this date) . Gage height: 4.63 ft.

Reading from

↑ Upstream on Illinois River
Illinois River Near Kerby, OR
634
CFS Discharge
4.63
Gage Height (ft)
Low
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 617
25th Low threshold 764 Today: 634 cfs
50th (Median) Normal (median) 899
75th High threshold 1,160
95th Very High threshold 1,860

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.

29k 14k 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 648 —
May 27, 2026 642 —
May 26, 2026 623 —
May 25, 2026 583 —
May 24, 2026 588 —
May 23, 2026 604 —
May 22, 2026 621 —
May 21, 2026 629 —
May 20, 2026 644 —
May 19, 2026 668 —
May 18, 2026 688 —
May 17, 2026 705 —
May 16, 2026 721 —
May 15, 2026 785 —
Apr 20, 2026 2,020 —
Apr 19, 2026 2,170 —
Apr 18, 2026 2,390 —
Apr 17, 2026 2,670 —
Apr 16, 2026 2,930 —
Apr 15, 2026 2,680 —
Apr 14, 2026 2,500 —
Apr 13, 2026 2,830 —
Apr 12, 2026 2,760 —
Apr 11, 2026 1,890 —
Apr 10, 2026 1,630 —
Apr 9, 2026 1,610 —
Apr 8, 2026 1,690 —
Apr 7, 2026 1,810 —
Apr 6, 2026 1,980 —
Apr 5, 2026 2,180 —

Station Information

USGS Site No
14378200
State
OR
County
Curry County
Coordinates
42.5449, -124.0519
Drainage Area
988 mi²
Datum (ft)
112.0
HUC Code
17100311
View on USGS NWIS →

Recent Extremes

Max discharge
33,600 cfs
Feb 24, 2026
Min discharge
144 cfs
Aug 31, 2025

Computed from the local daily-values archive.

Nearby Gauges

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