Mississippi River at St. Louis, MO

USGS Site No: 07010000 • Mississippi River • St. Louis city, MO

Mississippi River at St. Louis, MO on the Mississippi River is currently at 225,000 cfs (High — 80th percentile for this date) . Gage height: 12.60 ft.

Reading from

225,000
CFS Discharge
12.60
Gage Height (ft)
High
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for October 27 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 65,700
25th Low threshold 84,800
50th (Median) Normal (median) 113,000
75th High threshold 172,000
95th Very High threshold 371,000 Today: 225,000 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.

663k 332k 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 245,000 —
May 27, 2026 264,000 —
May 26, 2026 286,000 —
May 25, 2026 316,000 —
May 24, 2026 349,000 —
May 23, 2026 372,000 —
May 22, 2026 372,000 —
May 21, 2026 347,000 —
May 20, 2026 292,000 —
May 19, 2026 224,000 —
May 18, 2026 204,000 —
May 17, 2026 215,000 —
May 16, 2026 230,000 —
May 15, 2026 241,000 —
Apr 20, 2026 402,000 —
Apr 19, 2026 382,000 —
Apr 18, 2026 358,000 —
Apr 17, 2026 356,000 —
Apr 16, 2026 347,000 —
Apr 15, 2026 323,000 —
Apr 14, 2026 314,000 —
Apr 13, 2026 310,000 —
Apr 12, 2026 313,000 —
Apr 11, 2026 315,000 —
Apr 10, 2026 317,000 —
Apr 9, 2026 320,000 —
Apr 8, 2026 323,000 —
Apr 7, 2026 332,000 —
Apr 6, 2026 347,000 —
Apr 5, 2026 339,000 —

Station Information

USGS Site No
07010000
State
MO
Coordinates
38.6290, -90.1798
Drainage Area
697,000 mi²
Datum (ft)
379.6
HUC Code
07140101
View on USGS NWIS →

Flood Stage Thresholds

Action Stage
28.0 ft
Flood Stage
30.0 ft
Moderate Flood
35.0 ft
Major Flood
40.0 ft

Currently 17.40 ft below flood stage.

Recent Extremes

Max discharge
402,000 cfs
Apr 20, 2026
Min discharge
67,000 cfs
Dec 17, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges