South Grand River at Archie, MO

USGS Site No: 06921590 • South Grand River • Cass County, MO

South Grand River at Archie, MO on the South Grand River is currently at 776 cfs (Very High — 107th percentile for this date) . Gage height: 7.71 ft.

Reading from

Downstream on South Grand River ↓
South Grand River at Urich, MO
776
CFS Discharge
7.71
Gage Height (ft)
Very 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 1
25th Low threshold 4
50th (Median) Normal (median) 17
75th High threshold 103
95th Very High threshold 349

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.

11k 5.4k 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 115 —
May 27, 2026 82 —
May 26, 2026 105 —
May 25, 2026 143 —
May 24, 2026 206 —
May 23, 2026 313 —
May 22, 2026 393 —
May 21, 2026 543 —
May 20, 2026 1,450 —
May 19, 2026 8,600 —
May 18, 2026 1,180 —
May 17, 2026 39 —
May 16, 2026 44 —
May 15, 2026 46 —
Apr 20, 2026 250 —
Apr 19, 2026 411 —
Apr 18, 2026 1,170 —
Apr 17, 2026 481 —
Apr 16, 2026 630 —
Apr 15, 2026 786 —
Apr 14, 2026 4,000 —
Apr 13, 2026 1,490 —
Apr 12, 2026 923 —
Apr 11, 2026 973 —
Apr 10, 2026 2,060 —
Apr 9, 2026 84 —
Apr 8, 2026 97 —
Apr 7, 2026 117 —
Apr 6, 2026 148 —
Apr 5, 2026 211 —

Station Information

USGS Site No
06921590
State
MO
County
Cass County
Coordinates
38.4916, -94.3442
Drainage Area
356 mi²
Datum (ft)
767.4
HUC Code
10290108
View on USGS NWIS →

Recent Extremes

Max discharge
8,600 cfs
May 19, 2026
Min discharge
3 cfs
Nov 19, 2025

Computed from the local daily-values archive.

Nearby Gauges

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