South Grand River at Archie, MO

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

South Grand River at Archie, MO on the South Grand River is currently at 776 cfs (High — 79th percentile for this date) . Gage height: 7.71 ft.

Reading from

776
CFS Discharge
7.71
Gage Height (ft)
High
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 12
25th Low threshold 24
50th (Median) Normal (median) 88
75th High threshold 330
95th Very High threshold 2,580 Today: 776 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.

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