Castor River At Zalma, Mo Realtime Data
CASTOR RIVER AT ZALMA, MO
Realtime Data • Report • Conditions
693
Discharge (cfs)
4.6
Gauge Height (ft)
Streamflow discharge was last observed at 693 cfs, and a gauge height of 4.58 feet.
With the
% decrease since yesterday,
the streamflow average over the past 10 days is 527 .
Weather today, Tomorrow,
The Castor River flows for 84 miles before joining the St. Francis River. The primary flow providers for the Castor River are springs and tributaries, with the largest tributary being Little Castor Creek. The river is not affected by any major dams. The flow of the Castor River varies greatly throughout the year, with the highest flows occurring in the spring and the lowest flows occurring in the late summer and fall. The river is known for its excellent smallmouth bass fishing and its scenic beauty, with limestone bluffs and crystal-clear water.
July 13, 2026
| Elevation | 365.0 ft |
| Last Updated | |
| Gage height, ft | 4.58 ft |
| Streamflow, ft³/s | 693.0 ft3/s |
| Percent of Normal | 545% |
| Year Over Year Average | 127 cfs |
| 24hr Flow Prediction | cfs |
| Maximum Recorded | 61,400 cfs |
Continue with Snoflo Premium