Musselshell River at Mosby MT
Is Musselshell River at Mosby MT flooding right now?
Musselshell River at Mosby MT measured 2.67 ft on 2026-09-11 01:45:00 UTC. That observation was 7.3 ft below its 10 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
2.67 ft
Streamflow
79 cfs
Minor flooding here begins at 10 ft, with major flooding at 14 ft. The highest crest on record was 17.7 ft on Tue, Jul 27, 1993.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 8 ft | 5.3 ft below |
| Minor flood | 10 ft | 7.3 ft below |
| Moderate flood | 12 ft | 9.3 ft below |
| Major flood | 14 ft | 11.3 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 17.7 ft | 1993-07-27 |
| 16 ft | 2011-05-23 |
| 15.6 ft | 2011-06-10 |
| 15.17 ft | 1965-02-19 |
| 15.1 ft | 1979-03-12 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Flatwillow Creek near Mosby MT | 5.0 mi | Petroleum County |
| Box Elder Creek near Winnett MT | 12.6 mi | Petroleum County |
| Musselshell River at Musselshell MT | 34.2 mi | Musselshell County |
| Willow Creek above LMGA Reservoir near Roundup MT | 46.7 mi | Musselshell County |
| Willow Creek at U.S. canal near Roundup MT | 48.0 mi | Musselshell County |
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Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.