Gallatin River at Logan MT
Is Gallatin River at Logan MT flooding right now?
Gallatin River at Logan MT measured 4.58 ft on 2026-09-11 01:00:00 UTC. That observation was 4.4 ft below its 9 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
4.58 ft
Streamflow
368 cfs
Minor flooding here begins at 9 ft, with major flooding at 11 ft. The highest crest on record was 11.88 ft on Tue, Feb 5, 1963.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 8 ft | 3.4 ft below |
| Minor flood | 9 ft | 4.4 ft below |
| Moderate flood | 10 ft | 5.4 ft below |
| Major flood | 11 ft | 6.4 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 11.88 ft | 1963-02-05 |
| 11.85 ft | 1969-02-17 |
| 10.87 ft | 2019-02-28 |
| 10.63 ft | 1975-01-29 |
| 10.32 ft | 1980-01-01 |
Last 7 days
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Jefferson River near Three Forks MT | 7.4 mi | Broadwater County |
| Missouri River at Toston MT | 18.0 mi | Broadwater County |
| Willow Creek near Harrison MT | 18.2 mi | Madison County |
| Madison River near Norris MT | 20.2 mi | Madison County |
| East Gallatin River below Bridger C near Bozeman MT | 21.1 mi | Gallatin 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.