Madison River below Hebgen Lake near Grayling MT

Gallatin County, Montana · USGS gauge 06038500 · NWS HBDM8 · Madison River flood status · Montana river levels

Is Madison River below Hebgen Lake near Grayling MT flooding right now?

Madison River below Hebgen Lake near Grayling MT measured 1.47 ft on 2026-10-27 18:45:00 UTC. No NWS minor flood stage is published for this gauge.

Gauge height

1.47 ft

as of 65 min ago

Streamflow

641 cfs

data refreshed 3 min ago

The highest crest on record was 5.3 ft on Mon, Aug 17, 1959.

Streamflow outlook

NOAA National Water Model forecast, issued 14 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

No National Weather Service flood stage is published for this gauge, so no flood category can be shown — why some gauges have no flood stage.

Highest crests on record

Stage	Date
5.3 ft	1959-08-17
3.76 ft	1970-06-10
3.69 ft	1943-06-03
3.69 ft	2006-05-25
3.29 ft	1993-05-27

Nearby gauges

Gauge	Distance	County
Madison River at Kirby Ranch near Cameron MT	11.9 mi	Madison County
Henrys Fork near Lake ID	18.8 mi	Fremont County
Madison River near West Yellowstone, MT	19.6 mi	Gallatin County
Red Rock Creek above Lakes, near Lakeview, MT	22.3 mi	Beaverhead County
Big Springs At Big Springs ID	25.6 mi	Fremont County

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.

Sources: USGS monitoring location · NWS gauge & forecast