Madison River at Below Ennis Lake, MT
USGS gauge 06041000 · drainage 2,213 sq mi · observed Oct 16, 8:00 PM MDT · 98 min old
Weather alerts Official NWS
No active National Weather Service alerts were returned for this location. This is not a statement that conditions are safe.
Source: National Weather Service alerts for the gauge location, fetched Oct 16, 9:35 PM MDT.
Last 7 days Live gauge
Source: USGS Water Data API (continuous values), observed to Oct 16, 8:00 PM MDT. Shaded band: 25th to 75th percentile of USGS daily statistics for each date; dashed: median. Flow in cfs.
Gage height Live gauge
| Measure | Gage height | Note |
|---|---|---|
| Latest gage height | 3.75 ft | Oct 16, 8:00 PM MDT |
Source: USGS Water Data API (continuous gage height), observed to Oct 16, 8:00 PM MDT.
Gauge location Mapped layer
Source: Map services and data available from U.S. Geological Survey, National Geospatial Program (USGS Topo). Map about 10 miles across, centred on the gauge at 45.4902, -111.6345.
Radar Official NWS
Source: National Weather Service radar, station KTFX. The loop is served live by the NWS and shows its own frame times.
Weather forecast Official NWS
Source: National Weather Service point forecast, updated Oct 16, 6:11 PM MDT.
Public land at this gauge Mapped layer
| Unit | Managed by | Public access |
|---|---|---|
| Dillon Field Office | Bureau of Land Management | Open access |
Source: USGS Protected Areas Database (PAD-US), within about half a mile of the gauge, downloaded Oct 12, 2026. Mapped land is not proof of legal access.
About USGS gauge 06041000 Historical record
| Item | Value |
|---|---|
| USGS site name | Madison River bl Ennis Lake nr McAllister MT |
| Site type | Stream |
| Agency | U.S. Geological Survey |
| County and state | Madison County, Montana |
| Drainage area | 2,213 sq mi |
| Altitude | 4,693 ft (NAVD88) |
| Hydrologic unit code | 100200071501 |
| Coordinates | 45.4902, -111.6345 |
| Daily mean flow record | Oct 1, 1938 to Oct 14, 2026 |
| Instantaneous flow record | Oct 1, 1992 to Oct 16, 2026 |
| Instantaneous gage height record | Oct 1, 2007 to Oct 16, 2026 |
| Annual peaks on file | 87, 1939 to 2025 |
Source: USGS Water Data API monitoring-locations and time-series-metadata, fetched Oct 16, 9:36 PM MDT.
Sources and method
- Forecasts, alerts and observations: National Weather Service. NWS material is not subject to copyright. Terms
- Data: U.S. Geological Survey. Terms
- Map services and data available from U.S. Geological Survey, National Geospatial Program. Terms
- Rain estimates and radar: NOAA and National Weather Service. Terms
- Public land: USGS Gap Analysis Project, Protected Areas Database of the United States (PAD-US). Terms
USGS daily statistics, downloaded Oct 12, 2026
Percentile method: trailing 24 h mean vs USGS daily percentiles for calendar date 10-16.
Percentile is estimated from USGS published daily percentiles. Readings are provisional until USGS reviews them. Not endorsed by USGS, NOAA or the National Weather Service. Not for navigation or safety-of-life decisions; the absence of an alert is not a statement that conditions are safe.