What is the current flow on St. Mary River?
St. Mary River is currently flowing at 210 cfs at USGS gauge 05017500 as of Oct 3, 6:15 PM UTC.
St. Mary River at Babb Water Level & Fishing Conditions
Water level (gauge height) · Live from USGS
2.37 ft
Flow 210 cfs · as of Oct 3, 6:15 PM UTC
Flow is 210 cfs.
Flow
210 cfs
Gauge Height
2.37 ft
Water Temp
temporarily unavailable
About This Gauge
USGS 05017500 is a public stream gauge on St. Mary River in Montana. Waderly uses this page as the canonical landing page for flow, water level, and fishing-condition checks on this water. There are 8 nearby gauges linked from this page for watershed context.
3-Day Weather Outlook
The NOAA forecast for St. Mary River is not available on this page yet. Open St. Mary River on the Waderly map for the live forecast.
Waderly combines real-time USGS stream gauges with weather, barometric pressure trends, and solunar activity so you know what the water is doing before you go. The "typical" comparison above is an approximation based on the historical daily median flow for this date at this gauge.
Nearby Gauges
- St. Mary Canal at intake near Babb MT · 1.4 mi
- Swiftcurrent Creek at Sherburne MT · 4.4 mi
- Lake Sherburne at Sherburne MT · 4.6 mi
- St. Mary Canal at St. Mary Crossing near Babb MT · 8.1 mi
- Swiftcurrent Creek at Many Glacier MT · 11.0 mi
- Swiftcurrent Cr ab Swiftcurrent Lk at Many Glacier · 12.1 mi
- South Fork Milk River near Babb MT · 12.8 mi
- Grinnell C at G Glacier nr Many Glacier MT · 14.8 mi
Frequently Asked Questions
What is the water temperature on St. Mary River?
This USGS gauge is not currently reporting water temperature for St. Mary River, so this page does not show a live water-temperature reading.
What other gauges should I check near St. Mary River?
Nearby gauges worth checking include St. Mary Canal at intake near Babb MT (1.4 miles away), Swiftcurrent Creek at Sherburne MT (4.4 miles away), Lake Sherburne at Sherburne MT (4.6 miles away). Comparing nearby gauges helps confirm whether conditions are changing upstream or across the watershed.
Intelligence for the water
Get a free alert the moment St. Mary River hits your window — the right flow, temperature, and conditions — instead of refreshing this page. Waderly watches the gauge so you don't have to.
Set a free flow alert for St. Mary River