Roanoke River at Niagara, VA
Roanoke County, Virginia · USGS 02056000
Latest observation
What this gauge represents: This gauge measures conditions on Roanoke River at its USGS monitoring location in Roanoke County; conditions elsewhere on the waterway may differ.
Observed · 1 hour ago
Observed
How to read these numbers
How much water moves past the gauge each second. Higher numbers mean more water is moving downstream.
The water-surface height at this gauge. It is useful for tracking rises, falls and flood thresholds, but it is not the river's total depth.
How much the latest reading has risen or fallen compared with roughly 24 hours earlier.
The typical streamflow for this date based on USGS historical statistics. A multiple such as 3× means current flow is about three times the historical median.
Get Water Data's plain-language summary of current flow, historical context and recent direction.
Official action and flood thresholds where available. These levels are specific to each gauge location.
Gauge height and flood stage are station-specific. A 12-foot reading at one gauge should not be directly compared with 12 feet at another.
Below historical median · Falling
Streamflow is currently 138 ft³/s, 27% below the historical median for this date. Flow has fallen 18 CFS over the past 24 hours.
USGS-reported historical daily median for 09-27: 188 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →Streamflow trend
Daily mean streamflow · Aug 28–Sep 26 · dates shown in UTC · 30 observations
Look at the data (30 rows)
| Date (UTC) | Daily mean |
|---|---|
| Aug 28, 2026, 12:00 AM | 248 CFS |
| Aug 29, 2026, 12:00 AM | 149 CFS |
| Aug 30, 2026, 12:00 AM | 138 CFS |
| Aug 31, 2026, 12:00 AM | 131 CFS |
| Sep 1, 2026, 12:00 AM | 124 CFS |
| Sep 2, 2026, 12:00 AM | 121 CFS |
| Sep 3, 2026, 12:00 AM | 119 CFS |
| Sep 4, 2026, 12:00 AM | 116 CFS |
| Sep 5, 2026, 12:00 AM | 112 CFS |
| Sep 6, 2026, 12:00 AM | 111 CFS |
| Sep 7, 2026, 12:00 AM | 110 CFS |
| Sep 8, 2026, 12:00 AM | 109 CFS |
| Sep 9, 2026, 12:00 AM | 108 CFS |
| Sep 10, 2026, 12:00 AM | 107 CFS |
| Sep 11, 2026, 12:00 AM | 176 CFS |
| Sep 12, 2026, 12:00 AM | 143 CFS |
| Sep 13, 2026, 12:00 AM | 225 CFS |
| Sep 14, 2026, 12:00 AM | 129 CFS |
| Sep 15, 2026, 12:00 AM | 116 CFS |
| Sep 16, 2026, 12:00 AM | 111 CFS |
| Sep 17, 2026, 12:00 AM | 115 CFS |
| Sep 18, 2026, 12:00 AM | 109 CFS |
| Sep 19, 2026, 12:00 AM | 106 CFS |
| Sep 20, 2026, 12:00 AM | 107 CFS |
| Sep 21, 2026, 12:00 AM | 113 CFS |
| Sep 22, 2026, 12:00 AM | 136 CFS |
| Sep 23, 2026, 12:00 AM | 266 CFS |
| Sep 24, 2026, 12:00 AM | 218 CFS |
| Sep 25, 2026, 12:00 AM | 163 CFS |
| Sep 26, 2026, 12:00 AM | 149 CFS |
About this gauge
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
View USGS station →