TidalMapRockcastle River at Billows, KY Water Level Today
NWS river forecast
| When | Stage | Flow |
|---|
Forecast from the NOAA National Water Prediction Service. Issued a few times a day and only while a forecast is active. Not for navigation.
Last 30 days
About this gauge
USGS gauge 03406500 sits on the Rockcastle River and reads everything draining 604 square miles of the Rockcastle basin. Its datum sits 803 feet above sea level NAVD88. Daily flow has been on record here since 1936, 82 years of it.
Normal flows here
The Rockcastle River runs a median of 285 cfs at this gauge across 82 years of record. March is the fullest month at a median 1,160 cfs, and September the leanest at 41 cfs. The highest daily mean on record is 46,200 cfs in 1979, and the lowest is 0.9 cfs in 1957.
| Month | Median flow | Share of annual median |
|---|---|---|
| Jan | 874 cfs | 307% |
| Feb | 1,080 cfs | 379% |
| Mar | 1,160 cfs | 407% |
| Apr | 893 cfs | 313% |
| May | 415 cfs | 146% |
| Jun | 174 cfs | 61% |
| Jul | 115 cfs | 40% |
| Aug | 80 cfs | 28% |
| Sep | 41 cfs | 14% |
| Oct | 41 cfs | 14% |
| Nov | 122 cfs | 43% |
| Dec | 623 cfs | 219% |
Medians from the USGS daily-statistics record, 1936 to 2025. A month at 100% is running at its own long-term median.
Flood stages and record crests
The highest crest on record is 47.2 feet, in December 1978.
| When | Crest |
|---|---|
| December 1978 | 47.2 ft |
| June 1947 | 45.5 ft |
| March 2021 | 45.1 ft |
| February 1962 | 43.9 ft |
| March 1975 | 43.2 ft |
Flood categories and crest history from the NOAA National Water Prediction Service, gauge BLWK2. Stages are gage height, not depth. Not for navigation.
Nearby river gauges
- Buck Creek near Shopville, KY
- Laurel River at Municipal Dam near Corbin, KY
- Lynn Camp Creek at Corbin, KY
- Cumberland River at Cumberland Falls, KY
- Cumberland River at Williamsburg, KY
- Cumberland River at Barbourville, KY
- Green River near Mckinney, KY
- Goose Creek at Manchester, KY
- Clear Fork at Saxton, KY
- Sturgeon Creek at Cressmont, KY
- South Fork Cumberland River near Stearns, KY
- Dix River near Danville, KY
Live streamflow and gage height: USGS gauge 03406500. Percentile context computed against the gauge's period of record. Not for navigation.
Open Rockcastle River at Billows, KY on the live chart →
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