Major Flood
10 ft
Current Water Level
Gage Height
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Streamflow
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Last Reading
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FLOOD STAGES
Know the flood categories.
Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.
Moderate Flood
9 ft
Minor Flood
8 ft
Action Stage
7.5 ft
What Floods at Each Level
10 ft
Widespread lowland flooding from Easley Hot Springs dowriver to Ketchum. Numerous properties will have water inundation. Sun Peak Picnic area flooded; Idaho Highwyat 75 may have erosion problems in several locations.
9 ft
Widespread lowland flooding from Easley Hot Springs downriver to Ketchum. Many properties will have water inundation. Sun Peak Picnic area flooded; Idaho Highway 75 may have bank erosion from Cottonwood Lane to Glassford Drive.
8 ft
Lowland flooding from near the SNRA building downriver into Ketchum. Property near Chocolate Gulch Road downstream to Ketchum will have flooding; Sun Peak Picnic Area flooded; Fox Creek Trailhead may be closed
7.5 ft
Near bankfull from Easley Hot Springs downriver to Ketchum.
Impact statements from the National Weather Service, describing what typically happens at each water level.
7-Day Water Level Chart
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Historic Crests
| Date | Stage | Flow |
|---|---|---|
| May 6, 2017 | 9.89 ft | 5,060 cfs |
| Apr 25, 2012 | 8.74 ft | 1,830 cfs |
| Jun 23, 2011 | 7.61 ft | 952 cfs |
About This Gauge
USGS Site
NWS LID
BWKI1
River
Big Wood River
County
Blaine, ID
Coordinates
43.7865°N, 114.4252°W
Get Flood Alerts for Big Wood River
StormCast monitors this gauge and sends a push notification to your phone when the water level crosses into a new flood category — even at 3 AM.
Frequently Asked Questions
What is the current water level of Big Wood River near Ketchum?
The Big Wood River near Ketchum gauge is maintained by USGS (site 13135500) and reports water levels every 15 minutes. Visit this page to see the latest reading updated live, or download StormCast to get push alerts when levels rise.
What is flood stage for Big Wood River near Ketchum?
The NWS-defined flood stage for Big Wood River near Ketchum is 8 feet. Action stage begins at 7.5 feet. Moderate flooding starts at 9 feet, and major flooding at 10 feet.
How do I get alerts when Big Wood River rises?
Download StormCast free on Google Play, go to River Gauges, and add Big Wood River near Ketchum to your watchlist. StormCast will send a push notification to your phone whenever the water level crosses into a new NWS flood category.
Where is the Big Wood River near Ketchum gauge located?
The gauge is located in Blaine County, Idaho at coordinates 43.7865°N, 114.4252°W. USGS site number: 13135500. Data is provided by the U.S. Geological Survey and the National Weather Service.
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Source & Notes
Data provided by: US Geological Survey, Observations courtesy of U.S. Geological Survey
- Stage may be affected by ice during winter months.