StormCast — Weather & Emergency Alerts

Big Wood River near Ketchum
Idaho — Water Level & Flood Stage

Located in Blaine County, Idaho on the Big Wood River. Live water level data from USGS gauge 13135500, updated every 15 minutes.

Current Water Level

Gage Height

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Streamflow

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Last Reading

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Flood Stages

Major Flood

10 ft

5,355 cfs

Moderate Flood

9 ft

3,075 cfs

Minor Flood

8 ft

1,559 cfs

Action Stage

7.5 ft

1,038 cfs

Flood stages defined by the National Weather Service. Gage height data from USGS Water Resources.

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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View Official NWS Hydrograph →

Historic Crests

Date Stage Flow
May 6, 20179.89 ft5,060 cfs
May 6, 20179.89 ft5,060 cfs
Apr 25, 20128.74 ft1,830 cfs
Apr 25, 20128.74 ft1,830 cfs
Jun 23, 20117.61 ft952 cfs

About This Gauge

USGS Site

13135500

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.

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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 — even when your screen is off.

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