StormCast — Weather & Emergency Alerts

North Platte River below Gray Reef Reservoir
Wyoming — Water Level & Flood Stage

Located in Natrona County, Wyoming on the North Platte River. Live water level data from USGS gauge 06642000, 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

Action Stage

9 ft

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

What Floods at Each Level

9.9 ft

RECORD STAGE.

9 ft

BANKFULL STAGE.

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
Apr 26, 19839.9 ft3,160 cfs
Apr 26, 19839.9 ft3,160 cfs
Apr 27, 19808.84 ft2,410 cfs
Apr 27, 19808.84 ft2,410 cfs
May 12, 19738.57 ft2,040 cfs

About This Gauge

USGS Site

06642000

NWS LID

GRFW4

River

North Platte River

County

Natrona, WY

Coordinates

42.5742°N, 106.8061°W

Get Flood Alerts for North Platte 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 North Platte River below Gray Reef Reservoir?

The North Platte River below Gray Reef Reservoir gauge is maintained by USGS (site 06642000) 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 North Platte River below Gray Reef Reservoir?

This gauge has NWS-defined flood categories. Check the flood stages section above for current thresholds.

How do I get alerts when North Platte River rises?

Download StormCast free on Google Play, go to River Gauges, and add North Platte River below Gray Reef Reservoir 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 North Platte River below Gray Reef Reservoir gauge located?

The gauge is located in Natrona County, Wyoming at coordinates 42.5742°N, 106.8061°W. USGS site number: 06642000. Data is provided by the U.S. Geological Survey and the National Weather Service.

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Source & Notes

Data provided by: Data courtesy of U.S. Bureau of Reclamation