StormCast — Weather & Emergency Alerts

North Saint Vrain Creek (CO) above Lyons
Colorado — Water Level & Flood Stage

Located in Boulder County, Colorado on the North Saint Vrain Creek (CO). Live water level data from USGS, updated every 15 minutes.

Current Water Level

Gage Height

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Streamflow

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Last Reading

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This is an NWS forecast point (LID: NSVC2). Live data may be limited. View on NWS AHPS →

Flood Stages

Major Flood

11.5 ft

Moderate Flood

11 ft

Minor Flood

10.5 ft

Action Stage

10 ft

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

What Floods at Each Level

5.5 ft

FLOODING AT THE ROCK'N RIVER BED AND BREAKFAST INN AT HIGHWAY 36. CONSIDERABLE OVERBANK FLOW ALONG REACH

4 ft

WATER INTO LOW LYING AREAS

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 →

About This Gauge

NWS LID

NSVC2

River

North Saint Vrain Creek (CO)

County

Boulder, CO

Coordinates

40.2481°N, 105.2975°W

Get Flood Alerts for North Saint Vrain Creek (CO)

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 Saint Vrain Creek (CO) above Lyons?

The North Saint Vrain Creek (CO) above Lyons gauge is maintained by USGS 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 Saint Vrain Creek (CO) above Lyons?

The NWS-defined flood stage for North Saint Vrain Creek (CO) above Lyons is 10.5 feet. Action stage begins at 10 feet. Moderate flooding starts at 11 feet, and major flooding at 11.5 feet.

How do I get alerts when North Saint Vrain Creek (CO) rises?

Download StormCast free on Google Play, go to River Gauges, and add North Saint Vrain Creek (CO) above Lyons 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 Saint Vrain Creek (CO) above Lyons gauge located?

The gauge is located in Boulder County, Colorado at coordinates 40.2481°N, 105.2975°W. Data is provided by the U.S. Geological Survey and the National Weather Service.

On This River

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Source & Notes

Data provided by: Mile High Flood District