StormCast — Weather & Emergency Alerts

Thompson River at Davis City
Iowa — Water Level & Flood Stage

Located in Decatur County, Iowa on the Thompson River. Live water level data from USGS gauge 06898000, 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

24 ft

Moderate Flood

20 ft

Minor Flood

12 ft

Action Stage

8 ft

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

What Floods at Each Level

24 ft

Water affects both lanes of I-35 along with many area highways and county roads. Widespread flooding occurs along both the Thompson River and its tributaries.

19 ft

Water affects the Hwy R15 bridge crossings just north of Grand River. Flooding occurs in the low areas of Davis City.

13 ft

Flooding of agricultural land occurs north of Davis City near I-35.

12 ft

Widespread flooding occurs at the Davis City park including the campgrounds. Water affects Hwy R15 just north of the town of Grand River in northwest Decatur County.

11 ft

Water affects the Davis City park and campgrounds.

10 ft

Water affects gravel roads from Shewmaker Park to Oakhill cemetery near the town of Grand River in northwest Decatur County.

9 ft

Water affects the low areas of the Davis City park as well as some rural roads.

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
Sep 15, 199224.29 ft57,000 cfs
Sep 15, 199224.29 ft57,000 cfs
Aug 26, 190323 ft
Aug 26, 190323 ft
Aug 7, 188522.8 ft30,000 cfs

About This Gauge

USGS Site

06898000

NWS LID

DVSI4

River

Thompson River

County

Decatur, IA

Coordinates

40.6403°N, 93.8081°W

Get Flood Alerts for Thompson 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 Thompson River at Davis City?

The Thompson River at Davis City gauge is maintained by USGS (site 06898000) 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 Thompson River at Davis City?

The NWS-defined flood stage for Thompson River at Davis City is 12 feet. Action stage begins at 8 feet. Moderate flooding starts at 20 feet, and major flooding at 24 feet.

How do I get alerts when Thompson River rises?

Download StormCast free on Google Play, go to River Gauges, and add Thompson River at Davis City 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 Thompson River at Davis City gauge located?

The gauge is located in Decatur County, Iowa at coordinates 40.6403°N, 93.8081°W. USGS site number: 06898000. Data is provided by the U.S. Geological Survey and the National Weather Service.

On This River

More Resources

Source & Notes

Data provided by: Observations courtesy of U.S. Geological Survey