Rivers in Kentucky

Green River (KY) at Calhoun Lock and Dam

McLean County, KentuckyNWS CALK2USGS 03320000West Paducah office

Below flood stage
9.83ftStage

Observed Thu, Sep 24, 4:00 AM CDT

Flood stage
23.00 ft
Forecast crest
9.80 ftThu, Sep 24, 7:00 AM CDT
Record crest
43.75 ft1937

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood32.00 ft
Moderate flood26.00 ft
Minor flood23.00 ft
Action18.00 ft
  1. 42.40 ftThis flood will exceed the highest stage on record. 60 percent of McLean county is inundated.
  2. 34.00 ftState Road 81 south of Rumsey is flooded and closed.
  3. 33.00 ftThe entire town of Rumsey is flooded.
  4. 32.00 ftMost of Rumsey is flooded. State Road 81 floods in Rumsey near the Methodist church. Widespread flooding of agricultural land south of Rumsey, even as far south as Cypress Creek.
  5. 30.00 ftLower Calhoun begins flooding. A large portion of Rumsey is flooded and evacuation of homes becomes necessary.
  6. 28.00 ftRiverview Drive in Calhoun floods.
  7. 26.00 ftModerate flooding occurs with thousands of acreage flooded in the Island, Rumsey, and Jewel City areas.
  8. 23.00 ftMinor flooding occurs affecting mainly agricultural bottomland and low lying areas.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued September 22, 2026.

Crest history

73 crests on NOAA’s list since 1913.

#DateStage
1January 27, 193743.75 ft
2January 1, 191336.80 ft
3January 16, 195036.30 ft
4April 13, 202535.89 ft
5March 11, 199734.37 ft
6May 7, 201134.01 ft
7March 10, 196233.97 ft
8March 17, 196433.96 ft
9March 8, 194533.60 ft
10February 24, 198933.37 ft
11February 11, 193932.90 ft
12April 7, 193532.90 ft
13February 25, 195632.60 ft
14March 31, 195232.50 ft
15December 16, 197832.47 ft
16May 15, 198432.40 ft
17February 23, 202532.35 ft
18February 24, 194932.30 ft
19March 27, 194332.30 ft
20March 29, 195532.20 ft
21February 6, 193232.20 ft
22January 21, 195132.00 ft
23March 1, 201831.67 ft
24May 10, 201031.46 ft
25May 8, 198331.20 ft

Most recent crests

  • April 13, 2025: 35.89 ft
  • February 23, 2025: 32.35 ft
  • May 30, 2024: 24.38 ft
  • February 28, 2022: 25.40 ft
  • January 13, 2022: 24.59 ft
  • March 9, 2021: 29.69 ft
  • February 18, 2020: 27.25 ft
  • March 1, 2019: 30.69 ft
  • March 1, 2018: 31.67 ft
  • July 13, 2016: 23.81 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Ohio River Forecast Center. Forecasts are issued routinely year-round. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.