Rivers in Tennessee

Red River near Port Royal

Montgomery County, TennesseeNWS PORT1USGS 03436100Old Hickory office

Below flood stage
3.79ftStage

Observed Wed, Sep 23, 11:30 AM CDT

Flood stage
30.00 ft
Record crest
49.48 ft2010

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood40.00 ft
Moderate flood38.00 ft
Minor flood30.00 ft
Action25.00 ft
  1. 52.00 ftRecord flooding is impacting many homes near the river, and many main roads are affected as well including the northbound lanes of I-24, Hwy 161, Porters Chapel Rd, portions of Hwy 238 near Port Royal State Park, Warfield Blvd near Shady Bluff Trail, Buzzard Creek Rd, and Keysburg Rd.
  2. 50.00 ftWidespread flooding is impacting homes on Rivermont Dr, River Run, Idlewood Dr, Wimbledon Ct, Colin Ct, E Accipiter Cir, Pond Apple Rd, Foxfire Rd, Hay Market Rd, Riverhaven Dr, Stonegate Dr and Willow Bend Dr. Water reaches Hwy 161, Porters Chapel Rd, Hwy 238 near Port Royal State Park, the northbound lanes of I-24, Warfield Blvd near Shady Bluff Trail, Buzzard Creek Rd, and Keysburg Rd. Water approaches Hwy 238 near Port Royal Rd just south of Port Royal State Park which may be impassable.
  3. 48.00 ftFlooding continues to impact homes on Rivermont Dr, River Run, Idlewood Dr, Wimbledon Ct, Colin Ct, E Accipiter Cir, Pond Apple Rd, Foxfire Rd, Hay Market Rd, Riverhaven Dr, Stonegate Dr and Willow Bend Dr. Water reaches Hwy 161 near the state line, Porters Chapel Rd near Hugh Gill Rd, and Hwy 238 near Port Royal State Park. Water approaches northbound lanes of I-24 near the river, Warfield Blvd near Shady Bluff Trail, Buzzard Creek Rd, and Keysburg Rd, which may be impassable at higher levels.
  4. 46.00 ftHomes on Rivermont Dr, River Run, Idlewood Dr, and Wimbledon Ct are impacted and homes on Colin Ct, E Accipiter Cir, Pond Apple Rd, Foxfire Rd, Hay Market Rd, and Riverhaven Dr begin to be impacted. Water reaches yards of homes on Stonegate Dr and Willow Bend Dr, and approaches Hwy 161 near the Kentucky State Line, Porters Chapel Rd near Hugh Gill Rd, and Hwy 238 just north of the bridge at Port Royal State Park which may be impassable at higher levels.
  5. 44.00 ftWater reaches homes on Rivermont Dr, River Run, Idlewood Dr, and Wimbledon Ct, and reaches yards of homes on Colin Ct, E Accipiter Cir, Pond Apple Rd, Foxfire Rd, Hay Market Rd, and Riverhaven Dr. Water reaches the Port Royal State Park Trail of Tears Trailhead parking area, and approaches yards of homes on Stonegate Dr and Willow Bend Dr.
  6. 42.00 ftFlood waters begin to approach homes on Rivermont Dr, River Run, Idlewood Dr, and Wimbledon Ct, and approach yards of homes on Colin Ct, E Accipiter Cir, Pond Apple Rd, Foxfire Rd, Hay Market Rd, and Riverhaven Dr. Roads are also impacted and impassable, including Port Royal Rd near Hwy 238 and Dunbar Cave Rd just west of Warfield Blvd.
  7. 40.00 ftSignificant flooding continues to affect areas along the river, including the Red River Valley Park, Port Royal Rd near Hwy 238, Dunbar Cave Rd just west of Warfield Blvd which is covered with water, and portions of the Swan Lake Golf Course. Water reaches yards of homes on Rivermont Dr, River Run, Idlewood Dr, and Wimbledon Ct.
  8. 38.00 ftSignificant flooding is impacting agricultural land, parks, and access areas along the river, including the Red River Valley Park where several campsites are flooded, and Port Royal Rd near Hwy 238 which is covered with water. Water approaches Dunbar Cave Rd just west of Warfield Blvd and may be impassable at higher levels, and water reaches low lying portions of the Swan Lake Golf Course.
  9. 36.00 ftFlooding continues to affect agricultural land, parks, and access areas along the river, including the Red River Valley Park where water reaches campsites and evacuations may be needed, and Port Royal Rd near Hwy 238 which is covered with water. Water approaches Dunbar Cave Rd just west of Warfield Blvd and may be impassable at higher levels.
  10. 34.00 ftFlooding continues to affect agricultural land and adjacent areas along the river, including the Porter Chapel Public Access Area, and the Red River Valley Park where water approaches campsites and evacuations may be needed for higher levels. Water approaches Port Royal Rd near Hwy 238 which may be impassable at higher levels.
  11. 32.00 ftFlood waters continue to impact agricultural land and adjacent areas along the river from the Kentucky State Line through Adams, past Port Royal State Park, to Clarksville. This includes the Red River Valley Park where water covers most of the parking area, the Porters Chapel Public Access area, The River Club golf course which is mostly covered, and portions of the Clarksville Country Club.
  12. 30.00 ftLow lying agricultural areas along the Red River from the Kentucky State Line through Adams, past Port Royal State Park, and down to Clarksville begin to flood. This includes the Red River Valley Park where water is up to the parking area, the Porters Chapel Public Access area, The River Club golf course, and portions of the Clarksville Country Club.
  13. 28.00 ftPortions of the Red River Valley Park and canoe launch, and the Porters Chapel Public Access parking area begin to be inundated. Water continues to inundate agricultural areas along the river, the Port Royal State Park public access area, and the golf course at The River Club. Portions of the golf course at the Clarksville Country Club begin to be inundated.
  14. 26.00 ftLow lying agricultural areas along the river begin to be inundated, and water continues to affect the Port Royal State Park public access area and parking lot, as well as portions of the golf course at The River Club.
  15. 24.00 ftThe Port Royal State Park public access area and parking lot begin to be inundated, and water begins to inundate low lying portions of the golf course at The River Club.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor flooding10%
Moderate flooding7%
Major flooding5%

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

Crest history

51 crests on NOAA’s list since 1937.

#DateStage
1May 3, 201049.48 ft
2March 13, 197548.26 ft
3January 23, 193744.40 ft
4February 27, 196243.18 ft
5May 20, 198342.36 ft
6December 9, 197842.14 ft
7March 3, 199741.46 ft
8May 8, 198440.54 ft
9April 5, 196839.50 ft
10January 11, 197439.36 ft
11June 11, 199838.05 ft
12February 4, 199037.91 ft
13January 23, 199937.88 ft
14February 24, 201937.52 ft
15February 15, 198937.24 ft
16June 7, 198136.69 ft
17December 22, 199035.45 ft
18April 4, 200835.20 ft
19January 28, 200934.59 ft
20December 9, 197234.42 ft
21March 10, 196434.22 ft
22March 10, 199434.13 ft
23February 16, 200333.71 ft
24May 15, 196733.11 ft
25March 4, 197732.80 ft

Most recent crests

  • February 24, 2019: 37.52 ft
  • May 3, 2010: 49.48 ft
  • January 28, 2009: 34.59 ft
  • April 4, 2008: 35.20 ft
  • May 6, 2007: 22.16 ft
  • January 23, 2006: 22.48 ft
  • August 31, 2005: 28.96 ft
  • April 23, 2004: 26.61 ft
  • February 16, 2003: 33.71 ft
  • November 30, 2001: 28.74 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the Ohio River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available.

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.