Overview Realtime Historical Map View
Flash Flood Warning
2026-10-11T11:15:00-04:00

At 750 AM EDT, Doppler radar and automated rain gauges indicated that heavy rain has exited the warned area, leaving only light to moderate rainfall. Between 1.5 and 3 inches of rain have fallen overnight. Additional rainfall amounts of 0.5 inch are possible in the warned area through 11 AM. Flash flooding is ongoing or expected to begin shortly. HAZARD...Flash flooding caused by heavy rain. SOURCE...Radar and automated gauges. IMPACT...Flash flooding of small creeks and streams, urban areas, highways, streets and underpasses as well as other poor drainage and low-lying areas. Some locations thathe expected rainfall rate is 1 to 2 inches in 1 hour. will experience flash flooding include... Roanoke, Salem, Vinton, Rocky Mount, Boones Mill, Ferrum and Penhook. This includes the following streams and drainages... Back Creek, Blackwater River, Big Chestnut Creek and Big Bear Rock Branch.

Blackwater River Near Rocky Mount, Va Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 153.25
01-02 160.9
01-03 151.39
01-04 162.11
01-05 146.48
01-06 136.97
01-07 136.51
01-08 125.59
01-09 127.87
01-10 294.49
01-11 191.6
01-12 223.67
01-13 181.96
01-14 163.15
01-15 151.34
01-16 349.37
01-17 182.05
01-18 235.18
01-19 153.6
01-20 144.52
01-21 141.85
01-22 136.48
01-23 121.33
01-24 126.94
01-25 201.91
01-26 211.76
01-27 159.96
01-28 162.28
01-29 166.32
01-30 143.75
01-31 248.17
02-01 197.87
02-02 161.36
02-03 144.63
02-04 250.51
02-05 184.26
02-06 151.15
02-07 285.51
02-08 195.88
02-09 157.38
02-10 141.06
02-11 144.42
02-12 216.69
02-13 288.92
02-14 285.44
02-15 198.54
02-16 360.31
02-17 295.28
02-18 212.63
02-19 183.52
02-20 229.65
02-21 201.81
02-22 222.46
02-23 222.34
02-24 251.24
02-25 283.05
02-26 210.08
02-27 204.26
02-28 175.03
02-29 171.25
03-01 162.05
03-02 183.92
03-03 162.0
03-04 219.76
03-05 163.44
03-06 210.14
03-07 168.53
03-08 156.11
03-09 152.2
03-10 172.89
03-11 150.79
03-12 142.47
03-13 158.41
03-14 147.72
03-15 151.53
03-16 153.54
03-17 170.67
03-18 149.59
03-19 141.21
03-20 138.51
03-21 145.55
03-22 137.49
03-23 129.25
03-24 211.09
03-25 190.64
03-26 164.91
03-27 148.8
03-28 154.93
03-29 145.07
03-30 138.1
03-31 133.52
04-01 163.76
04-02 145.88
04-03 132.41
04-04 144.02
04-05 133.05
04-06 140.41
04-07 132.45
04-08 161.13
04-09 135.37
04-10 129.67
04-11 122.81
04-12 128.26
04-13 148.24
04-14 191.03
04-15 242.36
04-16 194.99
04-17 159.02
04-18 142.8
04-19 154.48
04-20 203.37
04-21 201.1
04-22 159.23
04-23 170.49
04-24 167.05
04-25 361.49
04-26 257.79
04-27 205.09
04-28 167.73
04-29 183.47
04-30 167.47
05-01 191.96
05-02 167.58
05-03 157.34
05-04 147.25
05-05 154.77
05-06 206.01
05-07 196.82
05-08 185.83
05-09 176.81
05-10 146.58
05-11 134.01
05-12 127.66
05-13 154.81
05-14 165.81
05-15 358.07
05-16 151.78
05-17 142.43
05-18 130.01
05-19 289.41
05-20 305.14
05-21 392.29
05-22 391.73
05-23 230.98
05-24 195.82
05-25 439.4
05-26 197.57
05-27 237.15
05-28 205.11
05-29 194.29
05-30 200.63
05-31 160.82
06-01 143.83
06-02 131.19
06-03 134.64
06-04 120.94
06-05 157.12
06-06 156.84
06-07 220.66
06-08 164.27
06-09 247.48
06-10 164.63
06-11 178.01
06-12 136.41
06-13 144.84
06-14 134.83
06-15 109.22
06-16 145.27
06-17 129.0
06-18 310.01
06-19 217.21
06-20 159.37
06-21 160.14
06-22 148.45
06-23 167.33
06-24 131.43
06-25 123.35
06-26 110.39
06-27 119.78
06-28 97.88
06-29 95.45
06-30 95.2
07-01 82.55
07-02 86.92
07-03 115.41
07-04 103.41
07-05 222.03
07-06 127.33
07-07 113.0
07-08 93.83
07-09 178.74
07-10 98.87
07-11 96.57
07-12 111.15
07-13 94.95
07-14 91.93
07-15 93.29
07-16 100.78
07-17 82.22
07-18 75.47
07-19 109.93
07-20 94.01
07-21 71.23
07-22 83.69
07-23 80.64
07-24 80.39
07-25 74.91
07-26 83.41
07-27 75.51
07-28 75.57
07-29 65.71
07-30 70.58
07-31 127.64
08-01 103.74
08-02 101.39
08-03 157.66
08-04 112.78
08-05 89.46
08-06 70.51
08-07 92.34
08-08 78.3
08-09 76.79
08-10 108.64
08-11 88.44
08-12 76.71
08-13 102.41
08-14 74.04
08-15 72.29
08-16 81.32
08-17 77.68
08-18 68.63
08-19 89.46
08-20 78.22
08-21 81.98
08-22 102.56
08-23 75.99
08-24 82.8
08-25 115.21
08-26 74.59
08-27 62.18
08-28 57.63
08-29 61.14
08-30 54.43
08-31 54.45
09-01 106.62
09-02 70.21
09-03 58.83
09-04 55.49
09-05 56.03
09-06 65.28
09-07 179.13
09-08 73.04
09-09 112.82
09-10 70.55
09-11 83.55
09-12 66.52
09-13 76.97
09-14 69.64
09-15 59.71
09-16 68.38
09-17 182.99
09-18 76.04
09-19 92.74
09-20 84.57
09-21 71.43
09-22 69.09
09-23 266.37
09-24 106.34
09-25 85.68
09-26 90.11
09-27 101.23
09-28 168.4
09-29 115.29
09-30 293.36
10-01 149.53
10-02 108.76
10-03 123.09
10-04 188.98
10-05 125.88
10-06 95.94
10-07 83.98
10-08 276.13
10-09 131.29
10-10 97.73
10-11 89.05
10-12 383.8
10-13 150.99
10-14 115.6
10-15 111.82
10-16 112.07
10-17 100.04
10-18 86.25
10-19 80.99
10-20 80.44
10-21 89.44
10-22 81.44
10-23 80.38
10-24 75.86
10-25 75.76
10-26 76.26
10-27 86.55
10-28 98.37
10-29 141.96
10-30 175.01
10-31 116.57
11-01 142.79
11-02 108.51
11-03 115.46
11-04 90.69
11-05 94.34
11-06 86.61
11-07 110.94
11-08 87.59
11-09 82.33
11-10 272.53
11-11 112.76
11-12 483.08
11-13 258.92
11-14 151.36
11-15 122.46
11-16 193.96
11-17 128.81
11-18 112.1
11-19 102.28
11-20 94.82
11-21 108.22
11-22 113.66
11-23 100.5
11-24 109.4
11-25 137.63
11-26 103.22
11-27 169.61
11-28 114.86
11-29 99.94
11-30 154.69
12-01 143.06
12-02 150.4
12-03 134.46
12-04 117.01
12-05 129.74
12-06 121.72
12-07 138.82
12-08 271.43
12-09 138.59
12-10 141.61
12-11 149.93
12-12 120.8
12-13 109.61
12-14 103.72
12-15 207.48
12-16 228.6
12-17 192.34
12-18 165.46
12-19 137.79
12-20 130.8
12-21 302.63
12-22 181.35
12-23 194.48
12-24 201.66
12-25 202.27
12-26 168.27
12-27 187.98
12-28 186.17
12-29 208.83
12-30 210.68
12-31 169.92

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index