Overview Realtime Historical Map View
Flood Watch
2026-08-16T12:00:00-04:00

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of western Maryland, including the following areas, Central and Eastern Allegany and Extreme Western Allegany and eastern West Virginia, including the following areas, Eastern Grant, Eastern Mineral, Eastern Pendleton, Hampshire, Hardy, Western Grant, Western Mineral and Western Pendleton. * WHEN...Until noon EDT today. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Creeks and streams may rise out of their banks. Low-water crossings may be flooded. * ADDITIONAL DETAILS... - Multiple rounds of showers and thunderstorms are expected. Around an inch of rain is expected, with localized totals of 2 to 4 inches possible where heavier thunderstorms move through. Given saturated soils after recent rainfall, some instances of flash flooding may occur. - Please visit www.weather.gov/safety/flood for flood safety and preparedness information.

Patterson Creek Near Headsville, Wv Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 220.15
01-02 275.06
01-03 240.69
01-04 214.88
01-05 183.52
01-06 171.02
01-07 151.9
01-08 147.03
01-09 145.91
01-10 220.28
01-11 207.86
01-12 226.3
01-13 319.72
01-14 260.56
01-15 218.35
01-16 210.48
01-17 239.13
01-18 201.06
01-19 196.23
01-20 214.13
01-21 260.79
01-22 181.99
01-23 145.31
01-24 161.44
01-25 232.41
01-26 293.39
01-27 259.9
01-28 261.85
01-29 328.54
01-30 241.82
01-31 268.63
02-01 279.79
02-02 280.7
02-03 237.09
02-04 343.69
02-05 321.52
02-06 362.34
02-07 310.05
02-08 312.45
02-09 270.44
02-10 236.18
02-11 210.46
02-12 224.64
02-13 300.27
02-14 313.58
02-15 255.22
02-16 235.11
02-17 285.34
02-18 267.62
02-19 264.59
02-20 335.82
02-21 349.71
02-22 417.49
02-23 381.39
02-24 383.43
02-25 494.57
02-26 423.48
02-27 381.14
02-28 369.72
02-29 213.9
03-01 1799.37
03-02 501.59
03-03 417.25
03-04 421.98
03-05 363.1
03-06 344.14
03-07 299.97
03-08 271.64
03-09 254.57
03-10 382.45
03-11 351.39
03-12 315.7
03-13 277.24
03-14 270.36
03-15 260.06
03-16 233.25
03-17 207.01
03-18 185.04
03-19 183.46
03-20 191.45
03-21 204.09
03-22 201.71
03-23 178.85
03-24 167.31
03-25 213.55
03-26 238.49
03-27 212.99
03-28 209.43
03-29 217.86
03-30 204.08
03-31 206.71
04-01 226.39
04-02 230.11
04-03 287.43
04-04 362.58
04-05 250.56
04-06 220.17
04-07 239.65
04-08 257.61
04-09 224.64
04-10 213.0
04-11 196.7
04-12 197.01
04-13 205.29
04-14 221.35
04-15 222.14
04-16 204.62
04-17 256.37
04-18 209.66
04-19 184.99
04-20 234.65
04-21 239.76
04-22 195.64
04-23 174.14
04-24 158.24
04-25 162.02
04-26 173.26
04-27 197.91
04-28 190.14
04-29 180.01
04-30 194.52
05-01 335.15
05-02 276.21
05-03 235.89
05-04 250.36
05-05 237.98
05-06 346.73
05-07 354.41
05-08 366.69
05-09 352.55
05-10 333.61
05-11 265.89
05-12 277.61
05-13 272.22
05-14 735.35
05-15 314.16
05-16 295.27
05-17 404.49
05-18 520.04
05-19 647.69
05-20 479.26
05-21 342.05
05-22 320.61
05-23 329.29
05-24 292.61
05-25 249.35
05-26 266.04
05-27 227.79
05-28 350.74
05-29 322.68
05-30 245.27
05-31 322.03
06-01 255.21
06-02 178.92
06-03 351.6
06-04 233.57
06-05 179.2
06-06 159.57
06-07 159.35
06-08 127.79
06-09 130.35
06-10 117.91
06-11 130.15
06-12 131.74
06-13 180.21
06-14 175.3
06-15 164.66
06-16 134.72
06-17 126.28
06-18 147.66
06-19 121.16
06-20 113.18
06-21 126.74
06-22 109.94
06-23 127.06
06-24 107.54
06-25 93.46
06-26 76.03
06-27 67.79
06-28 153.51
06-29 123.9
06-30 105.88
07-01 99.51
07-02 119.12
07-03 95.83
07-04 80.39
07-05 72.54
07-06 70.38
07-07 53.54
07-08 87.98
07-09 68.04
07-10 61.56
07-11 51.35
07-12 60.02
07-13 50.11
07-14 47.21
07-15 43.23
07-16 53.4
07-17 42.07
07-18 38.56
07-19 44.55
07-20 50.23
07-21 45.87
07-22 49.63
07-23 65.46
07-24 43.51
07-25 40.89
07-26 39.71
07-27 32.62
07-28 33.77
07-29 49.9
07-30 59.63
07-31 60.3
08-01 60.57
08-02 57.38
08-03 86.1
08-04 53.88
08-05 42.84
08-06 39.75
08-07 36.72
08-08 37.67
08-09 35.49
08-10 33.23
08-11 32.59
08-12 64.61
08-13 56.6
08-14 67.1
08-15 41.47
08-16 31.55
08-17 27.97
08-18 30.59
08-19 32.42
08-20 29.97
08-21 28.96
08-22 53.46
08-23 36.36
08-24 35.93
08-25 52.15
08-26 31.35
08-27 26.31
08-28 23.43
08-29 24.6
08-30 28.6
08-31 24.43
09-01 23.01
09-02 134.2
09-03 59.12
09-04 46.24
09-05 40.2
09-06 39.25
09-07 110.25
09-08 112.25
09-09 77.46
09-10 195.9
09-11 144.36
09-12 103.98
09-13 73.81
09-14 57.66
09-15 46.16
09-16 44.15
09-17 34.71
09-18 77.54
09-19 84.21
09-20 59.59
09-21 47.94
09-22 41.66
09-23 42.7
09-24 52.88
09-25 67.15
09-26 150.83
09-27 88.02
09-28 379.97
09-29 191.51
09-30 146.07
10-01 58.09
10-02 57.35
10-03 70.12
10-04 79.43
10-05 87.1
10-06 68.77
10-07 56.1
10-08 51.3
10-09 55.39
10-10 50.87
10-11 43.3
10-12 57.29
10-13 51.11
10-14 53.01
10-15 81.48
10-16 70.67
10-17 59.91
10-18 50.08
10-19 41.99
10-20 39.59
10-21 36.54
10-22 32.76
10-23 30.88
10-24 29.14
10-25 27.94
10-26 26.69
10-27 26.35
10-28 30.74
10-29 31.68
10-30 119.09
10-31 169.51
11-01 135.03
11-02 110.7
11-03 97.15
11-04 87.13
11-05 74.12
11-06 86.97
11-07 76.12
11-08 77.56
11-09 66.97
11-10 163.52
11-11 97.28
11-12 99.67
11-13 98.01
11-14 103.15
11-15 77.84
11-16 82.46
11-17 89.53
11-18 123.42
11-19 105.59
11-20 104.4
11-21 102.14
11-22 130.76
11-23 149.96
11-24 156.67
11-25 165.11
11-26 129.49
11-27 117.92
11-28 108.55
11-29 91.61
11-30 89.39
12-01 89.26
12-02 92.99
12-03 106.28
12-04 94.41
12-05 84.76
12-06 77.91
12-07 119.5
12-08 290.91
12-09 175.67
12-10 143.37
12-11 130.79
12-12 118.83
12-13 103.6
12-14 94.78
12-15 105.87
12-16 558.98
12-17 330.34
12-18 247.38
12-19 173.6
12-20 155.94
12-21 175.2
12-22 196.89
12-23 203.58
12-24 190.18
12-25 187.14
12-26 177.7
12-27 188.14
12-28 184.52
12-29 209.53
12-30 330.15
12-31 237.41

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index