Flood Watch
2026-08-13T08:00:00-04:00

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of northwest North Carolina, including the following areas, Alleghany NC, Ashe and Watauga, Virginia, including the following areas, Alleghany VA, Bath, Bland, Botetourt, Carroll, Craig, Floyd, Giles, Grayson, Montgomery, Pulaski, Roanoke, Rockbridge, Smyth, Tazewell and Wythe, and southeast West Virginia, including the following areas, Eastern Greenbrier, Mercer, Monroe, Summers and Western Greenbrier. * WHEN...Through Thursday morning. * 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. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - Repeated rounds of rain and thunderstorms may lead to flash flooding through midweek. - http://www.weather.gov/safety/flood

Little River At Graysontown, 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
01-01 417.5
01-02 413.25
01-03 422.42
01-04 446.17
01-05 407.73
01-06 395.91
01-07 372.36
01-08 370.9
01-09 353.3
01-10 881.18
01-11 481.82
01-12 523.17
01-13 481.0
01-14 440.67
01-15 395.08
01-16 719.55
01-17 518.25
01-18 488.92
01-19 397.5
01-20 358.13
01-21 394.46
01-22 377.91
01-23 334.9
01-24 350.83
01-25 462.5
01-26 467.3
01-27 448.82
01-28 486.0
01-29 505.2
01-30 415.73
01-31 1267.36
02-01 690.36
02-02 520.92
02-03 470.83
02-04 896.33
02-05 668.58
02-06 481.91
02-07 901.55
02-08 670.45
02-09 492.83
02-10 424.38
02-11 434.33
02-12 635.07
02-13 808.0
02-14 827.67
02-15 552.67
02-16 819.17
02-17 1012.27
02-18 630.27
02-19 544.58
02-20 600.23
02-21 579.46
02-22 826.77
02-23 662.92
02-24 892.08
02-25 906.17
02-26 617.17
02-27 518.31
02-28 514.08
02-29 488.0
03-01 468.64
03-02 506.29
03-03 498.71
03-04 512.93
03-05 483.29
03-06 555.0
03-07 479.93
03-08 448.21
03-09 439.93
03-10 489.71
03-11 447.07
03-12 425.86
03-13 472.07
03-14 439.0
03-15 505.29
03-16 477.29
03-17 525.29
03-18 446.79
03-19 418.8
03-20 426.21
03-21 423.27
03-22 397.71
03-23 381.07
03-24 421.33
03-25 494.6
03-26 523.4
03-27 469.2
03-28 460.4
03-29 498.67
03-30 437.73
03-31 406.64
04-01 510.4
04-02 478.47
04-03 408.93
04-04 421.67
04-05 414.33
04-06 449.0
04-07 426.0
04-08 489.07
04-09 415.57
04-10 403.07
04-11 385.73
04-12 405.57
04-13 1032.36
04-14 570.93
04-15 720.38
04-16 602.77
04-17 520.23
04-18 444.23
04-19 464.69
04-20 744.08
04-21 592.36
04-22 463.93
04-23 484.86
04-24 597.46
04-25 642.92
04-26 750.43
04-27 662.21
04-28 504.21
04-29 561.36
04-30 548.36
05-01 585.27
05-02 495.71
05-03 445.21
05-04 450.21
05-05 512.33
05-06 546.0
05-07 683.8
05-08 530.14
05-09 541.47
05-10 463.07
05-11 434.73
05-12 455.53
05-13 444.73
05-14 493.36
05-15 441.21
05-16 515.43
05-17 491.86
05-18 483.33
05-19 569.93
05-20 525.86
05-21 757.93
05-22 889.86
05-23 616.07
05-24 598.47
05-25 668.53
05-26 545.07
05-27 570.0
05-28 634.27
05-29 618.33
05-30 668.8
05-31 499.93
06-01 430.87
06-02 392.47
06-03 390.93
06-04 371.13
06-05 355.93
06-06 382.14
06-07 509.36
06-08 386.53
06-09 480.4
06-10 420.73
06-11 407.0
06-12 405.93
06-13 427.31
06-14 365.46
06-15 351.65
06-16 340.99
06-17 557.7
06-18 1151.88
06-19 497.79
06-20 405.71
06-21 479.07
06-22 378.99
06-23 442.42
06-24 366.14
06-25 331.21
06-26 307.62
06-27 306.54
06-28 296.64
06-29 289.35
06-30 278.73
07-01 294.89
07-02 327.85
07-03 485.06
07-04 482.72
07-05 578.11
07-06 438.17
07-07 390.07
07-08 339.21
07-09 309.24
07-10 327.73
07-11 358.33
07-12 330.87
07-13 293.57
07-14 332.13
07-15 348.27
07-16 329.36
07-17 280.4
07-18 251.63
07-19 267.86
07-20 270.65
07-21 249.47
07-22 249.87
07-23 292.27
07-24 297.27
07-25 275.8
07-26 262.07
07-27 264.8
07-28 313.67
07-29 253.27
07-30 249.67
07-31 233.07
08-01 240.42
08-02 249.73
08-03 293.8
08-04 272.47
08-05 340.93
08-06 238.36
08-07 311.21
08-08 258.62
08-09 243.46
08-10 248.43
08-11 246.4
08-12 264.21
08-13 289.0
08-14 295.86
08-15 289.21
08-16 351.23
08-17 241.46
08-18 242.83
08-19 312.38
08-20 270.38
08-21 248.54
08-22 273.42
08-23 231.71
08-24 212.15
08-25 250.38
08-26 209.14
08-27 188.14
08-28 186.5
08-29 216.86
08-30 196.14
08-31 200.0
09-01 249.86
09-02 241.79
09-03 224.07
09-04 196.96
09-05 188.29
09-06 238.79
09-07 394.86
09-08 235.0
09-09 212.29
09-10 224.03
09-11 226.89
09-12 215.76
09-13 214.76
09-14 235.71
09-15 195.09
09-16 192.82
09-17 376.18
09-18 434.54
09-19 320.41
09-20 235.91
09-21 215.39
09-22 252.18
09-23 384.81
09-24 314.31
09-25 251.21
09-26 289.21
09-27 274.43
09-28 431.36
09-29 330.29
09-30 1849.31
10-01 362.85
10-02 344.0
10-03 268.46
10-04 548.08
10-05 385.21
10-06 283.21
10-07 246.57
10-08 308.29
10-09 344.86
10-10 308.34
10-11 265.8
10-12 1269.03
10-13 393.5
10-14 297.64
10-15 293.08
10-16 341.24
10-17 264.96
10-18 247.39
10-19 231.75
10-20 245.0
10-21 260.69
10-22 213.62
10-23 206.88
10-24 451.57
10-25 234.12
10-26 235.96
10-27 207.31
10-28 270.07
10-29 436.64
10-30 557.14
10-31 347.79
11-01 345.5
11-02 301.0
11-03 281.43
11-04 269.86
11-05 290.07
11-06 260.62
11-07 270.92
11-08 250.62
11-09 239.62
11-10 298.38
11-11 648.77
11-12 937.8
11-13 616.65
11-14 379.46
11-15 318.49
11-16 496.24
11-17 328.17
11-18 301.42
11-19 276.73
11-20 265.2
11-21 301.77
11-22 283.23
11-23 280.64
11-24 315.46
11-25 392.38
11-26 287.29
11-27 401.07
11-28 327.31
11-29 284.93
11-30 436.29
12-01 393.14
12-02 480.21
12-03 426.43
12-04 341.36
12-05 331.93
12-06 352.54
12-07 367.36
12-08 618.23
12-09 382.71
12-10 383.07
12-11 425.57
12-12 345.93
12-13 313.57
12-14 284.92
12-15 450.62
12-16 491.0
12-17 481.23
12-18 434.77
12-19 383.38
12-20 355.17
12-21 381.17
12-22 513.77
12-23 460.38
12-24 581.92
12-25 575.54
12-26 457.62
12-27 424.0
12-28 468.25
12-29 669.36
12-30 610.33
12-31 467.42

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index