Overview Realtime Historical Map View
Flood Watch
2026-07-22T19:00:00-04:00

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of North Carolina, including the following areas, Alleghany NC, Ashe, Caswell, Rockingham, Stokes, Surry, Watauga, Wilkes and Yadkin and Virginia, including the following areas, Amherst, Appomattox, Bedford, Bland, Botetourt, Buckingham, Campbell, Carroll, Charlotte, Craig, Floyd, Franklin, Giles, Grayson, Halifax, Henry, Montgomery, Patrick, Pittsylvania, Pulaski, Roanoke, Smyth, Tazewell and Wythe. * WHEN...Until 7 PM EDT this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. Flooding may occur in poor drainage and urban areas. * ADDITIONAL DETAILS... - A slow moving front will focus a west to east moving area of showers and thunderstorms this afternoon. High levels of moisture in place could lead to one hour rainfall rates of 2 inches or more an hours. This could lead to flash flooding. - 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
07-23 261.86
07-24 295.29
07-25 281.79
07-26 269.0
07-27 273.36
07-28 327.0
07-29 260.71
07-30 256.57
07-31 241.64
08-01 252.33
08-02 260.43
08-03 278.71
08-04 276.86
08-05 285.29
08-06 218.54
08-07 316.54
08-08 258.17
08-09 246.17
08-10 253.15
08-11 250.29
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