Overview Realtime Historical Map View
Flood Watch
2026-07-17T00:00:00-06:00

* WHAT...Flash flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of central and northwest Wyoming, including the following areas, in central Wyoming, Owl Creek and Bridger Mountains and Southwest Bighorn Basin. In northwest Wyoming, Absaroka Mountains and Cody Foothills. * WHEN...Through this evening. * IMPACTS...Excessive runoff may result in flooding of rivers, creeks, streams, and other low-lying and flood-prone locations. * ADDITIONAL DETAILS... - Slow moving showers and thunderstorms could produce an inch or more of rain over a short period of time, bringing local flash flooding. - http://www.weather.gov/safety/flood

North Fork Shoshone River At Wapiti, Wy Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 767.67
01-02 1089.0
01-03 802.67
01-04 462.8
01-05 228.8
01-06 198.8
01-07 186.4
01-08 200.67
01-09 742.67
01-10 184.33
01-11 200.43
01-12 207.8
01-13 890.8
01-14 196.83
01-15 212.33
01-16 177.8
01-17 171.6
01-18 167.17
01-19 177.86
01-20 162.25
01-21 164.0
01-22 165.75
01-23 156.13
01-24 158.63
01-25 151.63
01-26 159.0
01-27 183.38
01-28 170.6
01-29 173.8
01-30 166.0
01-31 162.5
02-01 157.5
02-02 160.56
02-03 167.1
02-04 163.1
02-05 159.88
02-06 173.89
02-07 168.9
02-08 169.6
02-09 170.5
02-10 172.22
02-11 430.56
02-12 200.11
02-13 180.75
02-14 175.13
02-15 171.88
02-16 173.38
02-17 163.43
02-18 167.0
02-19 160.57
02-20 171.43
02-21 162.14
02-22 167.57
02-23 154.74
02-24 144.0
02-25 179.43
02-26 170.88
02-27 166.22
02-28 160.56
02-29 163.0
03-01 168.25
03-02 171.11
03-03 168.0
03-04 171.4
03-05 180.5
03-06 186.1
03-07 201.8
03-08 191.73
03-09 191.0
03-10 199.25
03-11 222.24
03-12 221.09
03-13 230.09
03-14 250.27
03-15 254.09
03-16 291.36
03-17 281.09
03-18 285.18
03-19 400.33
03-20 507.18
03-21 509.27
03-22 500.45
03-23 466.75
03-24 457.17
03-25 455.25
03-26 496.08
03-27 475.58
03-28 472.62
03-29 494.38
03-30 463.62
03-31 479.75
04-01 495.62
04-02 480.62
04-03 483.54
04-04 507.85
04-05 527.77
04-06 499.31
04-07 453.5
04-08 496.0
04-09 555.43
04-10 622.13
04-11 630.73
04-12 738.36
04-13 706.36
04-14 678.36
04-15 599.62
04-16 577.38
04-17 608.38
04-18 575.23
04-19 631.38
04-20 687.38
04-21 844.86
04-22 1024.64
04-23 1207.14
04-24 1070.79
04-25 1125.38
04-26 1170.29
04-27 1285.0
04-28 1262.14
04-29 1310.71
04-30 1383.14
05-01 1363.53
05-02 1428.57
05-03 1521.86
05-04 1659.27
05-05 1767.07
05-06 1987.33
05-07 2111.33
05-08 2059.64
05-09 2306.67
05-10 2042.36
05-11 2338.13
05-12 2315.67
05-13 2365.5
05-14 2318.46
05-15 2574.29
05-16 2837.86
05-17 3060.71
05-18 3020.67
05-19 2947.86
05-20 2817.69
05-21 2535.0
05-22 2615.71
05-23 2774.29
05-24 3074.67
05-25 3156.0
05-26 2882.86
05-27 2945.71
05-28 3473.33
05-29 3234.29
05-30 3420.71
05-31 3772.0
06-01 3903.33
06-02 4148.67
06-03 4130.0
06-04 4398.0
06-05 4566.43
06-06 4669.29
06-07 5016.43
06-08 4996.67
06-09 4994.67
06-10 4912.0
06-11 4757.14
06-12 4576.43
06-13 4627.14
06-14 4436.15
06-15 4295.0
06-16 3832.87
06-17 3789.0
06-18 3874.29
06-19 4228.33
06-20 4250.0
06-21 3936.15
06-22 4180.77
06-23 4083.85
06-24 3974.29
06-25 3800.0
06-26 3846.43
06-27 3846.43
06-28 3798.57
06-29 3887.86
06-30 3785.0
07-01 3502.86
07-02 3403.57
07-03 3405.71
07-04 3396.43
07-05 3143.33
07-06 3128.67
07-07 3167.86
07-08 3024.29
07-09 2920.71
07-10 2587.67
07-11 2580.07
07-12 2518.93
07-13 2248.43
07-14 2284.79
07-15 2137.85
07-16 2089.38
07-17 1822.18
07-18 1821.17
07-19 1791.92
07-20 1652.69
07-21 1522.42
07-22 1464.09
07-23 1376.29
07-24 1285.64
07-25 1219.93
07-26 1163.43
07-27 1143.79
07-28 1071.57
07-29 1053.36
07-30 999.23
07-31 885.14
08-01 886.08
08-02 844.77
08-03 872.43
08-04 803.86
08-05 769.71
08-06 764.29
08-07 780.79
08-08 713.69
08-09 692.23
08-10 647.46
08-11 600.69
08-12 574.0
08-13 536.77
08-14 562.0
08-15 542.25
08-16 502.91
08-17 470.73
08-18 465.7
08-19 472.36
08-20 447.82
08-21 465.91
08-22 456.73
08-23 438.62
08-24 447.42
08-25 663.33
08-26 483.54
08-27 415.77
08-28 443.23
08-29 396.43
08-30 382.0
08-31 392.83
09-01 393.69
09-02 378.92
09-03 357.85
09-04 351.86
09-05 351.43
09-06 349.5
09-07 341.93
09-08 329.5
09-09 344.86
09-10 343.5
09-11 328.93
09-12 360.57
09-13 334.79
09-14 319.15
09-15 411.15
09-16 340.23
09-17 349.62
09-18 316.69
09-19 335.0
09-20 353.07
09-21 410.57
09-22 421.54
09-23 430.57
09-24 392.93
09-25 356.14
09-26 346.29
09-27 354.29
09-28 380.21
09-29 390.79
09-30 403.77
10-01 427.42
10-02 389.77
10-03 423.38
10-04 454.77
10-05 436.21
10-06 403.71
10-07 395.57
10-08 365.07
10-09 368.29
10-10 357.14
10-11 348.07
10-12 377.21
10-13 388.21
10-14 370.79
10-15 367.38
10-16 419.62
10-17 454.77
10-18 402.07
10-19 382.0
10-20 393.36
10-21 371.77
10-22 355.43
10-23 359.07
10-24 347.86
10-25 348.93
10-26 353.86
10-27 355.86
10-28 345.0
10-29 351.92
10-30 399.46
10-31 369.46
11-01 386.0
11-02 374.25
11-03 372.0
11-04 371.5
11-05 352.64
11-06 363.38
11-07 354.62
11-08 333.54
11-09 324.46
11-10 318.38
11-11 301.08
11-12 276.62
11-13 271.38
11-14 299.31
11-15 290.67
11-16 296.69
11-17 308.08
11-18 300.64
11-19 286.27
11-20 296.82
11-21 289.75
11-22 270.0
11-23 324.82
11-24 256.2
11-25 249.6
11-26 301.09
11-27 295.7
11-28 321.3
11-29 1093.36
11-30 268.91
12-01 266.58
12-02 260.42
12-03 279.82
12-04 439.36
12-05 268.8
12-06 249.78
12-07 228.9
12-08 255.11
12-09 254.0
12-10 259.33
12-11 235.33
12-12 242.9
12-13 233.4
12-14 224.78
12-15 230.13
12-16 232.63
12-17 216.63
12-18 212.56
12-19 201.94
12-20 232.86
12-21 229.25
12-22 214.67
12-23 234.44
12-24 184.71
12-25 196.75
12-26 1378.5
12-27 165.14
12-28 656.14
12-29 865.0
12-30 797.33
12-31 801.17

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index