Special Weather Statement
None

Rounds of precipitation are expected to move across portions of WY starting Monday afternoon through Tuesday evening. Colder temperatures should support wet snowfall across the higher elevations mainly above 9,000 ft. * WHAT...Periods of light to moderate wet snowfall with total snow accumulations of a coating to 3 inches. The highest elevations above 10,000 ft may see accumulations of 3 to 6 inches. * WHERE...Elevations mainly above 9,000 ft across the Teton, Gros Ventre, and Absaroka Ranges. * WHEN...Monday afternoon through Tuesday evening. * ADDITIONAL DETAILS...Travel may be difficult in the backcountry and especially at higher elevations. Plan accordingly if headed into the backcountry for any outdoor activities. For graphical depictions of the snowfall forecast, including the official NWS forecast, high end amounts, and low end amounts, visit https://weather.gov/riw/winter.

South Fork Shoshone River Near Valley, Wy Historical Data

Historical Data


Streamflow Range


Date Average 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 91.56
01-02 93.54
01-03 97.86
01-04 99.66
01-05 101.04
01-06 107.73
01-07 104.36
01-08 107.86
01-09 97.5
01-10 104.94
01-11 104.02
01-12 102.53
01-13 99.97
01-14 100.83
01-15 106.2
01-16 106.99
01-17 106.84
01-18 106.51
01-19 110.62
01-20 100.08
01-21 101.09
01-22 100.19
01-23 101.41
01-24 97.92
01-25 98.37
01-26 96.9
01-27 101.35
01-28 101.59
01-29 96.95
01-30 93.66
01-31 93.22
02-01 94.94
02-02 93.08
02-03 97.35
02-04 92.75
02-05 87.73
02-06 88.47
02-07 84.69
02-08 93.07
02-09 92.28
02-10 94.09
02-11 91.58
02-12 91.7
02-13 91.0
02-14 91.89
02-15 92.77
02-16 94.92
02-17 90.47
02-18 92.3
02-19 88.55
02-20 90.9
02-21 86.03
02-22 87.72
02-23 84.61
02-24 89.03
02-25 90.3
02-26 88.04
02-27 83.99
02-28 86.47
02-29 84.05
03-01 84.89
03-02 85.32
03-03 89.18
03-04 87.99
03-05 90.53
03-06 95.97
03-07 99.11
03-08 95.02
03-09 94.94
03-10 95.22
03-11 101.44
03-12 101.26
03-13 98.17
03-14 100.64
03-15 104.1
03-16 108.92
03-17 106.19
03-18 106.1
03-19 123.81
03-20 134.24
03-21 129.06
03-22 135.31
03-23 141.13
03-24 138.6
03-25 143.4
03-26 132.2
03-27 132.22
03-28 140.01
03-29 148.46
03-30 142.15
03-31 157.14
04-01 173.59
04-02 164.35
04-03 165.61
04-04 169.58
04-05 185.12
04-06 168.13
04-07 159.79
04-08 170.98
04-09 181.5
04-10 215.5
04-11 199.45
04-12 213.09
04-13 223.0
04-14 217.18
04-15 191.1
04-16 192.17
04-17 197.0
04-18 208.28
04-19 205.9
04-20 235.6
04-21 299.73
04-22 363.18
04-23 420.0
04-24 360.18
04-25 365.3
04-26 373.27
04-27 388.36
04-28 392.09
04-29 406.36
04-30 455.64
05-01 435.5
05-02 439.64
05-03 447.09
05-04 481.25
05-05 523.17
05-06 634.58
05-07 742.17
05-08 704.55
05-09 739.25
05-10 651.45
05-11 682.75
05-12 701.18
05-13 706.64
05-14 658.9
05-15 713.55
05-16 976.0
05-17 1003.58
05-18 1004.83
05-19 923.17
05-20 880.75
05-21 866.67
05-22 915.25
05-23 952.0
05-24 1028.58
05-25 1105.33
05-26 1072.18
05-27 1226.75
05-28 1441.25
05-29 1084.0
05-30 1264.64
05-31 1500.5
06-01 1745.25
06-02 1762.33
06-03 1769.5
06-04 1754.08
06-05 2056.0
06-06 2598.0
06-07 2215.56
06-08 1961.82
06-09 2233.27
06-10 2213.91
06-11 2022.0
06-12 1870.9
06-13 2136.0
06-14 2041.0
06-15 2027.5
06-16 1953.33
06-17 2316.67
06-18 2230.0
06-19 2134.55
06-20 2173.64
06-21 1925.0
06-22 2109.09
06-23 2104.36
06-24 2234.0
06-25 2228.55
06-26 2224.82
06-27 2186.1
06-28 2087.0
06-29 2252.73
06-30 2333.64
07-01 2046.91
07-02 1865.45
07-03 1974.45
07-04 2120.45
07-05 1915.75
07-06 1954.42
07-07 1984.36
07-08 2210.09
07-09 1859.18
07-10 1572.08
07-11 1545.25
07-12 1501.73
07-13 1386.09
07-14 1346.25
07-15 1336.92
07-16 1321.83
07-17 1216.08
07-18 1156.0
07-19 1202.5
07-20 1142.5
07-21 1005.92
07-22 977.36
07-23 979.73
07-24 850.17
07-25 794.75
07-26 719.42
07-27 712.67
07-28 666.33
07-29 661.75
07-30 687.73
07-31 581.17
08-01 574.8
08-02 548.18
08-03 542.83
08-04 529.75
08-05 516.58
08-06 500.17
08-07 559.25
08-08 447.9
08-09 459.0
08-10 396.4
08-11 361.82
08-12 348.64
08-13 346.45
08-14 375.83
08-15 379.08
08-16 359.64
08-17 335.27
08-18 328.8
08-19 326.55
08-20 322.82
08-21 313.0
08-22 364.3
08-23 311.75
08-24 324.82
08-25 304.55
08-26 284.08
08-27 273.25
08-28 281.67
08-29 261.83
08-30 253.5
08-31 276.91
09-01 253.92
09-02 232.92
09-03 222.58
09-04 213.5
09-05 214.0
09-06 204.83
09-07 251.75
09-08 212.67
09-09 223.5
09-10 212.67
09-11 211.75
09-12 217.5
09-13 209.92
09-14 196.58
09-15 226.67
09-16 252.33
09-17 219.5
09-18 255.25
09-19 230.83
09-20 226.33
09-21 244.92
09-22 243.55
09-23 239.42
09-24 225.25
09-25 217.25
09-26 238.42
09-27 259.75
09-28 258.33
09-29 271.42
09-30 262.5
10-01 322.9
10-02 281.82
10-03 279.9
10-04 264.2
10-05 238.09
10-06 274.82
10-07 292.2
10-08 260.45
10-09 242.82
10-10 232.55
10-11 220.27
10-12 222.45
10-13 216.27
10-14 215.82
10-15 216.27
10-16 216.1
10-17 223.82
10-18 213.36
10-19 207.82
10-20 209.36
10-21 205.2
10-22 199.18
10-23 200.3
10-24 194.4
10-25 195.78
10-26 195.67
10-27 183.18
10-28 182.27
10-29 180.44
10-30 188.82
10-31 180.82
11-01 191.18
11-02 188.0
11-03 183.91
11-04 181.2
11-05 177.3
11-06 167.0
11-07 161.6
11-08 167.0
11-09 156.2
11-10 153.5
11-11 148.5
11-12 152.0
11-13 147.13
11-14 141.5
11-15 142.27
11-16 141.9
11-17 144.3
11-18 131.95
11-19 126.98
11-20 133.0
11-21 132.45
11-22 136.0
11-23 142.11
11-24 128.0
11-25 123.96
11-26 131.1
11-27 123.91
11-28 126.24
11-29 118.68
11-30 115.25
12-01 114.97
12-02 112.44
12-03 111.9
12-04 111.3
12-05 106.89
12-06 103.77
12-07 101.41
12-08 110.61
12-09 111.2
12-10 112.26
12-11 115.07
12-12 112.84
12-13 111.41
12-14 103.44
12-15 106.88
12-16 101.29
12-17 105.46
12-18 110.02
12-19 110.58
12-20 113.94
12-21 109.97
12-22 109.53
12-23 111.52
12-24 113.76
12-25 112.66
12-26 109.64
12-27 102.29
12-28 90.29
12-29 90.56
12-30 84.96
12-31 87.93

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index