Overview Realtime Historical Map View
Red Flag Warning
2026-09-03T21:00:00-06:00

* IMPACTS: Low Humidities...Unseasonably Warm Temperatures...and Strong Gusty Winds could cause erratic fire behavior. * AFFECTED AREA: In Central WY Fire Zones...280...283...285...288...289...300. In North Central WY Fire Zones...275...276...281...282...287. In Northwest WY Fire Zone....286. In Southwest WY Fire Zones...277...279. In West Central WY Fire Zone....278. * COUNTIES AFFECTED: In Central WY...Fremont...Natrona. In North Central WY...Big Horn...Hot Springs...Johnson...Park Washakie. In Southwest WY...Sweetwater...Uinta. In West Central WY...Lincoln...Sublette. * WIND: Southwest 15 to 25 mph with gusts up to 35 mph. * HUMIDITY: As low as 10 to 15 percent. * TEMPERATURES: Highs in the 70s west of the Divide and the mountains, in the 80s to near 90 in the lower basins east of the Divide.

Powder River At Sussex, Wy Historical Data

Historical Data


Streamflow Range


Date Average 2018 2017 2016 2015 2014 2013 2012 2011
02-08 238.0
02-09 191.0
02-10 181.0
02-11 174.0
02-12 179.0
02-13 162.0
02-14 138.0
02-15 131.0
02-16 129.0
02-17 135.0
02-18 111.0
02-19 105.0
02-20 111.0
02-21 131.0
02-22 223.0
02-23 170.0
02-24 180.0
02-25 184.0
02-26 129.0
02-27 100.0
02-28 103.0
03-01 101.0
03-02 127.0
03-04 216.0
03-05 157.0
03-06 170.5
03-07 475.67
03-08 453.33
03-09 457.5
03-10 360.25
03-11 344.5
03-12 278.6
03-13 248.4
03-14 241.17
03-15 226.0
03-16 215.5
03-17 203.83
03-18 191.33
03-19 180.0
03-20 183.17
03-21 167.29
03-22 163.57
03-23 164.86
03-24 172.67
03-25 181.5
03-26 181.67
03-27 176.0
03-28 179.14
03-29 184.57
03-30 191.5
03-31 186.5
04-01 195.33
04-02 240.83
04-03 225.71
04-04 275.33
04-05 240.43
04-06 205.0
04-07 191.71
04-08 183.14
04-09 179.43
04-10 181.29
04-11 178.57
04-12 190.29
04-13 201.57
04-14 213.43
04-15 225.33
04-16 221.0
04-17 226.17
04-18 217.83
04-19 222.33
04-20 232.17
04-21 225.86
04-22 289.43
04-23 287.57
04-24 277.86
04-25 674.17
04-26 476.29
04-27 495.43
04-28 568.57
04-29 542.0
04-30 560.57
05-01 543.75
05-02 339.43
05-03 285.43
05-04 335.13
05-05 355.38
05-06 384.75
05-07 410.75
05-08 466.29
05-09 576.75
05-10 523.43
05-11 545.63
05-12 495.63
05-13 451.25
05-14 337.71
05-15 426.63
05-16 442.5
05-17 619.88
05-18 560.75
05-19 558.5
05-20 730.75
05-21 804.5
05-22 704.75
05-23 727.75
05-24 830.88
05-25 2561.0
05-26 1836.13
05-27 1020.13
05-28 950.63
05-29 795.75
05-30 1082.5
05-31 1057.25
06-01 705.0
06-02 632.88
06-03 628.38
06-04 758.0
06-05 1011.38
06-06 571.25
06-07 576.88
06-08 565.13
06-09 519.88
06-10 527.38
06-11 476.13
06-12 367.29
06-13 326.29
06-14 429.71
06-15 395.14
06-16 367.88
06-17 338.15
06-18 333.75
06-19 335.0
06-20 347.5
06-21 373.17
06-22 332.33
06-23 301.67
06-24 280.83
06-25 450.67
06-26 244.14
06-27 258.86
06-28 231.14
06-29 229.86
06-30 198.14
07-01 177.0
07-02 167.0
07-03 165.0
07-04 187.67
07-05 159.71
07-06 151.93
07-07 307.9
07-08 166.13
07-09 143.35
07-10 116.39
07-11 105.4
07-12 77.4
07-13 110.74
07-14 120.13
07-15 82.57
07-16 75.84
07-17 126.46
07-18 104.29
07-19 75.99
07-20 65.71
07-21 59.49
07-22 53.25
07-23 48.4
07-24 49.75
07-25 49.0
07-26 40.74
07-27 38.59
07-28 39.13
07-29 38.29
07-30 30.23
07-31 53.77
08-01 42.77
08-02 43.33
08-03 32.2
08-04 36.94
08-05 32.57
08-06 33.0
08-07 649.83
08-08 200.82
08-09 106.9
08-10 103.68
08-11 205.97
08-12 53.86
08-13 53.57
08-14 39.34
08-15 37.67
08-16 36.67
08-17 35.3
08-18 26.07
08-19 22.25
08-20 21.3
08-21 27.78
08-22 30.75
08-23 32.18
08-24 43.28
08-25 47.22
08-26 41.3
08-27 32.12
08-28 29.47
08-29 37.73
08-30 28.1
08-31 27.46
09-01 26.62
09-02 28.29
09-03 27.65
09-04 24.79
09-05 26.43
09-06 25.44
09-07 30.34
09-08 33.29
09-09 32.29
09-10 31.43
09-11 30.71
09-12 31.07
09-13 33.91
09-14 38.63
09-15 39.06
09-16 50.03
09-17 53.39
09-18 57.64
09-19 48.79
09-20 46.8
09-21 45.31
09-22 49.82
09-23 47.8
09-24 64.66
09-25 150.0
09-26 112.43
09-27 78.29
09-28 82.71
09-29 94.0
09-30 88.0
10-01 79.14
10-02 76.29
10-03 124.86
10-04 120.29
10-05 268.57
10-06 148.86
10-07 157.43
10-08 330.71
10-09 348.0
10-10 233.0
10-11 160.86
10-12 139.14
10-13 139.86
10-14 126.86
10-15 134.57
10-16 127.43
10-17 121.14
10-18 118.14
10-19 124.43
10-20 118.0
10-21 115.14
10-22 114.86
10-23 119.14
10-24 114.04
10-25 106.71
10-26 108.43
10-27 108.16
10-28 113.43
10-29 119.14
10-30 122.14
10-31 120.86
11-01 120.86
11-02 124.0
11-03 123.43
11-04 121.43
11-05 122.86
11-06 117.29
11-07 123.0
11-08 119.5
11-09 118.8
11-10 129.25
11-11 127.75
11-12 131.2
11-13 135.8
11-14 132.0
11-15 134.0
11-16 131.75
11-17 127.75
11-18 137.33
11-19 136.0
11-20 131.0
11-21 141.0
11-22 137.5
11-23 164.5
11-26 142.0
11-27 138.0
11-28 138.0
11-29 140.0
11-30 131.0
12-01 119.0
12-02 117.0
12-03 127.0
12-04 135.0
12-05 129.0
12-06 103.0
12-07 84.9
12-08 131.0
12-09 142.0
12-10 168.0
12-11 138.0
12-12 147.0
12-13 288.0
12-14 617.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index