Overview Realtime Historical Map View
Red Flag Warning
2026-10-05T18:00:00-06:00

...RED FLAG WARNING REMAINS IN EFFECT FROM NOON TO 6 PM MDT MONDAY DUE TO WIND AND LOW RELATIVE HUMIDITY FOR A PORTION OF WY... * AFFECTED AREA...Portions of southeast Wyoming. * TIMING...From noon to 6 PM MDT Monday. * WINDS...West winds 10 to 20 mph with gusts up to 35 mph. * RELATIVE HUMIDITY...Relative Humidity between 10 to 15 percent. * IMPACTS...Any fires that develop will spread rapidly. Outdoor burning is not recommended.

North Platte River Below Whalen Diversion Dam, 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 10.36
01-02 15.72
01-03 12.98
01-04 12.12
01-05 11.54
01-06 10.37
01-07 11.88
01-08 11.9
01-09 11.73
01-10 11.07
01-11 10.11
01-12 11.72
01-13 10.5
01-14 10.26
01-15 9.35
01-16 10.19
01-17 10.24
01-18 10.17
01-19 12.1
01-20 10.1
01-21 9.88
01-22 10.37
01-23 10.17
01-24 11.24
01-25 11.04
01-26 10.49
01-27 10.97
01-28 10.78
01-29 9.59
01-30 11.16
01-31 10.39
02-01 10.28
02-02 9.45
02-03 10.15
02-04 12.76
02-05 11.9
02-06 10.18
02-07 11.14
02-08 12.12
02-09 9.82
02-10 10.83
02-11 8.51
02-12 8.67
02-13 8.1
02-14 7.97
02-15 9.59
02-16 9.51
02-17 9.78
02-18 8.74
02-19 9.64
02-20 9.5
02-21 9.96
02-22 8.46
02-23 9.27
02-24 10.22
02-25 9.31
02-26 7.24
02-27 8.29
02-28 7.92
02-29 11.43
03-01 8.97
03-02 8.69
03-03 8.12
03-04 9.5
03-05 8.12
03-06 8.26
03-07 7.53
03-08 8.03
03-09 7.9
03-10 8.01
03-11 7.96
03-12 7.91
03-13 7.57
03-14 9.38
03-15 9.04
03-16 8.66
03-17 7.74
03-18 6.65
03-19 6.14
03-20 6.51
03-21 6.12
03-22 5.82
03-23 9.81
03-24 9.85
03-25 9.6
03-26 10.33
03-27 10.55
03-28 42.18
03-29 43.19
03-30 44.18
03-31 45.26
04-01 45.48
04-02 105.79
04-03 106.21
04-04 106.62
04-05 107.96
04-06 108.41
04-07 110.48
04-08 109.91
04-09 113.27
04-10 108.21
04-11 106.75
04-12 115.73
04-13 114.78
04-14 187.65
04-15 218.45
04-16 273.51
04-17 273.6
04-18 276.75
04-19 464.15
04-20 489.35
04-21 436.63
04-22 438.63
04-23 453.76
04-24 449.85
04-25 495.49
04-26 400.07
04-27 395.57
04-28 419.93
04-29 498.68
04-30 359.24
05-01 681.49
05-02 643.11
05-03 707.97
05-04 821.65
05-05 830.0
05-06 870.49
05-07 917.94
05-08 887.99
05-09 894.73
05-10 867.79
05-11 876.7
05-12 863.08
05-13 786.99
05-14 785.68
05-15 835.63
05-16 904.19
05-17 1118.96
05-18 1052.34
05-19 999.67
05-20 1067.7
05-21 1029.53
05-22 1457.84
05-23 1018.41
05-24 1053.3
05-25 1144.71
05-26 1252.83
05-27 1422.46
05-28 1430.71
05-29 1472.62
05-30 1512.14
05-31 1654.41
06-01 1530.54
06-02 1691.22
06-03 1738.46
06-04 1650.25
06-05 1734.11
06-06 1535.27
06-07 1639.55
06-08 1532.55
06-09 1556.08
06-10 1591.27
06-11 1580.05
06-12 1527.23
06-13 1536.72
06-14 1585.15
06-15 1620.41
06-16 1683.48
06-17 1636.79
06-18 1646.05
06-19 1478.0
06-20 1481.03
06-21 1475.86
06-22 1581.43
06-23 1667.57
06-24 1642.07
06-25 1624.14
06-26 1646.43
06-27 1697.63
06-28 1728.53
06-29 1764.43
06-30 1760.29
07-01 1709.73
07-02 1715.86
07-03 1726.07
07-04 1755.07
07-05 1965.4
07-06 1993.8
07-07 1840.5
07-08 1840.79
07-09 1820.93
07-10 1949.6
07-11 1930.07
07-12 2067.86
07-13 1931.79
07-14 1801.0
07-15 1798.87
07-16 1802.33
07-17 1781.8
07-18 1779.8
07-19 1768.2
07-20 1760.67
07-21 1759.2
07-22 1799.14
07-23 1756.0
07-24 1805.67
07-25 1806.2
07-26 1806.67
07-27 1805.2
07-28 1817.73
07-29 1796.0
07-30 1845.71
07-31 1793.33
08-01 1715.38
08-02 1793.57
08-03 1797.33
08-04 1818.0
08-05 1840.0
08-06 1809.33
08-07 1825.33
08-08 1858.46
08-09 1840.71
08-10 1862.86
08-11 1772.0
08-12 1788.67
08-13 1802.0
08-14 1795.33
08-15 1794.67
08-16 1682.86
08-17 1666.43
08-18 1678.46
08-19 1814.29
08-20 1808.57
08-21 1792.86
08-22 1764.62
08-23 1673.0
08-24 1677.86
08-25 1523.57
08-26 1455.53
08-27 1396.13
08-28 1385.8
08-29 1460.8
08-30 1454.73
08-31 1314.5
09-01 1349.67
09-02 1450.93
09-03 1492.06
09-04 1481.38
09-05 1455.25
09-06 1438.36
09-07 1362.81
09-08 1286.29
09-09 1259.29
09-10 1289.05
09-11 1238.95
09-12 1234.27
09-13 1196.77
09-14 1165.44
09-15 1199.75
09-16 1188.92
09-17 1313.05
09-18 1218.81
09-19 1166.49
09-20 1035.24
09-21 994.87
09-22 916.88
09-23 949.58
09-24 837.15
09-25 790.43
09-26 754.69
09-27 749.41
09-28 701.28
09-29 664.33
09-30 516.16
10-01 247.93
10-02 86.95
10-03 71.96
10-04 60.83
10-05 76.91
10-06 62.03
10-07 48.73
10-08 42.46
10-09 40.89
10-10 37.67
10-11 34.26
10-12 34.38
10-13 33.39
10-14 31.01
10-15 30.22
10-16 31.15
10-17 26.94
10-18 25.85
10-19 24.84
10-20 23.8
10-21 23.9
10-22 22.9
10-23 22.26
10-24 21.49
10-25 21.29
10-26 20.31
10-27 19.69
10-28 19.04
10-29 18.89
10-30 18.57
10-31 17.71
11-01 17.35
11-02 18.18
11-03 16.76
11-04 16.72
11-05 16.4
11-06 16.59
11-07 16.46
11-08 16.32
11-09 16.01
11-10 15.78
11-11 15.63
11-12 15.17
11-13 15.38
11-14 14.38
11-15 13.87
11-16 14.19
11-17 14.14
11-18 14.77
11-19 14.86
11-20 14.92
11-21 14.2
11-22 14.63
11-23 14.13
11-24 13.3
11-25 13.41
11-26 13.88
11-27 13.84
11-28 14.15
11-29 13.43
11-30 19.66
12-01 11.78
12-02 14.1
12-03 14.23
12-04 13.55
12-05 15.07
12-06 11.98
12-07 12.51
12-08 15.2
12-09 16.67
12-10 11.53
12-11 10.85
12-12 11.16
12-13 11.06
12-14 11.13
12-15 11.42
12-16 10.38
12-17 10.4
12-18 9.52
12-19 10.8
12-20 11.32
12-21 11.2
12-22 10.92
12-23 11.55
12-24 11.59
12-25 11.83
12-26 12.44
12-27 8.43
12-28 11.99
12-29 10.32
12-30 11.67
12-31 11.56

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index