Overview Realtime Historical Map View
Extreme Heat Warning
2026-07-14T01:00:00-05:00

* WHAT...Dangerously hot conditions with heat index values around 100 to 110. High temperatures will range from around 100 to near 110 today and 95 to 105 on Monday. * WHERE...All of western and central North Dakota including the James River Valley. * WHEN...Until 1 AM CDT /midnight MDT/ Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Little Missouri River At Marmarth, Nd 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 67.0
01-02 41.3
01-03 29.8
01-04 34.6
01-05 48.6
03-01 186.0
03-02 165.0
03-10 65.0
03-11 53.6
03-12 44.8
03-13 44.8
03-14 37.6
03-15 3552.25
03-16 2938.05
03-17 1605.03
03-18 1277.77
03-19 898.38
03-20 913.87
03-21 418.82
03-22 340.1
03-23 311.92
03-24 283.18
03-25 253.75
03-26 220.38
03-27 2496.29
03-28 2068.65
03-29 1516.79
03-30 1842.95
03-31 1448.56
04-01 1106.75
04-02 823.94
04-03 665.13
04-04 519.93
04-05 394.54
04-06 341.62
04-07 449.07
04-08 500.59
04-09 356.42
04-10 330.31
04-11 412.13
04-12 627.47
04-13 730.97
04-14 846.18
04-15 1022.41
04-16 882.7
04-17 660.98
04-18 549.35
04-19 547.48
04-20 567.57
04-21 440.63
04-22 401.88
04-23 485.99
04-24 359.37
04-25 223.52
04-26 259.96
04-27 413.27
04-28 526.88
04-29 735.5
04-30 761.79
05-01 716.23
05-02 880.84
05-03 773.35
05-04 576.98
05-05 468.66
05-06 381.5
05-07 309.97
05-08 269.68
05-09 253.06
05-10 204.95
05-11 338.91
05-12 419.5
05-13 543.65
05-14 583.23
05-15 528.92
05-16 532.22
05-17 462.8
05-18 333.12
05-19 357.62
05-20 377.25
05-21 1402.97
05-22 2174.74
05-23 3004.04
05-24 3177.54
05-25 2578.23
05-26 2602.69
05-27 2031.5
05-28 1633.48
05-29 1195.13
05-30 785.61
05-31 1135.2
06-01 1066.28
06-02 904.45
06-03 774.42
06-04 767.94
06-05 717.39
06-06 656.22
06-07 630.92
06-08 449.16
06-09 385.16
06-10 304.35
06-11 341.34
06-12 304.12
06-13 292.27
06-14 305.34
06-15 279.04
06-16 296.69
06-17 468.68
06-18 316.4
06-19 279.18
06-20 247.18
06-21 286.17
06-22 396.73
06-23 456.09
06-24 437.37
06-25 433.58
06-26 420.35
06-27 331.13
06-28 496.88
06-29 383.39
06-30 305.04
07-01 334.74
07-02 343.21
07-03 317.23
07-04 370.31
07-05 312.05
07-06 274.23
07-07 247.75
07-08 248.34
07-09 268.07
07-10 273.54
07-11 204.38
07-12 193.79
07-13 119.4
07-14 151.76
07-15 123.96
07-16 111.5
07-17 104.8
07-18 100.75
07-19 97.24
07-20 96.33
07-21 114.6
07-22 160.41
07-23 103.2
07-24 98.74
07-25 167.8
07-26 193.43
07-27 159.98
07-28 140.45
07-29 135.18
07-30 129.73
07-31 108.65
08-01 76.83
08-02 99.4
08-03 84.47
08-04 110.38
08-05 272.78
08-06 283.04
08-07 279.51
08-08 164.97
08-09 165.06
08-10 135.17
08-11 165.08
08-12 140.78
08-13 115.65
08-14 97.6
08-15 90.43
08-16 67.0
08-17 89.32
08-18 80.97
08-19 94.39
08-20 86.97
08-21 92.51
08-22 76.04
08-23 97.86
08-24 277.06
08-25 322.73
08-26 190.1
08-27 149.37
08-28 162.47
08-29 176.43
08-30 101.8
08-31 97.88
09-01 144.74
09-02 143.51
09-03 84.73
09-04 66.78
09-05 78.77
09-06 57.18
09-07 59.74
09-08 99.83
09-09 641.16
09-10 324.29
09-11 137.1
09-12 114.46
09-13 139.77
09-14 63.73
09-15 46.71
09-16 74.97
09-17 88.38
09-18 67.49
09-19 64.18
09-20 60.61
09-21 57.21
09-22 46.96
09-23 54.48
09-24 55.03
09-25 93.21
09-26 137.57
09-27 69.31
09-28 52.62
09-29 47.7
09-30 56.77
10-01 119.96
10-02 152.09
10-03 90.42
10-04 109.15
10-05 99.99
10-06 116.13
10-07 94.67
10-08 72.77
10-09 62.24
10-10 62.45
10-11 106.11
10-12 259.71
10-13 172.52
10-14 158.69
10-15 359.59
10-16 254.3
10-17 206.9
10-18 318.82
10-19 239.02
10-20 205.88
10-21 181.77
10-22 151.36
10-23 128.02
10-24 126.88
10-25 137.32
10-26 113.36
10-27 105.79
10-28 101.63
10-29 91.87
10-30 102.21
10-31 99.67
11-01 99.58
11-02 95.51
11-03 90.23
11-04 94.93
11-05 85.72
11-06 67.23
11-07 61.72
11-08 67.8
11-09 65.56
11-10 64.01
11-11 83.88
11-12 37.9
11-13 26.2
11-14 26.93
11-15 28.8
11-16 29.53
11-17 24.7
11-18 30.95
11-19 28.15
11-20 33.95
11-21 35.3
11-22 32.15
11-23 38.15
11-24 29.9
11-25 34.1
11-26 20.6
11-27 33.0
11-28 32.0
12-16 29.8
12-17 39.9
12-18 53.3
12-19 54.9
12-20 48.6
12-21 45.6
12-22 42.7
12-23 44.1
12-24 42.7
12-25 50.1
12-26 51.7
12-27 51.7
12-28 61.7
12-29 59.9
12-30 65.2
12-31 59.9

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index