Heat Advisory
2026-07-16T22:00:00-05:00

* WHAT...For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 105. For the Heat Advisory, heat index values up to 100 expected. * WHERE...Portions of central, north central, northwest, and west central Minnesota and southeast North Dakota. * WHEN...For the Extreme Heat Warning, until 10 PM CDT this evening. For the Heat Advisory, from 10 PM this evening to 10 PM CDT Thursday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

Marsh River Near Shelly, Mn Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
03-01 0.75
03-02 0.57
03-03 2.17
03-23 7.0
03-24 13.0
03-25 12.0
03-26 9.8
03-27 8.7
03-28 7.3
03-29 6.4
03-30 6.2
03-31 3.5
04-01 21.87
04-02 21.67
04-03 20.18
04-04 17.56
04-05 16.88
04-06 15.79
04-07 15.03
04-08 13.51
04-09 12.69
04-10 145.75
04-11 692.92
04-12 573.33
04-13 538.44
04-14 575.3
04-15 525.71
04-16 408.73
04-17 340.61
04-18 322.69
04-19 207.69
04-20 389.51
04-21 266.61
04-22 198.6
04-23 224.1
04-24 330.92
04-25 345.2
04-26 365.46
04-27 301.16
04-28 330.15
04-29 275.86
04-30 239.45
05-01 256.16
05-02 242.36
05-03 183.99
05-04 144.22
05-05 107.68
05-06 76.87
05-07 57.98
05-08 51.42
05-09 75.72
05-10 118.94
05-11 119.98
05-12 88.73
05-13 68.64
05-14 62.98
05-15 58.33
05-16 52.13
05-17 44.22
05-18 38.0
05-19 34.08
05-20 31.49
05-21 29.74
05-22 35.13
05-23 36.98
05-24 37.49
05-25 30.97
05-26 28.86
05-27 27.66
05-28 23.96
05-29 20.92
05-30 17.67
05-31 17.67
06-01 24.56
06-02 37.54
06-03 40.77
06-04 37.68
06-05 33.26
06-06 27.5
06-07 28.12
06-08 21.02
06-09 16.99
06-10 21.56
06-11 20.01
06-12 17.57
06-13 17.44
06-14 18.95
06-15 21.58
06-16 46.66
06-17 73.65
06-18 65.6
06-19 56.53
06-20 52.06
06-21 68.6
06-22 95.94
06-23 90.64
06-24 59.62
06-25 53.19
06-26 51.21
06-27 60.97
06-28 58.26
06-29 61.87
06-30 49.97
07-01 35.7
07-02 21.68
07-03 33.42
07-04 19.88
07-05 17.13
07-06 19.39
07-07 21.0
07-08 16.06
07-09 12.39
07-10 16.01
07-11 28.42
07-12 36.74
07-13 16.96
07-14 34.32
07-15 23.12
07-16 19.6
07-17 14.24
07-18 11.67
07-19 9.78
07-20 8.32
07-21 8.6
07-22 8.05
07-23 7.08
07-24 13.75
07-25 44.12
07-26 86.63
07-27 73.46
07-28 49.57
07-29 29.69
07-30 17.66
07-31 11.29
08-01 8.74
08-02 7.04
08-03 5.09
08-04 5.57
08-05 4.36
08-06 5.09
08-07 7.45
08-08 8.04
08-09 8.17
08-10 7.73
08-11 8.43
08-12 12.83
08-13 17.17
08-14 11.7
08-15 118.33
08-16 212.21
08-17 199.65
08-18 162.15
08-19 89.23
08-20 67.88
08-21 62.77
08-22 59.33
08-23 49.53
08-24 50.78
08-25 54.45
08-26 38.97
08-27 33.68
08-28 22.43
08-29 22.68
08-30 110.6
08-31 181.95
09-01 139.51
09-02 111.33
09-03 72.92
09-04 56.65
09-05 52.64
09-06 86.11
09-07 75.46
09-08 71.32
09-09 103.63
09-10 110.89
09-11 74.97
09-12 69.99
09-13 60.65
09-14 62.21
09-15 52.97
09-16 43.02
09-17 34.52
09-18 28.71
09-19 19.05
09-20 11.19
09-21 46.91
09-22 59.47
09-23 30.26
09-24 24.98
09-25 17.46
09-26 12.58
09-27 8.91
09-28 7.69
09-29 7.21
09-30 7.08
10-01 15.32
10-02 24.53
10-03 25.3
10-04 36.0
10-05 58.39
10-06 61.3
10-07 135.34
10-08 78.91
10-09 86.51
10-10 76.48
10-11 90.78
10-12 162.18
10-13 195.3
10-14 248.46
10-15 183.4
10-16 171.33
10-17 135.61
10-18 108.37
10-19 86.71
10-20 67.11
10-21 48.05
10-22 40.43
10-23 39.37
10-24 37.7
10-25 33.68
10-26 30.08
10-27 26.74
10-28 24.67
10-29 6.4
10-30 7.66
10-31 9.21
11-01 13.67
11-02 16.5
11-03 16.27
11-04 15.37
11-05 13.81
11-06 14.97
11-07 14.87
11-08 15.02
11-09 20.39
11-10 18.59
11-11 3.84
11-12 3.72
11-13 2.9
11-14 3.11
11-15 3.43
11-16 3.28
11-17 3.67
11-18 2.19
11-19 0.91
11-20 1.07
11-21 1.35
11-22 1.01
11-23 1.0
11-24 1.21
11-25 1.39
11-26 0.43
11-27 0.43
11-28 0.35
11-29 0.39

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index