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

* WHAT...Dangerously hot conditions with heat index values near 100 to as high as 110 expected. Actual high temperatures mid 90s to low 100s. * WHERE...Portions of central, north central, northwest, and west central Minnesota and northeast and southeast North Dakota. * WHEN...Until 1 AM CDT Tuesday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Tongue River At Akra, 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
03-01 5.45
03-02 6.82
03-03 7.32
03-04 6.8
03-05 6.75
03-06 7.54
03-07 8.05
03-08 9.25
03-09 10.26
03-10 12.5
03-11 17.97
03-12 21.91
03-13 25.16
03-14 29.65
03-15 33.28
03-16 43.42
03-17 49.45
03-18 43.14
03-19 36.01
03-20 24.33
03-21 34.27
03-22 44.19
03-23 43.06
03-24 59.02
03-25 58.57
03-26 63.99
03-27 63.77
03-28 59.85
03-29 86.44
03-30 77.47
03-31 87.46
04-01 92.91
04-02 96.93
04-03 104.53
04-04 96.92
04-05 81.68
04-06 77.54
04-07 79.16
04-08 93.37
04-09 99.57
04-10 111.24
04-11 115.77
04-12 127.03
04-13 115.9
04-14 107.13
04-15 116.68
04-16 112.52
04-17 110.07
04-18 106.54
04-19 107.34
04-20 100.25
04-21 109.84
04-22 106.04
04-23 100.94
04-24 103.57
04-25 96.38
04-26 133.66
04-27 132.34
04-28 128.39
04-29 159.27
04-30 189.13
05-01 220.23
05-02 245.29
05-03 205.97
05-04 184.94
05-05 168.3
05-06 160.4
05-07 146.71
05-08 145.38
05-09 131.03
05-10 130.16
05-11 123.62
05-12 105.79
05-13 93.8
05-14 91.56
05-15 84.21
05-16 79.43
05-17 50.92
05-18 61.65
05-19 65.25
05-20 67.93
05-21 128.88
05-22 148.96
05-23 173.58
05-24 171.06
05-25 165.45
05-26 119.0
05-27 91.07
05-28 85.65
05-29 79.27
05-30 74.36
05-31 69.77
06-01 90.0
06-02 112.41
06-03 94.58
06-04 92.24
06-05 99.31
06-06 88.16
06-07 81.06
06-08 69.42
06-09 62.35
06-10 55.3
06-11 51.01
06-12 49.98
06-13 48.44
06-14 41.84
06-15 39.0
06-16 48.35
06-17 42.45
06-18 39.49
06-19 35.47
06-20 27.13
06-21 26.06
06-22 29.48
06-23 28.28
06-24 36.67
06-25 36.86
06-26 34.19
06-27 31.66
06-28 29.87
06-29 29.2
06-30 37.97
07-01 46.19
07-02 43.87
07-03 38.8
07-04 32.72
07-05 32.9
07-06 30.23
07-07 30.68
07-08 28.07
07-09 26.67
07-10 25.83
07-11 18.98
07-12 16.07
07-13 22.15
07-14 17.23
07-15 19.27
07-16 23.94
07-17 23.36
07-18 24.21
07-19 26.05
07-20 26.41
07-21 32.8
07-22 31.57
07-23 24.14
07-24 25.96
07-25 36.98
07-26 36.99
07-27 28.06
07-28 22.99
07-29 17.73
07-30 16.04
07-31 12.85
08-01 10.51
08-02 12.44
08-03 10.09
08-04 10.31
08-05 15.35
08-06 21.06
08-07 19.49
08-08 18.58
08-09 15.18
08-10 13.09
08-11 10.74
08-12 9.94
08-13 8.54
08-14 8.67
08-15 8.85
08-16 8.24
08-17 8.19
08-18 4.64
08-19 4.95
08-20 4.88
08-21 4.8
08-22 4.93
08-23 4.36
08-24 3.38
08-25 2.96
08-26 3.97
08-27 4.16
08-28 3.92
08-29 4.07
08-30 3.68
08-31 4.01
09-01 3.72
09-02 3.67
09-03 5.4
09-04 10.05
09-05 22.44
09-06 30.97
09-07 35.45
09-08 32.01
09-09 22.23
09-10 17.9
09-11 14.61
09-12 13.48
09-13 12.44
09-14 12.0
09-15 11.74
09-16 9.31
09-17 5.88
09-18 6.28
09-19 8.62
09-20 7.64
09-21 18.98
09-22 28.65
09-23 29.61
09-24 27.54
09-25 21.25
09-26 18.17
09-27 19.05
09-28 20.07
09-29 22.04
09-30 24.9
10-01 24.56
10-02 27.41
10-03 31.74
10-04 32.45
10-05 38.8
10-06 36.67
10-07 36.27
10-08 33.9
10-09 40.0
10-10 36.17
10-11 33.22
10-12 32.38
10-13 20.69
10-14 14.45
10-15 15.64
10-16 29.43
10-17 48.87
10-18 76.29
10-19 97.91
10-20 118.31
10-21 126.88
10-22 125.59
10-23 133.05
10-24 130.53
10-25 112.04
10-26 92.05
10-27 73.52
10-28 64.84
10-29 58.56
10-30 50.02
10-31 47.55
11-01 48.95
11-02 48.9
11-03 47.55
11-04 47.6
11-05 47.1
11-06 30.3
11-07 28.0
11-08 24.0
11-09 20.8
11-10 16.8
11-11 18.5
11-12 27.1
11-13 26.6
11-14 29.0
11-15 29.9
11-16 29.0
11-17 29.9
11-18 30.8
11-19 26.6
11-20 28.5
11-21 27.6
11-22 30.3
11-23 30.3
11-24 42.1
11-25 52.8

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index