Overview Realtime Historical Map View
Heat Advisory
2026-07-19T21:00:00-06:00

* WHAT...Peak afternoon heat index values of 95 to 105, hottest for Sunday afternoon. * WHERE...Portions of northwestern, south central, and southwestern South Dakota and northeast Wyoming. * WHEN...Until 9 PM MDT /10 PM CDT/ Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Whitewood Cr Above Whitewood,Sd 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 19.4
01-02 22.7
01-03 28.0
01-04 22.7
01-05 12.0
01-06 8.11
01-07 7.85
01-08 7.85
01-09 7.6
01-10 10.7
01-11 13.7
01-12 9.48
01-13 7.6
01-14 9.19
01-15 7.6
01-16 8.11
01-17 13.0
01-18 5.15
01-19 18.5
01-20 25.8
01-21 55.0
02-18 21.7
02-19 25.3
02-20 6.64
02-21 49.7
02-22 94.8
02-23 88.7
03-02 18.0
03-03 17.0
03-04 17.0
03-05 16.1
03-06 116.4
03-07 22.97
03-08 27.47
03-09 27.97
03-10 22.47
03-11 20.95
03-12 20.73
03-13 20.75
03-14 23.77
03-15 22.44
03-16 24.6
03-17 25.25
03-18 24.32
03-19 24.4
03-20 22.93
03-21 25.83
03-22 23.0
03-23 23.87
03-24 23.97
03-25 25.07
03-26 25.34
03-27 27.6
03-28 26.87
03-29 25.49
03-30 26.89
03-31 28.63
04-01 29.47
04-02 27.67
04-03 27.15
04-04 27.24
04-05 28.35
04-06 30.54
04-07 39.08
04-08 40.98
04-09 39.05
04-10 46.27
04-11 43.68
04-12 49.29
04-13 46.05
04-14 41.4
04-15 39.85
04-16 38.78
04-17 41.41
04-18 43.16
04-19 51.43
04-20 48.98
04-21 48.73
04-22 52.77
04-23 55.98
04-24 57.16
04-25 54.15
04-26 52.46
04-27 55.32
04-28 66.33
04-29 67.44
04-30 67.81
05-01 63.33
05-02 64.87
05-03 66.77
05-04 62.16
05-05 65.09
05-06 68.85
05-07 65.37
05-08 66.96
05-09 56.78
05-10 57.14
05-11 50.85
05-12 54.09
05-13 73.99
05-14 78.68
05-15 68.69
05-16 68.02
05-17 58.98
05-18 62.35
05-19 62.63
05-20 79.11
05-21 152.77
05-22 138.63
05-23 138.99
05-24 104.39
05-25 107.41
05-26 98.51
05-27 81.71
05-28 76.34
05-29 73.39
05-30 105.75
05-31 100.07
06-01 132.97
06-02 106.32
06-03 91.33
06-04 71.53
06-05 72.24
06-06 61.86
06-07 57.15
06-08 52.75
06-09 48.69
06-10 47.61
06-11 43.87
06-12 42.09
06-13 33.54
06-14 36.49
06-15 39.95
06-16 35.27
06-17 32.48
06-18 32.46
06-19 26.69
06-20 28.26
06-21 40.9
06-22 44.54
06-23 39.0
06-24 45.91
06-25 40.77
06-26 43.36
06-27 37.87
06-28 41.18
06-29 38.84
06-30 38.15
07-01 33.06
07-02 35.58
07-03 28.18
07-04 37.27
07-05 69.38
07-06 53.85
07-07 38.9
07-08 39.65
07-09 35.64
07-10 30.17
07-11 32.06
07-12 27.47
07-13 22.59
07-14 41.04
07-15 25.96
07-16 26.35
07-17 25.64
07-18 27.95
07-19 23.45
07-20 21.92
07-21 19.59
07-22 20.39
07-23 19.25
07-24 18.58
07-25 25.06
07-26 18.53
07-27 21.96
07-28 22.91
07-29 19.02
07-30 17.31
07-31 16.73
08-01 15.47
08-02 16.92
08-03 15.41
08-04 22.45
08-05 18.7
08-06 26.51
08-07 18.39
08-08 16.57
08-09 17.14
08-10 18.73
08-11 17.43
08-12 19.69
08-13 15.66
08-14 17.71
08-15 15.28
08-16 15.03
08-17 12.72
08-18 12.61
08-19 13.86
08-20 14.19
08-21 13.26
08-22 14.86
08-23 13.6
08-24 13.22
08-25 14.03
08-26 19.12
08-27 15.3
08-28 13.03
08-29 13.0
08-30 13.1
08-31 11.85
09-01 12.51
09-02 12.41
09-03 12.02
09-04 12.07
09-05 12.67
09-06 14.08
09-07 12.11
09-08 11.87
09-09 14.1
09-10 13.11
09-11 12.59
09-12 12.01
09-13 12.99
09-14 12.88
09-15 17.6
09-16 13.3
09-17 12.44
09-18 13.15
09-19 12.44
09-20 12.36
09-21 13.49
09-22 12.33
09-23 12.64
09-24 12.94
09-25 12.11
09-26 12.31
09-27 11.93
09-28 12.46
09-29 12.2
09-30 12.48
10-01 16.69
10-02 13.28
10-03 14.48
10-04 14.0
10-05 13.49
10-06 13.33
10-07 13.59
10-08 12.8
10-09 17.97
10-10 18.48
10-11 15.73
10-12 33.7
10-13 25.77
10-14 22.49
10-15 27.04
10-16 21.83
10-17 22.17
10-18 19.02
10-19 19.78
10-20 20.71
10-21 21.25
10-22 21.67
10-23 26.63
10-24 28.51
10-25 26.53
10-26 26.94
10-27 27.94
10-28 28.57
10-29 27.47
10-30 26.29
10-31 21.57
11-01 21.19
11-02 18.92
11-03 17.36
11-04 17.23
11-05 16.5
11-06 16.02
11-07 17.11
11-08 20.26
11-09 22.49
11-10 22.99
11-11 24.63
11-12 23.93
11-13 26.11
11-14 17.48
11-15 15.64
11-16 18.07
11-17 15.56
11-18 16.25
11-19 19.0
11-20 13.94
11-21 12.56
11-22 12.3
11-23 13.48
11-24 21.17
11-25 16.27
11-26 18.78
11-27 27.5
11-28 16.54
11-29 16.28
11-30 17.15
12-01 18.1
12-02 16.47
12-03 18.9
12-04 6.51
12-05 6.4
12-06 6.6
12-10 29.8
12-11 46.1
12-30 22.7
12-31 16.8

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index