Heat Advisory
2026-07-15T20:00:00-05:00

* WHAT...Heat index values up to 102 expected. * WHERE...Portions of east central, south central, and southeast Wisconsin. * WHEN...From noon Tuesday to 8 PM CDT Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Mukwonago River At Mukwonago, Wi 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 71.94
01-02 68.28
01-03 68.93
01-04 58.98
01-05 56.01
01-06 51.81
01-07 50.21
01-08 53.47
01-09 61.0
01-10 62.45
01-11 64.28
01-12 64.9
01-13 64.12
01-14 61.5
01-15 61.31
01-16 52.72
01-17 49.63
01-18 48.87
01-19 51.62
01-20 53.69
01-21 55.39
01-22 53.77
01-23 47.75
01-24 43.74
01-25 46.33
01-26 46.3
01-27 46.94
01-28 46.46
01-29 46.82
01-30 43.96
01-31 55.32
02-01 59.97
02-02 56.27
02-03 56.9
02-04 59.2
02-05 56.7
02-06 58.08
02-07 56.03
02-08 55.76
02-09 53.42
02-10 55.29
02-11 54.39
02-12 53.88
02-13 53.8
02-14 54.94
02-15 46.42
02-16 45.63
02-17 42.77
02-18 43.67
02-19 45.37
02-20 55.46
02-21 79.05
02-22 79.97
02-23 75.41
02-24 72.12
02-25 54.09
02-26 52.33
02-27 58.63
02-28 53.38
02-29 57.67
03-01 54.44
03-02 56.63
03-03 61.75
03-04 60.66
03-05 61.36
03-06 61.14
03-07 72.26
03-08 73.74
03-09 70.49
03-10 74.66
03-11 82.89
03-12 84.72
03-13 83.99
03-14 74.36
03-15 79.68
03-16 86.8
03-17 96.4
03-18 91.31
03-19 81.0
03-20 76.04
03-21 75.63
03-22 66.92
03-23 66.63
03-24 74.23
03-25 80.15
03-26 88.36
03-27 91.93
03-28 91.97
03-29 84.4
03-30 83.06
03-31 87.49
04-01 93.99
04-02 85.14
04-03 104.9
04-04 102.17
04-05 116.01
04-06 108.71
04-07 102.43
04-08 87.13
04-09 77.54
04-10 94.11
04-11 98.4
04-12 94.98
04-13 92.31
04-14 91.09
04-15 109.58
04-16 112.19
04-17 106.58
04-18 115.92
04-19 130.02
04-20 132.13
04-21 124.48
04-22 107.28
04-23 96.85
04-24 86.38
04-25 84.38
04-26 82.32
04-27 78.26
04-28 76.61
04-29 76.29
04-30 91.12
05-01 94.55
05-02 87.05
05-03 89.45
05-04 87.06
05-05 81.0
05-06 75.73
05-07 72.63
05-08 76.17
05-09 72.88
05-10 71.81
05-11 77.09
05-12 81.09
05-13 83.93
05-14 90.14
05-15 88.35
05-16 82.43
05-17 78.12
05-18 73.21
05-19 73.39
05-20 76.21
05-21 73.87
05-22 75.95
05-23 86.85
05-24 79.9
05-25 71.08
05-26 69.73
05-27 63.54
05-28 67.88
05-29 76.99
05-30 78.71
05-31 74.55
06-01 60.64
06-02 64.46
06-03 54.87
06-04 46.99
06-05 58.59
06-06 61.95
06-07 58.77
06-08 56.33
06-09 50.83
06-10 49.37
06-11 46.69
06-12 50.04
06-13 57.99
06-14 63.66
06-15 65.56
06-16 62.14
06-17 56.59
06-18 51.63
06-19 59.66
06-20 71.2
06-21 82.37
06-22 88.2
06-23 76.81
06-24 68.64
06-25 70.46
06-26 72.61
06-27 71.96
06-28 75.86
06-29 76.74
06-30 72.94
07-01 80.25
07-02 67.94
07-03 65.84
07-04 57.11
07-05 54.26
07-06 51.24
07-07 48.81
07-08 60.69
07-09 60.57
07-10 61.68
07-11 61.01
07-12 63.89
07-13 81.32
07-14 88.89
07-15 94.36
07-16 85.92
07-17 79.42
07-18 65.76
07-19 55.63
07-20 47.44
07-21 54.32
07-22 69.9
07-23 58.96
07-24 58.14
07-25 57.34
07-26 50.34
07-27 45.26
07-28 44.4
07-29 43.44
07-30 47.04
07-31 45.37
08-01 46.2
08-02 42.06
08-03 43.74
08-04 41.36
08-05 46.86
08-06 41.71
08-07 40.51
08-08 47.49
08-09 53.61
08-10 50.65
08-11 46.7
08-12 47.11
08-13 52.61
08-14 55.35
08-15 65.64
08-16 67.05
08-17 53.19
08-18 52.54
08-19 72.75
08-20 69.8
08-21 59.5
08-22 62.41
08-23 62.21
08-24 47.77
08-25 40.2
08-26 38.41
08-27 41.06
08-28 42.72
08-29 48.96
08-30 53.98
08-31 44.73
09-01 49.55
09-02 39.22
09-03 40.36
09-04 40.16
09-05 61.99
09-06 61.46
09-07 59.41
09-08 57.67
09-09 53.15
09-10 48.59
09-11 43.24
09-12 62.94
09-13 58.81
09-14 70.27
09-15 72.16
09-16 71.18
09-17 66.16
09-18 46.8
09-19 52.16
09-20 54.63
09-21 57.13
09-22 54.75
09-23 58.98
09-24 55.18
09-25 47.34
09-26 41.14
09-27 40.54
09-28 37.37
09-29 43.41
09-30 55.54
10-01 61.71
10-02 57.77
10-03 56.56
10-04 53.97
10-05 66.96
10-06 66.69
10-07 56.09
10-08 49.84
10-09 46.47
10-10 48.09
10-11 44.91
10-12 45.38
10-13 48.64
10-14 51.46
10-15 60.81
10-16 52.05
10-17 50.28
10-18 53.16
10-19 51.45
10-20 45.91
10-21 47.57
10-22 43.74
10-23 48.71
10-24 54.86
10-25 54.69
10-26 55.7
10-27 61.11
10-28 59.25
10-29 65.26
10-30 56.27
10-31 45.7
11-01 47.43
11-02 55.76
11-03 57.21
11-04 60.74
11-05 57.74
11-06 55.1
11-07 57.68
11-08 55.05
11-09 45.59
11-10 47.36
11-11 50.54
11-12 53.42
11-13 51.1
11-14 52.67
11-15 51.28
11-16 53.07
11-17 51.99
11-18 58.27
11-19 65.01
11-20 62.72
11-21 56.65
11-22 56.57
11-23 51.38
11-24 48.83
11-25 48.63
11-26 47.74
11-27 54.21
11-28 58.51
11-29 67.67
11-30 70.41
12-01 66.0
12-02 63.49
12-03 63.86
12-04 70.13
12-05 69.99
12-06 61.05
12-07 62.54
12-08 58.91
12-09 51.5
12-10 47.67
12-11 48.55
12-12 53.07
12-13 55.15
12-14 53.27
12-15 56.99
12-16 57.48
12-17 65.45
12-18 59.74
12-19 55.56
12-20 47.82
12-21 51.04
12-22 52.67
12-23 60.32
12-24 62.62
12-25 58.98
12-26 56.98
12-27 57.06
12-28 56.79
12-29 58.92
12-30 66.75
12-31 71.14

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index