Flood Advisory
2026-09-15T01:45:00-05:00

* WHAT...Urban area and small stream flooding caused by excessive rainfall is expected. * WHERE...Southeastern Portage County in central Wisconsin... Waushara County in central Wisconsin... Calumet County in east central Wisconsin... Manitowoc County in east central Wisconsin... Winnebago County in east central Wisconsin... Southern Brown County in northeastern Wisconsin... Southwestern Kewaunee County in northeastern Wisconsin... Southern Outagamie County in northeastern Wisconsin... Southern Waupaca County in northeastern Wisconsin... * WHEN...Until 145 AM CDT. * IMPACTS...Minor flooding in low-lying and poor drainage areas, especially in urban areas. * ADDITIONAL DETAILS... - At 1037 PM CDT, Doppler radar and automated rain gauges indicated heavy rain due to thunderstorms. This will cause urban and small stream flooding. Between 1 and 1.5 inches of rain have fallen, and additional rounds of rain are expected into the overnight hours. - Some locations that will experience flooding include... Appleton, Oshkosh, Manitowoc, Waupaca, Kewaunee, Wautoma, Menasha, Kaukauna, Little Chute, New London, Kimberly, Chilton, Brillion, Redgranite, Denmark, Valders, Fremont, Two Creeks and Northern Lake Winnebago. - http://www.weather.gov/safety/flood

Kewaunee River Near Kewaunee, 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
01-01 235.0
01-02 67.0
01-03 138.1
01-04 160.0
01-05 125.5
01-06 120.5
01-07 93.0
01-08 79.5
01-09 68.63
01-10 62.65
01-11 58.7
01-12 61.02
01-13 92.72
01-14 104.17
01-15 91.27
01-16 71.77
01-17 84.9
01-18 133.0
01-19 131.0
01-20 119.5
01-21 73.57
01-22 65.0
01-23 109.0
01-24 130.0
01-25 63.7
01-26 62.3
01-27 56.6
01-28 59.4
01-29 44.8
01-30 37.55
01-31 38.05
02-01 33.3
02-02 34.4
02-03 33.3
02-04 84.65
02-05 83.3
02-06 89.9
02-07 43.6
02-08 63.7
02-09 103.0
02-10 162.0
02-11 82.4
02-12 79.1
02-13 53.75
02-14 56.7
02-15 79.5
02-16 169.5
02-17 112.5
02-18 84.0
02-19 74.0
02-20 61.9
02-21 65.3
02-22 58.9
02-23 37.0
02-24 38.0
02-25 38.0
02-26 36.0
02-27 36.0
02-28 34.0
02-29 34.0
03-06 77.0
03-07 72.0
03-08 604.0
03-09 555.4
03-10 212.85
03-11 259.88
03-12 230.18
03-13 267.98
03-14 256.53
03-15 204.45
03-16 534.64
03-17 474.08
03-18 350.19
03-19 223.7
03-20 277.42
03-21 312.08
03-22 194.39
03-23 191.4
03-24 247.69
03-25 286.31
03-26 252.68
03-27 282.09
03-28 234.62
03-29 240.56
03-30 260.68
03-31 356.31
04-01 525.84
04-02 446.11
04-03 324.46
04-04 344.91
04-05 489.41
04-06 435.82
04-07 283.89
04-08 227.28
04-09 188.76
04-10 177.51
04-11 200.46
04-12 206.64
04-13 275.04
04-14 381.08
04-15 490.47
04-16 328.31
04-17 244.22
04-18 205.19
04-19 209.4
04-20 170.08
04-21 197.21
04-22 215.83
04-23 241.98
04-24 251.4
04-25 125.52
04-26 154.07
04-27 130.49
04-28 121.89
04-29 110.06
04-30 117.06
05-01 153.84
05-02 169.64
05-03 195.39
05-04 201.2
05-05 316.51
05-06 158.81
05-07 132.16
05-08 116.73
05-09 100.1
05-10 107.28
05-11 97.9
05-12 87.0
05-13 98.23
05-14 93.56
05-15 81.79
05-16 73.86
05-17 70.1
05-18 88.45
05-19 220.42
05-20 148.56
05-21 118.81
05-22 96.53
05-23 84.29
05-24 86.36
05-25 79.51
05-26 79.38
05-27 96.74
05-28 90.31
05-29 155.46
05-30 140.29
05-31 89.66
06-01 72.97
06-02 71.44
06-03 102.3
06-04 107.59
06-05 74.14
06-06 60.46
06-07 57.37
06-08 50.26
06-09 47.58
06-10 48.2
06-11 73.91
06-12 86.75
06-13 62.62
06-14 55.44
06-15 56.19
06-16 56.86
06-17 71.62
06-18 67.68
06-19 74.04
06-20 93.94
06-21 115.71
06-22 85.24
06-23 120.46
06-24 153.24
06-25 113.66
06-26 82.61
06-27 63.32
06-28 83.16
06-29 72.58
06-30 58.8
07-01 57.51
07-02 94.12
07-03 76.99
07-04 53.84
07-05 40.08
07-06 47.11
07-07 163.13
07-08 73.11
07-09 53.94
07-10 45.67
07-11 46.43
07-12 44.02
07-13 34.96
07-14 31.06
07-15 64.39
07-16 105.32
07-17 63.68
07-18 45.93
07-19 35.95
07-20 35.66
07-21 83.11
07-22 72.28
07-23 41.75
07-24 34.41
07-25 33.84
07-26 31.17
07-27 29.29
07-28 37.61
07-29 35.26
07-30 38.01
07-31 28.79
08-01 24.36
08-02 23.37
08-03 29.65
08-04 32.75
08-05 31.15
08-06 26.92
08-07 27.42
08-08 40.94
08-09 193.56
08-10 171.57
08-11 107.03
08-12 118.27
08-13 84.78
08-14 71.17
08-15 66.43
08-16 42.31
08-17 37.68
08-18 34.86
08-19 32.72
08-20 32.25
08-21 34.87
08-22 28.58
08-23 25.81
08-24 23.88
08-25 24.19
08-26 25.03
08-27 29.39
08-28 30.69
08-29 76.95
08-30 98.19
08-31 61.02
09-01 40.4
09-02 30.67
09-03 27.65
09-04 63.34
09-05 96.46
09-06 119.13
09-07 92.85
09-08 61.82
09-09 59.63
09-10 46.91
09-11 89.17
09-12 166.03
09-13 150.64
09-14 105.97
09-15 69.59
09-16 48.54
09-17 39.26
09-18 36.86
09-19 33.67
09-20 42.97
09-21 52.11
09-22 79.07
09-23 117.48
09-24 127.88
09-25 64.59
09-26 42.73
09-27 46.14
09-28 32.63
09-29 41.29
09-30 41.18
10-01 45.02
10-02 91.25
10-03 110.94
10-04 79.28
10-05 70.7
10-06 59.17
10-07 53.51
10-08 51.44
10-09 68.1
10-10 77.07
10-11 63.86
10-12 93.79
10-13 76.75
10-14 63.54
10-15 108.25
10-16 113.08
10-17 99.93
10-18 74.22
10-19 59.62
10-20 55.52
10-21 48.7
10-22 52.68
10-23 66.19
10-24 86.56
10-25 70.24
10-26 59.34
10-27 70.76
10-28 76.0
10-29 64.62
10-30 56.13
10-31 50.82
11-01 50.58
11-02 53.6
11-03 52.85
11-04 51.44
11-05 50.83
11-06 66.06
11-07 88.69
11-08 81.65
11-09 76.98
11-10 114.24
11-11 131.36
11-12 96.75
11-13 79.97
11-14 63.46
11-15 54.6
11-16 64.38
11-17 59.87
11-18 74.31
11-19 81.65
11-20 62.94
11-21 55.28
11-22 76.24
11-23 68.52
11-24 53.24
11-25 50.49
11-26 49.67
11-27 50.13
11-28 114.25
11-29 88.46
11-30 84.17
12-01 79.39
12-02 101.52
12-03 87.92
12-04 83.84
12-05 83.73
12-06 73.58
12-07 64.51
12-08 53.64
12-09 52.26
12-10 55.63
12-11 45.4
12-12 37.14
12-13 33.87
12-14 30.26
12-15 32.02
12-16 71.97
12-17 184.32
12-18 139.93
12-19 95.4
12-20 79.85
12-21 38.07
12-22 70.83
12-23 63.58
12-24 115.65
12-25 144.4
12-26 100.5
12-27 123.98
12-28 107.12
12-29 79.0
12-30 278.58
12-31 568.73

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index