Overview Realtime Historical Map View
Winter Weather Advisory
2026-11-13T10:00:00-06:00

* WHAT...Lake effect snow expected. Accumulating wet snow likely away from the lakeshore especially near the Illinois-Indiana state line. Localized snowfall totals of 3 inches or greater possible. * WHERE...Eastern Will and Southern Cook Counties. * WHEN...From midnight tonight to 10 AM CST Friday. * IMPACTS...Plan on slippery road conditions, especially on bridges and overpasses. The hazardous conditions will impact the Friday morning commute.

Butterfield Creek At Flossmoor, Il 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 37.03
01-02 25.84
01-03 20.43
01-04 27.34
01-05 16.3
01-06 14.86
01-07 13.11
01-08 10.95
01-09 32.58
01-10 42.41
01-11 94.33
01-12 56.84
01-13 52.67
01-14 33.89
01-15 20.95
01-16 17.45
01-17 12.24
01-18 14.95
01-19 23.14
01-20 17.51
01-21 196.5
01-22 103.44
01-23 15.01
01-24 31.89
01-25 22.09
01-26 66.48
01-27 41.02
01-28 26.29
01-29 24.46
01-30 42.29
01-31 25.64
02-01 22.39
02-02 16.2
02-03 15.87
02-04 44.12
02-05 29.65
02-06 32.26
02-07 22.0
02-08 26.5
02-09 18.21
02-10 20.66
02-11 16.07
02-12 18.35
02-13 15.11
02-14 11.82
02-15 13.98
02-16 14.64
02-17 59.6
02-18 21.48
02-19 19.0
02-20 109.72
02-21 141.61
02-22 67.51
02-23 60.41
02-24 47.38
02-25 33.94
02-26 21.65
02-27 20.38
02-28 30.77
02-29 22.19
03-01 38.92
03-02 28.09
03-03 21.04
03-04 19.4
03-05 35.59
03-06 26.24
03-07 50.48
03-08 25.5
03-09 39.6
03-10 45.91
03-11 102.19
03-12 61.52
03-13 36.25
03-14 36.76
03-15 58.73
03-16 79.35
03-17 45.76
03-18 29.36
03-19 29.87
03-20 41.64
03-21 28.05
03-22 19.73
03-23 17.29
03-24 28.62
03-25 22.93
03-26 28.43
03-27 25.99
03-28 19.92
03-29 18.94
03-30 36.8
03-31 96.3
04-01 135.72
04-02 57.14
04-03 82.01
04-04 113.28
04-05 62.46
04-06 63.8
04-07 42.26
04-08 32.4
04-09 29.0
04-10 22.58
04-11 25.57
04-12 24.12
04-13 17.0
04-14 15.31
04-15 19.9
04-16 38.39
04-17 23.09
04-18 68.34
04-19 95.27
04-20 40.75
04-21 27.61
04-22 24.01
04-23 16.44
04-24 20.17
04-25 16.85
04-26 30.43
04-27 16.2
04-28 25.91
04-29 27.59
04-30 102.0
05-01 138.12
05-02 58.94
05-03 41.19
05-04 39.55
05-05 27.04
05-06 31.09
05-07 28.47
05-08 23.87
05-09 37.56
05-10 45.17
05-11 46.18
05-12 38.53
05-13 32.0
05-14 30.35
05-15 27.51
05-16 27.35
05-17 30.81
05-18 91.32
05-19 33.98
05-20 20.82
05-21 25.41
05-22 47.19
05-23 21.87
05-24 35.63
05-25 16.53
05-26 42.22
05-27 30.91
05-28 45.94
05-29 79.91
05-30 37.05
05-31 26.28
06-01 20.84
06-02 29.42
06-03 13.21
06-04 8.77
06-05 15.64
06-06 12.0
06-07 11.46
06-08 14.63
06-09 31.76
06-10 67.31
06-11 45.95
06-12 37.79
06-13 55.01
06-14 24.23
06-15 37.47
06-16 56.1
06-17 18.22
06-18 61.96
06-19 19.85
06-20 47.87
06-21 31.24
06-22 147.48
06-23 81.02
06-24 34.85
06-25 69.16
06-26 30.54
06-27 115.92
06-28 45.78
06-29 51.37
06-30 50.3
07-01 110.83
07-02 40.76
07-03 36.03
07-04 101.11
07-05 80.47
07-06 47.93
07-07 22.45
07-08 13.67
07-09 11.47
07-10 8.69
07-11 7.67
07-12 10.83
07-13 67.34
07-14 33.63
07-15 18.44
07-16 16.61
07-17 16.07
07-18 8.7
07-19 9.92
07-20 17.66
07-21 11.25
07-22 56.98
07-23 22.34
07-24 46.67
07-25 37.35
07-26 15.19
07-27 10.31
07-28 26.28
07-29 15.07
07-30 11.32
07-31 8.9
08-01 5.68
08-02 85.72
08-03 28.74
08-04 18.8
08-05 11.0
08-06 15.12
08-07 7.86
08-08 7.13
08-09 9.32
08-10 8.79
08-11 6.14
08-12 35.68
08-13 32.4
08-14 31.77
08-15 28.46
08-16 27.93
08-17 14.07
08-18 16.47
08-19 51.3
08-20 25.12
08-21 49.54
08-22 21.21
08-23 12.47
08-24 10.61
08-25 9.0
08-26 31.96
08-27 16.47
08-28 10.61
08-29 7.66
08-30 7.41
08-31 5.64
09-01 8.98
09-02 8.54
09-03 4.17
09-04 10.0
09-05 5.7
09-06 8.74
09-07 8.58
09-08 7.6
09-09 9.72
09-10 6.78
09-11 21.73
09-12 13.09
09-13 8.83
09-14 6.63
09-15 4.54
09-16 4.3
09-17 3.63
09-18 18.63
09-19 24.57
09-20 18.84
09-21 17.77
09-22 13.45
09-23 8.22
09-24 5.55
09-25 4.38
09-26 7.09
09-27 6.43
09-28 126.35
09-29 47.93
09-30 32.97
10-01 22.69
10-02 28.65
10-03 29.41
10-04 16.74
10-05 8.75
10-06 14.06
10-07 12.44
10-08 20.55
10-09 9.63
10-10 6.27
10-11 11.29
10-12 14.58
10-13 9.74
10-14 22.07
10-15 50.89
10-16 17.27
10-17 9.8
10-18 8.19
10-19 7.81
10-20 10.49
10-21 7.57
10-22 6.33
10-23 10.02
10-24 13.63
10-25 52.01
10-26 38.31
10-27 64.8
10-28 23.87
10-29 16.44
10-30 28.6
10-31 42.41
11-01 23.04
11-02 14.67
11-03 22.53
11-04 12.85
11-05 13.3
11-06 9.54
11-07 10.07
11-08 7.42
11-09 14.05
11-10 11.15
11-11 9.11
11-12 9.08
11-13 7.25
11-14 5.2
11-15 4.65
11-16 4.58
11-17 4.38
11-18 10.5
11-19 22.64
11-20 10.59
11-21 8.18
11-22 16.19
11-23 10.22
11-24 16.34
11-25 13.68
11-26 30.58
11-27 16.82
11-28 13.34
11-29 30.66
11-30 13.54
12-01 11.09
12-02 22.74
12-03 15.46
12-04 12.5
12-05 9.61
12-06 8.53
12-07 8.04
12-08 7.03
12-09 6.04
12-10 5.9
12-11 21.4
12-12 9.27
12-13 11.78
12-14 9.44
12-15 60.48
12-16 23.51
12-17 24.44
12-18 13.45
12-19 13.17
12-20 10.49
12-21 14.67
12-22 18.16
12-23 24.91
12-24 23.34
12-25 14.32
12-26 19.13
12-27 21.85
12-28 30.05
12-29 34.11
12-30 49.31
12-31 28.51

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index