Heat Advisory
2026-08-12T20:00:00-05:00

* WHAT...Heat index values of 100 to 108 expected. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...From noon CDT /1 PM EDT/ today to 8 PM CDT /9 PM EDT/ Wednesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Peak heat index values will be closer to 100 degrees today. Dangerous heat and humidity may also extend into Thursday depending on the timing of a cold front.

Big Creek Near Wadesville, In Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 202.84
01-02 464.02
01-03 116.66
01-04 413.5
01-05 204.74
01-06 69.64
01-07 54.45
01-08 44.25
01-09 47.13
01-10 195.76
01-11 326.74
01-12 655.12
01-13 847.75
01-14 813.62
01-15 211.23
01-16 91.36
01-17 52.86
01-18 205.03
01-19 516.91
01-20 266.48
01-21 72.03
01-22 86.34
01-23 105.7
01-24 249.22
01-25 88.29
01-26 189.72
01-27 142.84
01-28 167.71
01-29 84.56
01-30 65.58
01-31 414.74
02-01 113.0
02-02 78.81
02-03 109.03
02-04 61.53
02-05 135.64
02-06 134.57
02-07 152.18
02-08 351.22
02-09 405.93
02-10 126.24
02-11 164.72
02-12 284.52
02-13 238.49
02-14 73.37
02-15 71.08
02-16 496.15
02-17 370.44
02-18 573.78
02-19 117.8
02-20 176.34
02-21 135.89
02-22 205.49
02-23 303.55
02-24 209.66
02-25 504.54
02-26 102.18
02-27 149.96
02-28 81.92
02-29 48.16
03-01 329.52
03-02 119.8
03-03 478.12
03-04 720.96
03-05 192.84
03-06 121.98
03-07 129.98
03-08 327.32
03-09 247.27
03-10 220.34
03-11 325.38
03-12 255.78
03-13 168.65
03-14 351.38
03-15 341.84
03-16 206.45
03-17 93.19
03-18 419.97
03-19 370.93
03-20 338.68
03-21 94.15
03-22 56.96
03-23 361.71
03-24 99.83
03-25 626.69
03-26 139.48
03-27 111.61
03-28 280.45
03-29 148.0
03-30 180.89
03-31 307.62
04-01 174.6
04-02 211.4
04-03 375.49
04-04 480.09
04-05 245.87
04-06 685.25
04-07 167.36
04-08 264.35
04-09 72.52
04-10 58.59
04-11 128.04
04-12 282.95
04-13 75.51
04-14 474.33
04-15 87.27
04-16 108.87
04-17 109.98
04-18 55.45
04-19 243.83
04-20 357.67
04-21 101.59
04-22 92.28
04-23 62.67
04-24 63.64
04-25 141.01
04-26 290.05
04-27 200.71
04-28 301.62
04-29 376.05
04-30 532.15
05-01 460.26
05-02 150.28
05-03 641.49
05-04 250.65
05-05 324.29
05-06 307.94
05-07 115.73
05-08 88.36
05-09 85.56
05-10 57.16
05-11 121.53
05-12 258.18
05-13 144.88
05-14 53.92
05-15 52.85
05-16 41.11
05-17 85.05
05-18 402.44
05-19 153.23
05-20 190.45
05-21 66.85
05-22 148.91
05-23 62.42
05-24 39.3
05-25 48.57
05-26 47.01
05-27 134.72
05-28 52.5
05-29 33.95
05-30 328.5
05-31 114.97
06-01 164.81
06-02 234.37
06-03 91.79
06-04 89.44
06-05 42.08
06-06 118.78
06-07 180.15
06-08 40.63
06-09 72.98
06-10 63.25
06-11 73.07
06-12 80.11
06-13 149.44
06-14 101.04
06-15 35.2
06-16 21.6
06-17 409.37
06-18 76.88
06-19 164.29
06-20 432.02
06-21 269.76
06-22 166.86
06-23 129.68
06-24 146.71
06-25 165.92
06-26 75.39
06-27 172.21
06-28 403.27
06-29 334.66
06-30 152.42
07-01 338.08
07-02 321.69
07-03 54.52
07-04 50.81
07-05 257.23
07-06 180.99
07-07 101.11
07-08 167.99
07-09 588.24
07-10 168.73
07-11 180.77
07-12 27.4
07-13 37.22
07-14 40.49
07-15 13.24
07-16 126.84
07-17 206.97
07-18 72.45
07-19 61.81
07-20 273.18
07-21 83.34
07-22 152.12
07-23 87.93
07-24 22.29
07-25 9.71
07-26 29.92
07-27 42.12
07-28 83.8
07-29 322.1
07-30 104.25
07-31 40.66
08-01 151.42
08-02 147.85
08-03 81.32
08-04 71.47
08-05 14.15
08-06 42.9
08-07 17.38
08-08 45.59
08-09 5.9
08-10 46.69
08-11 8.24
08-12 4.78
08-13 3.91
08-14 37.93
08-15 26.57
08-16 8.48
08-17 41.83
08-18 87.18
08-19 45.84
08-20 6.22
08-21 18.16
08-22 149.76
08-23 27.9
08-24 13.2
08-25 3.56
08-26 2.59
08-27 16.86
08-28 6.28
08-29 13.64
08-30 3.96
08-31 1.93
09-01 2.22
09-02 46.36
09-03 121.74
09-04 5.17
09-05 3.15
09-06 36.35
09-07 7.29
09-08 36.97
09-09 442.05
09-10 83.75
09-11 15.99
09-12 4.84
09-13 4.24
09-14 1.61
09-15 5.62
09-16 1.75
09-17 1.6
09-18 281.95
09-19 94.96
09-20 30.95
09-21 3.76
09-22 14.67
09-23 8.47
09-24 37.87
09-25 22.74
09-26 541.18
09-27 132.67
09-28 10.85
09-29 4.25
09-30 4.18
10-01 2.91
10-02 4.4
10-03 5.92
10-04 7.98
10-05 4.4
10-06 23.11
10-07 240.6
10-08 52.62
10-09 6.41
10-10 3.12
10-11 11.03
10-12 5.97
10-13 58.94
10-14 36.17
10-15 21.68
10-16 3.98
10-17 4.39
10-18 2.48
10-19 6.57
10-20 9.54
10-21 6.07
10-22 17.41
10-23 3.87
10-24 8.72
10-25 3.48
10-26 10.09
10-27 105.64
10-28 16.74
10-29 81.75
10-30 364.21
10-31 56.24
11-01 39.59
11-02 123.95
11-03 13.78
11-04 10.61
11-05 6.27
11-06 39.58
11-07 12.79
11-08 6.77
11-09 5.64
11-10 13.4
11-11 4.59
11-12 4.17
11-13 24.04
11-14 6.62
11-15 10.29
11-16 66.45
11-17 18.04
11-18 138.58
11-19 48.02
11-20 11.25
11-21 9.99
11-22 27.23
11-23 125.36
11-24 64.74
11-25 37.83
11-26 104.43
11-27 30.56
11-28 120.55
11-29 128.58
11-30 142.09
12-01 397.57
12-02 118.19
12-03 37.58
12-04 27.19
12-05 144.81
12-06 543.89
12-07 128.95
12-08 40.98
12-09 30.93
12-10 118.99
12-11 77.37
12-12 24.92
12-13 22.99
12-14 33.8
12-15 182.92
12-16 209.54
12-17 109.61
12-18 91.39
12-19 70.1
12-20 41.97
12-21 36.32
12-22 1456.73
12-23 21.44
12-24 200.44
12-25 41.83
12-26 41.52
12-27 20.56
12-28 290.39
12-29 47.1
12-30 193.52
12-31 134.94

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index