Extreme Heat Watch
2026-09-04T20:00:00-05:00

* WHAT...For the Heat Advisory, heat index values up to 103 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 107 possible. * WHERE...Portions of southern Illinois, southwest Indiana, western Kentucky, and southeast Missouri. * WHEN...For the Heat Advisory, from 10 AM CDT /11 AM EDT/ Monday to 10 AM CDT /11 AM EDT/ Tuesday. For the Extreme Heat Watch, from Tuesday morning through Friday evening. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events. Hot temperatures and high humidity may cause heat illnesses.

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 43.21
08-11 7.99
08-12 4.78
08-13 3.91
08-14 36.94
08-15 24.94
08-16 8.03
08-17 41.84
08-18 94.42
08-19 43.4
08-20 6.2
08-21 17.09
08-22 136.55
08-23 26.05
08-24 12.42
08-25 3.56
08-26 2.67
08-27 15.85
08-28 6.17
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