Heat Advisory
2026-07-21T19:00:00-05:00

* WHAT...Heat index values of 100 to 110 at times. * WHERE...Portions of south central and southwest Illinois and central, east central, and southeast Missouri. * WHEN...Until 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Little Crooked Creek Near New Minden, 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
01-01 172.88
01-02 216.88
01-03 53.34
01-04 90.56
01-05 35.81
01-06 11.69
01-07 6.6
01-08 6.6
01-09 10.49
01-10 87.05
01-11 224.73
01-12 527.33
01-13 239.61
01-14 335.58
01-15 63.83
01-16 24.73
01-17 80.24
01-18 64.29
01-19 302.43
01-20 238.03
01-21 22.54
01-22 14.03
01-23 68.48
01-24 528.74
01-25 223.99
01-26 236.21
01-27 264.1
01-28 70.1
01-29 49.04
01-30 114.24
01-31 363.28
02-01 152.76
02-02 34.37
02-03 18.81
02-04 13.0
02-05 110.09
02-06 89.74
02-07 332.79
02-08 320.03
02-09 34.84
02-10 86.32
02-11 168.48
02-12 124.58
02-13 243.3
02-14 77.11
02-15 30.29
02-16 146.11
02-17 177.95
02-18 658.92
02-19 100.49
02-20 66.41
02-21 158.97
02-22 125.35
02-23 96.17
02-24 118.92
02-25 76.04
02-26 52.69
02-27 174.99
02-28 100.53
02-29 7.75
03-01 147.78
03-02 35.62
03-03 68.57
03-04 224.53
03-05 164.21
03-06 205.62
03-07 87.45
03-08 235.45
03-09 38.4
03-10 91.63
03-11 105.09
03-12 136.78
03-13 110.33
03-14 231.64
03-15 360.59
03-16 164.95
03-17 35.89
03-18 264.49
03-19 276.62
03-20 250.29
03-21 103.97
03-22 21.01
03-23 28.89
03-24 101.72
03-25 307.55
03-26 207.03
03-27 126.03
03-28 164.8
03-29 95.31
03-30 206.9
03-31 254.49
04-01 185.07
04-02 35.65
04-03 76.59
04-04 323.69
04-05 600.7
04-06 522.84
04-07 201.41
04-08 43.35
04-09 30.21
04-10 58.92
04-11 67.76
04-12 91.4
04-13 65.68
04-14 103.59
04-15 272.66
04-16 38.12
04-17 55.73
04-18 21.8
04-19 118.01
04-20 199.15
04-21 41.26
04-22 135.36
04-23 20.33
04-24 37.77
04-25 141.45
04-26 304.12
04-27 217.64
04-28 73.12
04-29 245.46
04-30 748.35
05-01 435.92
05-02 47.75
05-03 157.03
05-04 264.08
05-05 403.56
05-06 122.93
05-07 97.01
05-08 34.67
05-09 107.9
05-10 146.99
05-11 35.15
05-12 298.35
05-13 70.2
05-14 21.02
05-15 88.24
05-16 44.58
05-17 97.25
05-18 165.79
05-19 71.42
05-20 30.38
05-21 89.43
05-22 146.8
05-23 148.37
05-24 23.86
05-25 13.18
05-26 63.53
05-27 80.11
05-28 149.93
05-29 92.29
05-30 55.14
05-31 58.09
06-01 169.14
06-02 295.46
06-03 50.24
06-04 11.33
06-05 82.49
06-06 45.58
06-07 17.95
06-08 11.53
06-09 9.49
06-10 18.9
06-11 43.99
06-12 26.3
06-13 8.88
06-14 6.37
06-15 159.91
06-16 94.52
06-17 26.37
06-18 60.12
06-19 230.28
06-20 139.49
06-21 22.14
06-22 131.82
06-23 230.7
06-24 32.28
06-25 36.16
06-26 31.79
06-27 262.87
06-28 122.11
06-29 84.75
06-30 28.99
07-01 101.09
07-02 172.54
07-03 206.11
07-04 112.72
07-05 85.67
07-06 14.36
07-07 9.01
07-08 85.91
07-09 140.32
07-10 18.88
07-11 75.64
07-12 103.86
07-13 14.72
07-14 10.49
07-15 7.77
07-16 7.66
07-17 271.23
07-18 125.36
07-19 12.74
07-20 6.61
07-21 18.5
07-22 22.37
07-23 48.08
07-24 16.71
07-25 7.36
07-26 6.52
07-27 524.32
07-28 107.06
07-29 91.76
07-30 17.09
07-31 8.1
08-01 110.49
08-02 254.27
08-03 19.43
08-04 60.79
08-05 48.67
08-06 20.12
08-07 7.37
08-08 12.35
08-09 23.8
08-10 70.24
08-11 55.23
08-12 15.16
08-13 16.98
08-14 76.45
08-15 135.37
08-16 301.0
08-17 173.66
08-18 191.54
08-19 18.22
08-20 2.06
08-21 4.91
08-22 37.76
08-23 4.47
08-24 2.23
08-25 73.87
08-26 3.28
08-27 2.02
08-28 4.27
08-29 9.76
08-30 2.48
08-31 28.47
09-01 6.05
09-02 90.73
09-03 188.55
09-04 6.03
09-05 1.92
09-06 7.84
09-07 2.13
09-08 44.15
09-09 358.05
09-10 212.48
09-11 142.08
09-12 12.11
09-13 3.94
09-14 3.18
09-15 2.56
09-16 2.44
09-17 65.43
09-18 163.33
09-19 11.03
09-20 4.42
09-21 3.38
09-22 9.45
09-23 3.0
09-24 2.66
09-25 2.07
09-26 30.11
09-27 100.89
09-28 18.5
09-29 6.3
09-30 52.27
10-01 5.92
10-02 2.99
10-03 45.73
10-04 91.79
10-05 5.15
10-06 5.96
10-07 9.07
10-08 3.43
10-09 2.74
10-10 3.48
10-11 19.02
10-12 8.12
10-13 4.14
10-14 41.75
10-15 11.3
10-16 6.25
10-17 5.36
10-18 5.36
10-19 20.4
10-20 10.28
10-21 17.65
10-22 3.8
10-23 2.45
10-24 42.39
10-25 14.86
10-26 7.91
10-27 99.65
10-28 57.54
10-29 67.94
10-30 152.58
10-31 12.56
11-01 13.66
11-02 54.47
11-03 24.68
11-04 14.33
11-05 9.43
11-06 79.9
11-07 21.78
11-08 6.55
11-09 4.7
11-10 12.39
11-11 4.24
11-12 4.49
11-13 58.1
11-14 6.91
11-15 27.15
11-16 34.85
11-17 5.9
11-18 4.82
11-19 4.85
11-20 6.25
11-21 7.35
11-22 76.53
11-23 214.19
11-24 29.82
11-25 27.13
11-26 135.43
11-27 23.29
11-28 88.78
11-29 159.62
11-30 84.58
12-01 213.06
12-02 124.72
12-03 15.55
12-04 9.8
12-05 15.88
12-06 223.48
12-07 181.25
12-08 19.64
12-09 9.57
12-10 7.45
12-11 6.54
12-12 6.33
12-13 14.85
12-14 8.82
12-15 106.47
12-16 359.93
12-17 69.81
12-18 80.32
12-19 193.83
12-20 39.63
12-21 49.17
12-22 141.35
12-23 149.06
12-24 147.41
12-25 52.69
12-26 14.19
12-27 200.38
12-28 334.66
12-29 32.36
12-30 214.72
12-31 36.8

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index