Overview Realtime Historical Map View
Heat Advisory
2026-07-21T19:00:00-05:00

* WHAT...Heat index values between 100 to 105 expected. * WHERE...Portions of southern Illinois, western Kentucky, and southeast Missouri. * WHEN...From noon Saturday to 7 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Higher humidity levels combined with hot temperatures on Tuesday may cause heat index values to near 110 degrees.

Massac Creek Near Paducah, Ky 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 12.61
01-02 20.57
01-03 131.06
01-04 16.91
01-05 12.04
01-06 11.87
01-07 6.92
01-08 6.41
01-09 28.31
01-10 35.63
01-11 58.52
01-12 29.27
01-13 28.78
01-14 18.65
01-15 10.55
01-16 8.97
01-17 8.88
01-18 9.1
01-19 29.39
01-20 14.68
01-21 12.35
01-22 8.9
01-23 13.65
01-24 22.24
01-25 37.65
01-26 29.75
01-27 26.77
01-28 25.74
01-29 8.57
01-30 53.71
01-31 58.01
02-01 10.88
02-02 15.16
02-03 11.41
02-04 9.98
02-05 40.87
02-06 20.29
02-07 118.81
02-08 20.84
02-09 37.5
02-10 14.37
02-11 44.98
02-12 66.36
02-13 27.46
02-14 14.32
02-15 14.41
02-16 64.1
02-17 31.16
02-18 38.84
02-19 59.02
02-20 218.62
02-21 35.04
02-22 126.37
02-23 121.81
02-24 71.84
02-25 50.97
02-26 21.16
02-27 20.07
02-28 26.27
02-29 9.99
03-01 33.63
03-02 43.39
03-03 282.0
03-04 356.75
03-05 259.5
03-06 247.73
03-07 14.86
03-08 25.44
03-09 38.17
03-10 48.44
03-11 32.29
03-12 20.74
03-13 45.52
03-14 173.47
03-15 36.34
03-16 27.94
03-17 36.77
03-18 32.92
03-19 22.08
03-20 34.65
03-21 14.12
03-22 14.53
03-23 31.41
03-24 14.02
03-25 61.17
03-26 45.33
03-27 13.98
03-28 34.56
03-29 16.92
03-30 17.31
03-31 59.67
04-01 18.56
04-02 17.94
04-03 89.11
04-04 93.68
04-05 102.58
04-06 79.89
04-07 21.75
04-08 14.89
04-09 12.01
04-10 9.82
04-11 8.97
04-12 79.73
04-13 13.04
04-14 72.49
04-15 26.82
04-16 25.26
04-17 12.87
04-18 15.92
04-19 127.18
04-20 22.76
04-21 13.5
04-22 11.89
04-23 111.59
04-24 20.04
04-25 11.08
04-26 12.79
04-27 107.04
04-28 35.38
04-29 35.35
04-30 38.61
05-01 23.0
05-02 97.18
05-03 218.74
05-04 35.61
05-05 65.44
05-06 15.21
05-07 16.89
05-08 8.08
05-09 8.44
05-10 10.72
05-11 7.39
05-12 8.77
05-13 18.89
05-14 11.86
05-15 48.24
05-16 9.8
05-17 7.94
05-18 15.36
05-19 18.1
05-20 94.38
05-21 10.2
05-22 36.41
05-23 8.94
05-24 5.14
05-25 4.51
05-26 7.98
05-27 11.67
05-28 9.93
05-29 7.86
05-30 22.69
05-31 8.91
06-01 6.54
06-02 17.53
06-03 7.25
06-04 6.4
06-05 108.68
06-06 4.77
06-07 8.05
06-08 7.38
06-09 9.16
06-10 3.8
06-11 4.06
06-12 2.44
06-13 2.56
06-14 2.61
06-15 6.13
06-16 3.16
06-17 3.66
06-18 3.39
06-19 8.75
06-20 5.64
06-21 2.12
06-22 4.59
06-23 3.49
06-24 4.76
06-25 2.68
06-26 1.82
06-27 6.48
06-28 9.51
06-29 3.86
06-30 2.8
07-01 3.85
07-02 9.73
07-03 3.94
07-04 3.94
07-05 9.05
07-06 7.42
07-07 3.97
07-08 5.72
07-09 20.41
07-10 5.61
07-11 75.44
07-12 5.93
07-13 55.18
07-14 17.36
07-15 3.93
07-16 3.49
07-17 3.71
07-18 12.45
07-19 8.58
07-20 9.6
07-21 8.48
07-22 7.07
07-23 16.05
07-24 5.3
07-25 5.12
07-26 4.42
07-27 4.22
07-28 15.23
07-29 4.05
07-30 4.87
07-31 73.63
08-01 4.82
08-02 5.5
08-03 4.82
08-04 7.11
08-05 5.12
08-06 17.17
08-07 8.08
08-08 5.71
08-09 7.76
08-10 5.5
08-11 8.85
08-12 3.93
08-13 7.87
08-14 6.47
08-15 6.45
08-16 6.95
08-17 4.66
08-18 20.98
08-19 4.6
08-20 3.63
08-21 4.7
08-22 4.02
08-23 4.92
08-24 3.49
08-25 3.27
08-26 3.22
08-27 7.81
08-28 3.34
08-29 3.32
08-30 3.46
08-31 3.03
09-01 3.28
09-02 62.05
09-03 7.09
09-04 3.21
09-05 4.81
09-06 4.91
09-07 3.28
09-08 3.79
09-09 3.55
09-10 3.25
09-11 3.23
09-12 3.32
09-13 3.55
09-14 3.33
09-15 4.59
09-16 3.36
09-17 3.35
09-18 3.45
09-19 3.7
09-20 2.46
09-21 2.62
09-22 2.94
09-23 3.14
09-24 2.66
09-25 4.32
09-26 8.41
09-27 2.84
09-28 2.94
09-29 2.69
09-30 2.85
10-01 2.7
10-02 2.24
10-03 2.59
10-04 1.39
10-05 1.45
10-06 120.11
10-07 3.52
10-08 2.52
10-09 3.46
10-10 4.56
10-11 5.43
10-12 5.58
10-13 2.53
10-14 5.87
10-15 2.7
10-16 4.75
10-17 4.0
10-18 4.94
10-19 5.49
10-20 18.12
10-21 6.03
10-22 1.94
10-23 1.79
10-24 5.14
10-25 2.92
10-26 2.83
10-27 10.27
10-28 5.05
10-29 102.17
10-30 19.25
10-31 7.13
11-01 77.58
11-02 6.6
11-03 3.94
11-04 3.28
11-05 3.09
11-06 12.4
11-07 4.93
11-08 4.07
11-09 3.95
11-10 2.67
11-11 2.41
11-12 2.79
11-13 2.75
11-14 2.92
11-15 8.08
11-16 5.0
11-17 4.79
11-18 5.65
11-19 2.39
11-20 2.09
11-21 6.5
11-22 44.13
11-23 9.15
11-24 11.11
11-25 4.35
11-26 7.13
11-27 23.36
11-28 13.39
11-29 30.33
11-30 12.62
12-01 36.91
12-02 8.37
12-03 5.3
12-04 4.16
12-05 59.48
12-06 22.84
12-07 6.71
12-08 4.4
12-09 4.03
12-10 11.41
12-11 5.22
12-12 2.72
12-13 2.53
12-14 27.94
12-15 33.82
12-16 8.14
12-17 10.67
12-18 11.17
12-19 5.14
12-20 3.5
12-21 10.65
12-22 114.88
12-23 81.35
12-24 31.77
12-25 8.52
12-26 6.42
12-27 10.57
12-28 33.16
12-29 16.26
12-30 21.44
12-31 28.55

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index