Heat Advisory
2026-07-21T21:00:00-05:00

* WHAT...Heat index values up to 105. * WHERE...Bibb, Blount, Etowah, Fayette, Greene, Hale, Jefferson, Lamar, Marion, Pickens, Shelby, St. Clair, Sumter, Tuscaloosa, Walker, and Winston Counties. * WHEN...Until 9 PM CDT Tuesday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Cahaba River Near Hoover, Al Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011
01-01 710.46
01-02 678.56
01-03 1098.48
01-04 1237.0
01-05 1677.08
01-06 722.09
01-07 500.28
01-08 372.95
01-09 385.66
01-10 559.08
01-11 557.5
01-12 652.5
01-13 493.83
01-14 668.58
01-15 802.76
01-16 775.82
01-17 619.68
01-18 551.3
01-19 458.55
01-20 487.21
01-21 388.87
01-22 396.56
01-23 500.65
01-24 871.04
01-25 740.1
01-26 973.5
01-27 999.36
01-28 640.24
01-29 456.46
01-30 389.51
01-31 570.82
02-01 399.29
02-02 304.68
02-03 442.81
02-04 1055.29
02-05 847.35
02-06 1249.08
02-07 1090.23
02-08 969.96
02-09 461.0
02-10 356.8
02-11 1013.8
02-12 1201.99
02-13 1482.75
02-14 890.53
02-15 573.43
02-16 575.19
02-17 722.14
02-18 990.58
02-19 1226.88
02-20 866.9
02-21 900.7
02-22 1113.26
02-23 1101.23
02-24 1201.82
02-25 1179.81
02-26 799.88
02-27 835.86
02-28 814.11
02-29 385.5
03-01 573.22
03-02 592.04
03-03 762.29
03-04 1211.5
03-05 990.29
03-06 986.29
03-07 728.07
03-08 512.79
03-09 516.21
03-10 796.29
03-11 705.07
03-12 787.57
03-13 846.36
03-14 574.5
03-15 436.57
03-16 531.29
03-17 992.07
03-18 771.5
03-19 784.13
03-20 516.26
03-21 373.97
03-22 297.29
03-23 486.13
03-24 973.9
03-25 720.79
03-26 912.07
03-27 767.37
03-28 451.75
03-29 642.19
03-30 444.83
03-31 536.58
04-01 682.37
04-02 518.81
04-03 385.91
04-04 715.93
04-05 464.18
04-06 674.48
04-07 797.09
04-08 1570.61
04-09 953.0
04-10 593.7
04-11 863.49
04-12 729.9
04-13 737.67
04-14 703.14
04-15 1143.7
04-16 1070.64
04-17 978.89
04-18 696.99
04-19 888.18
04-20 1181.38
04-21 761.54
04-22 431.36
04-23 407.19
04-24 542.89
04-25 375.11
04-26 466.67
04-27 365.52
04-28 267.29
04-29 325.01
04-30 358.34
05-01 298.99
05-02 202.71
05-03 233.85
05-04 250.83
05-05 427.61
05-06 226.59
05-07 222.99
05-08 240.43
05-09 163.91
05-10 138.27
05-11 239.55
05-12 240.43
05-13 457.54
05-14 262.33
05-15 153.74
05-16 202.86
05-17 119.64
05-18 355.43
05-19 765.25
05-20 189.77
05-21 228.65
05-22 105.3
05-23 150.46
05-24 226.0
05-25 203.85
05-26 153.29
05-27 272.44
05-28 390.15
05-29 291.42
05-30 315.79
05-31 273.86
06-01 185.97
06-02 255.89
06-03 156.34
06-04 105.94
06-05 89.4
06-06 138.76
06-07 364.31
06-08 469.01
06-09 861.04
06-10 520.32
06-11 348.71
06-12 339.76
06-13 243.78
06-14 149.55
06-15 121.74
06-16 147.85
06-17 185.89
06-18 209.23
06-19 524.54
06-20 622.29
06-21 574.52
06-22 276.49
06-23 633.02
06-24 685.24
06-25 467.11
06-26 267.17
06-27 232.1
06-28 293.39
06-29 234.74
06-30 524.14
07-01 388.66
07-02 348.29
07-03 210.69
07-04 172.24
07-05 231.14
07-06 191.45
07-07 297.52
07-08 269.59
07-09 167.28
07-10 235.29
07-11 341.51
07-12 225.18
07-13 150.55
07-14 184.64
07-15 156.34
07-16 128.19
07-17 185.47
07-18 180.05
07-19 122.21
07-20 506.56
07-21 260.37
07-22 577.68
07-23 247.38
07-24 332.99
07-25 318.87
07-26 179.79
07-27 125.64
07-28 129.46
07-29 128.55
07-30 102.78
07-31 116.82
08-01 381.68
08-02 471.54
08-03 152.07
08-04 101.91
08-05 253.67
08-06 105.63
08-07 92.07
08-08 186.98
08-09 203.87
08-10 174.29
08-11 315.56
08-12 322.74
08-13 168.36
08-14 198.29
08-15 94.1
08-16 97.26
08-17 71.55
08-18 58.6
08-19 65.75
08-20 107.46
08-21 79.75
08-22 65.65
08-23 68.58
08-24 62.15
08-25 53.59
08-26 36.39
08-27 58.36
08-28 72.07
08-29 63.34
08-30 40.29
08-31 109.94
09-01 281.96
09-02 108.81
09-03 107.98
09-04 208.89
09-05 169.2
09-06 479.94
09-07 251.56
09-08 96.71
09-09 61.93
09-10 63.35
09-11 50.04
09-12 72.66
09-13 85.17
09-14 62.89
09-15 35.67
09-16 41.75
09-17 67.57
09-18 53.87
09-19 246.64
09-20 167.12
09-21 369.6
09-22 196.83
09-23 201.2
09-24 192.78
09-25 149.31
09-26 61.54
09-27 53.22
09-28 55.41
09-29 46.69
09-30 32.24
10-01 40.2
10-02 44.7
10-03 40.05
10-04 32.01
10-05 156.53
10-06 185.61
10-07 751.24
10-08 293.85
10-09 249.23
10-10 125.75
10-11 147.31
10-12 76.75
10-13 56.15
10-14 51.12
10-15 103.3
10-16 57.69
10-17 43.01
10-18 31.43
10-19 38.35
10-20 33.31
10-21 24.16
10-22 30.66
10-23 31.79
10-24 69.01
10-25 43.1
10-26 56.55
10-27 38.53
10-28 31.29
10-29 98.64
10-30 189.3
10-31 180.43
11-01 181.16
11-02 68.15
11-03 41.64
11-04 27.94
11-05 29.46
11-06 25.69
11-07 24.91
11-08 95.64
11-09 52.68
11-10 38.02
11-11 31.03
11-12 38.37
11-13 186.09
11-14 68.03
11-15 64.31
11-16 61.5
11-17 319.19
11-18 172.06
11-19 60.9
11-20 35.67
11-21 43.0
11-22 35.66
11-23 38.35
11-24 144.35
11-25 81.65
11-26 77.36
11-27 151.23
11-28 171.89
11-29 225.21
11-30 147.13
12-01 252.23
12-02 273.48
12-03 205.19
12-04 114.7
12-05 74.86
12-06 72.65
12-07 343.23
12-08 280.47
12-09 593.09
12-10 476.57
12-11 314.78
12-12 260.83
12-13 213.77
12-14 159.55
12-15 386.42
12-16 308.5
12-17 268.3
12-18 239.85
12-19 410.94
12-20 239.67
12-21 537.66
12-22 291.54
12-23 749.82
12-24 681.22
12-25 642.39
12-26 944.25
12-27 830.61
12-28 835.64
12-29 1904.19
12-30 979.09
12-31 1033.48

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index