Overview Realtime Historical Map View
Heat Advisory
2026-09-15T19:00:00-05:00

* WHAT...Heat index values up to 110 degrees expected. * WHERE...Portions of central and south Mississippi, southeast Arkansas, and northeast Louisiana. * WHEN...From 11 AM this morning to 7 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat related illnesses.

Bayou Bartholomew Near Portland, Ar 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 1867.52
01-02 2189.88
01-03 2266.72
01-04 2362.9
01-05 2481.03
01-06 2596.91
01-07 2645.04
01-08 2656.91
01-09 2654.24
01-10 2688.26
01-11 2743.0
01-12 2758.55
01-13 2783.87
01-14 2902.52
01-15 2886.09
01-16 2878.09
01-17 2694.8
01-18 2834.4
01-19 2586.95
01-20 2509.65
01-21 2460.34
01-22 2374.18
01-23 2145.34
01-24 2363.92
01-25 2417.39
01-26 2642.18
01-27 2649.27
01-28 2405.46
01-29 2381.18
01-30 2235.2
01-31 2183.35
02-01 2129.43
02-02 1917.08
02-03 1856.23
02-04 1935.83
02-05 1928.0
02-06 2102.1
02-07 1968.8
02-08 1969.0
02-09 1913.25
02-10 2211.91
02-11 2200.38
02-12 2358.62
02-13 2533.62
02-14 2662.46
02-15 2654.43
02-16 2718.43
02-17 2487.33
02-18 2596.09
02-19 2971.0
02-20 2799.69
02-21 2811.69
02-22 2752.0
02-23 2916.5
02-24 3059.86
02-25 2808.69
02-26 2861.54
02-27 2943.77
02-28 2971.62
02-29 3265.0
03-01 2927.46
03-02 2930.69
03-03 2907.54
03-04 2879.46
03-05 2871.0
03-06 2862.23
03-07 3228.14
03-08 3184.14
03-09 3158.5
03-10 3440.57
03-11 3571.79
03-12 3307.38
03-13 3346.08
03-14 3359.62
03-15 3370.0
03-16 3461.54
03-17 3525.38
03-18 3352.0
03-19 3165.77
03-20 3338.36
03-21 3294.64
03-22 3228.62
03-23 3534.93
03-24 3545.07
03-25 3556.8
03-26 3603.13
03-27 3597.6
03-28 3518.53
03-29 3488.47
03-30 3478.67
03-31 3236.14
04-01 3472.6
04-02 3408.4
04-03 3354.93
04-04 3292.53
04-05 3222.2
04-06 3235.8
04-07 3339.47
04-08 3465.27
04-09 3387.86
04-10 3433.09
04-11 3500.19
04-12 3495.23
04-13 3496.64
04-14 3606.22
04-15 3636.51
04-16 3639.14
04-17 3637.13
04-18 3605.68
04-19 3553.46
04-20 3496.01
04-21 3406.09
04-22 3312.5
04-23 3234.41
04-24 3156.26
04-25 2947.48
04-26 3034.24
04-27 2975.61
04-28 2915.25
04-29 2853.46
04-30 2927.12
05-01 2633.53
05-02 2687.86
05-03 2615.36
05-04 2543.64
05-05 2415.31
05-06 2376.76
05-07 2315.79
05-08 2235.65
05-09 2172.8
05-10 2145.93
05-11 2075.27
05-12 1998.2
05-13 1935.81
05-14 1769.14
05-15 1794.1
05-16 1721.23
05-17 1642.46
05-18 1538.84
05-19 1498.3
05-20 1496.22
05-21 1395.75
05-22 1340.67
05-23 1282.07
05-24 1231.93
05-25 1189.93
05-26 1158.47
05-27 1177.53
05-28 1218.91
05-29 1242.8
05-30 1244.87
05-31 1259.0
06-01 1226.4
06-02 1183.47
06-03 1141.6
06-04 1090.8
06-05 1088.14
06-06 1026.07
06-07 987.71
06-08 911.73
06-09 899.33
06-10 874.4
06-11 896.13
06-12 954.64
06-13 1032.07
06-14 1116.47
06-15 1140.47
06-16 1183.98
06-17 1198.17
06-18 1195.37
06-19 1227.42
06-20 1199.47
06-21 1178.02
06-22 1156.79
06-23 1152.71
06-24 1161.29
06-25 1212.5
06-26 1229.43
06-27 1212.07
06-28 1174.43
06-29 1129.14
06-30 1072.34
07-01 1009.12
07-02 947.09
07-03 891.09
07-04 846.5
07-05 773.8
07-06 759.4
07-07 743.7
07-08 719.09
07-09 710.11
07-10 661.13
07-11 665.87
07-12 642.57
07-13 684.07
07-14 677.93
07-15 698.4
07-16 727.11
07-17 756.84
07-18 781.33
07-19 829.53
07-20 857.13
07-21 866.67
07-22 862.73
07-23 855.07
07-24 850.27
07-25 755.88
07-26 821.04
07-27 825.9
07-28 806.85
07-29 802.98
07-30 796.88
07-31 790.37
08-01 773.47
08-02 375.21
08-03 370.35
08-04 363.53
08-05 354.25
08-06 337.39
08-07 319.15
08-08 320.54
08-09 325.82
08-10 308.18
08-11 272.61
08-12 267.45
08-13 250.54
08-14 254.59
08-15 276.65
08-16 295.81
08-17 321.44
08-18 362.62
08-19 371.28
08-20 400.26
08-21 427.98
08-22 343.42
08-23 437.63
08-24 389.92
08-25 390.19
08-26 460.58
08-27 449.91
08-28 433.15
08-29 410.54
08-30 383.93
08-31 386.19
09-01 384.89
09-02 391.24
09-03 398.45
09-04 387.97
09-05 387.38
09-06 377.3
09-07 364.71
09-08 344.3
09-09 325.53
09-10 308.83
09-11 293.68
09-12 277.21
09-13 261.97
09-14 252.95
09-15 241.01
09-16 237.9
09-17 227.2
09-18 232.66
09-19 228.19
09-20 221.46
09-21 210.08
09-22 217.59
09-23 207.71
09-24 224.56
09-25 233.18
09-26 245.51
09-27 248.07
09-28 248.86
09-29 245.63
09-30 263.55
10-01 257.45
10-02 241.6
10-03 237.88
10-04 237.78
10-05 249.66
10-06 257.52
10-07 264.83
10-08 260.68
10-09 246.64
10-10 240.24
10-11 268.85
10-12 261.56
10-13 286.3
10-14 297.98
10-15 331.14
10-16 302.35
10-17 326.14
10-18 305.43
10-19 297.44
10-20 289.59
10-21 280.83
10-22 299.71
10-23 277.39
10-24 272.88
10-25 281.64
10-26 289.05
10-27 303.68
10-28 299.81
10-29 286.95
10-30 274.01
10-31 261.99
11-01 286.45
11-02 334.45
11-03 318.44
11-04 311.03
11-05 301.36
11-06 267.02
11-07 265.93
11-08 293.08
11-09 306.76
11-10 306.22
11-11 294.12
11-12 282.13
11-13 304.87
11-14 321.08
11-15 324.6
11-16 318.61
11-17 308.29
11-18 308.15
11-19 297.81
11-20 276.67
11-21 359.53
11-22 372.36
11-23 347.99
11-24 282.46
11-25 385.62
11-26 368.13
11-27 377.41
11-28 317.4
11-29 394.07
11-30 409.83
12-01 444.22
12-02 467.32
12-03 497.29
12-04 513.43
12-05 535.26
12-06 578.85
12-07 590.45
12-08 632.93
12-09 743.41
12-10 736.07
12-11 779.02
12-12 800.46
12-13 794.56
12-14 727.38
12-15 776.59
12-16 804.77
12-17 1014.8
12-18 1051.24
12-19 1060.49
12-20 1003.6
12-21 1037.7
12-22 1076.22
12-23 1086.89
12-24 1108.17
12-25 1113.61
12-26 1148.44
12-27 1186.36
12-28 1335.9
12-29 1243.97
12-30 1601.57
12-31 1721.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index