Overview Realtime Historical Map View
Extreme Heat Warning
2026-08-16T20:00:00-05:00

* WHAT...Dangerously hot conditions with heat index values 110 degrees or greater. * WHERE...Portions of East Arkansas, North Mississippi, and Southeast Missouri. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Heat related illnesses increase significantly during extreme heat and high humidity events.

Mississippi River At Memphis, Tn Historical Data

Historical Data


Streamflow Range


Date Average 2026 2025 2024 2023 2022 2021 2020 2019 2018 2017 2016
01-01 474000.0
01-02 496571.43
01-03 530285.71
01-04 566714.29
01-05 594285.71
01-06 625142.86
01-07 659000.0
01-08 687571.43
01-09 703285.71
01-10 714285.71
01-11 717857.14
01-12 727000.0
01-13 730857.14
01-14 730714.29
01-15 729714.29
01-16 727428.57
01-17 673125.0
01-18 675428.57
01-19 667875.0
01-20 665250.0
01-21 656625.0
01-22 644250.0
01-23 678571.43
01-24 623000.0
01-25 609375.0
01-26 602500.0
01-27 600250.0
01-28 617750.0
01-29 624875.0
01-30 600000.0
01-31 613333.33
02-01 623666.67
02-02 627000.0
02-03 632555.56
02-04 637111.11
02-05 639666.67
02-06 675125.0
02-07 649000.0
02-08 647625.0
02-09 639222.22
02-10 640666.67
02-11 644125.0
02-12 672555.56
02-13 710000.0
02-14 696000.0
02-15 717222.22
02-16 740111.11
02-17 687375.0
02-18 704875.0
02-19 793777.78
02-20 822888.89
02-21 848888.89
02-22 871777.78
02-23 895555.56
02-24 915555.56
02-25 918375.0
02-26 929000.0
02-27 970111.11
02-28 989222.22
02-29 956500.0
03-01 1001333.33
03-02 1009777.78
03-03 1011888.89
03-04 1011111.11
03-05 1002888.89
03-06 1010111.11
03-07 1015222.22
03-08 1025111.11
03-09 1032888.89
03-10 1041333.33
03-11 1031333.33
03-12 1044333.33
03-13 1041000.0
03-14 1032250.0
03-15 1033375.0
03-16 1030000.0
03-17 1020875.0
03-18 1016875.0
03-19 1012125.0
03-20 963222.22
03-21 957000.0
03-22 919250.0
03-23 896000.0
03-24 874444.44
03-25 853000.0
03-26 839666.67
03-27 824888.89
03-28 815888.89
03-29 807900.0
03-30 808900.0
03-31 815200.0
04-01 819000.0
04-02 822600.0
04-03 829500.0
04-04 848700.0
04-05 864800.0
04-06 895700.0
04-07 923000.0
04-08 948400.0
04-09 944444.44
04-10 977400.0
04-11 982200.0
04-12 1004444.44
04-13 994333.33
04-14 985333.33
04-15 971000.0
04-16 956888.89
04-17 953444.44
04-18 944333.33
04-19 937000.0
04-20 928555.56
04-21 913444.44
04-22 901111.11
04-23 892777.78
04-24 883444.44
04-25 858875.0
04-26 868111.11
04-27 863777.78
04-28 853111.11
04-29 840444.44
04-30 818875.0
05-01 821333.33
05-02 795750.0
05-03 797875.0
05-04 803625.0
05-05 839666.67
05-06 834888.89
05-07 836777.78
05-08 784875.0
05-09 846333.33
05-10 857888.89
05-11 871888.89
05-12 884555.56
05-13 890222.22
05-14 830000.0
05-15 897375.0
05-16 883000.0
05-17 865625.0
05-18 818888.89
05-19 795444.44
05-20 793250.0
05-21 765222.22
05-22 758777.78
05-23 765666.67
05-24 757400.0
05-25 763600.0
05-26 763900.0
05-27 761500.0
05-28 759100.0
05-29 755600.0
05-30 750700.0
05-31 746400.0
06-01 743200.0
06-02 737500.0
06-03 738000.0
06-04 740200.0
06-05 739000.0
06-06 751888.89
06-07 737111.11
06-08 701600.0
06-09 680800.0
06-10 658400.0
06-11 641900.0
06-12 635200.0
06-13 640600.0
06-14 637700.0
06-15 628500.0
06-16 618200.0
06-17 610300.0
06-18 602400.0
06-19 612000.0
06-20 610111.11
06-21 605111.11
06-22 602222.22
06-23 603666.67
06-24 604333.33
06-25 606333.33
06-26 610555.56
06-27 611777.78
06-28 615888.89
06-29 615777.78
06-30 623000.0
07-01 641888.89
07-02 657333.33
07-03 667888.89
07-04 670111.11
07-05 636800.0
07-06 633100.0
07-07 655555.56
07-08 640111.11
07-09 617666.67
07-10 592300.0
07-11 573600.0
07-12 559900.0
07-13 489666.67
07-14 546600.0
07-15 535500.0
07-16 524500.0
07-17 512600.0
07-18 498300.0
07-19 489100.0
07-20 478900.0
07-21 478700.0
07-22 490600.0
07-23 491100.0
07-24 486400.0
07-25 478400.0
07-26 469300.0
07-27 461300.0
07-28 452600.0
07-29 446400.0
07-30 441100.0
07-31 437100.0
08-01 404750.0
08-02 433800.0
08-03 437400.0
08-04 439300.0
08-05 440500.0
08-06 442200.0
08-07 440100.0
08-08 433300.0
08-09 422000.0
08-10 410100.0
08-11 399300.0
08-12 386700.0
08-13 379500.0
08-14 370900.0
08-15 366100.0
08-16 357250.0
08-17 363000.0
08-18 371750.0
08-19 382333.33
08-20 371111.11
08-21 368222.22
08-22 377125.0
08-23 362777.78
08-24 345750.0
08-25 347500.0
08-26 355555.56
08-27 350000.0
08-28 345333.33
08-29 344000.0
08-30 339333.33
08-31 322500.0
09-01 342444.44
09-02 344777.78
09-03 349555.56
09-04 352444.44
09-05 354000.0
09-06 362555.56
09-07 369666.67
09-08 369777.78
09-09 364888.89
09-10 355888.89
09-11 351222.22
09-12 349000.0
09-13 349666.67
09-14 355000.0
09-15 358333.33
09-16 357111.11
09-17 353888.89
09-18 355444.44
09-19 355000.0
09-20 351555.56
09-21 351444.44
09-22 350111.11
09-23 348111.11
09-24 345333.33
09-25 342555.56
09-26 340666.67
09-27 361500.0
09-28 363625.0
09-29 373625.0
09-30 393285.71
10-01 334000.0
10-02 297714.29
10-03 271875.0
10-04 286000.0
10-05 341777.78
10-06 344888.89
10-07 348222.22
10-08 348222.22
10-09 341222.22
10-10 336555.56
10-11 340666.67
10-12 346444.44
10-13 372625.0
10-14 377000.0
10-15 376000.0
10-16 329000.0
10-17 419714.29
10-18 382125.0
10-19 353555.56
10-20 356777.78
10-21 294875.0
10-22 361222.22
10-23 362666.67
10-24 362444.44
10-25 358111.11
10-26 353888.89
10-27 356666.67
10-28 356777.78
10-29 359333.33
10-30 365333.33
10-31 378555.56
11-01 385000.0
11-02 400000.0
11-03 413222.22
11-04 424888.89
11-05 395125.0
11-06 410000.0
11-07 407375.0
11-08 400250.0
11-09 394125.0
11-10 388750.0
11-11 390375.0
11-12 391000.0
11-13 389125.0
11-14 412222.22
11-15 410555.56
11-16 406777.78
11-17 405000.0
11-18 398111.11
11-19 395777.78
11-20 392777.78
11-21 388000.0
11-22 390875.0
11-23 379333.33
11-24 381750.0
11-25 384000.0
11-26 390222.22
11-27 394777.78
11-28 398666.67
11-29 399555.56
11-30 400777.78
12-01 398000.0
12-02 398888.89
12-03 404000.0
12-04 407111.11
12-05 414777.78
12-06 439875.0
12-07 436888.89
12-08 447777.78
12-09 455777.78
12-10 458111.11
12-11 454111.11
12-12 449777.78
12-13 439000.0
12-14 425555.56
12-15 416333.33
12-16 412111.11
12-17 423750.0
12-18 432250.0
12-19 439250.0
12-20 449375.0
12-21 457625.0
12-22 463500.0
12-23 479000.0
12-24 485250.0
12-25 486125.0
12-26 485750.0
12-27 498428.57
12-28 490571.43
12-29 475857.14
12-30 467714.29
12-31 462571.43

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index