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Flood Warning
2026-10-04T23:00:00-05:00

...The Flood Warning is extended for the following rivers in Iowa... Black Hawk Creek at Hudson affecting Black Hawk County. South Skunk River near Ames W Riverside Rd affecting Story County. South Skunk River near Ames US 30 affecting Polk and Story Counties. South Skunk River at Colfax affecting Polk, Marion and Jasper Counties. ...The Flood Warning continues for the following rivers in Iowa... Des Moines River at Des Moines SE 6th St affecting Polk, Warren and Marion Counties. Raccoon River at Des Moines Fleur Dr affecting Polk County. North Raccoon River near Perry affecting Dallas County. * WHAT...Minor flooding is forecast. * WHERE...South Skunk River at Colfax, or from the Jasper-Polk County Line to the Jasper-Marion County line. * WHEN...From Saturday afternoon to Sunday evening. * IMPACTS...At 19.0 feet, Water affects the earthen levee west of town near the sewage disposal area. Evacuations may occur on the northwest side of Colfax. Flooding occurs in Reasnor. * ADDITIONAL DETAILS... - At 9:45 AM CDT Friday the stage was 16.0 feet, and rising. - Forecast...The river is expected to rise above flood stage tomorrow afternoon to a crest of 18.4 feet Sunday morning. It will then fall below flood stage Sunday afternoon. - Flood stage is 18.0 feet.

South Skunk River At Colfax, Ia 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 1201.0
01-02 1086.0
01-03 1034.0
01-04 946.0
01-05 889.5
01-06 855.0
01-07 588.0
01-08 614.0
01-09 691.0
01-10 733.33
01-11 637.33
01-12 603.0
01-13 784.5
01-14 812.5
01-15 834.0
01-16 728.5
01-17 583.5
01-18 428.0
01-19 493.0
01-20 600.5
01-21 1113.0
01-22 1440.0
01-23 771.0
01-24 603.0
01-25 591.0
01-26 68.0
01-27 68.0
01-28 481.0
01-29 469.0
01-30 279.5
01-31 305.0
02-01 690.0
02-02 397.5
02-03 416.5
02-04 393.5
02-05 251.0
02-06 195.33
02-07 242.33
02-08 255.0
02-09 213.0
02-10 186.5
02-11 261.0
02-12 231.0
02-13 234.5
02-14 216.5
02-15 251.0
02-16 373.0
02-17 178.67
02-18 354.67
02-19 60.0
02-20 1109.0
02-21 2220.0
02-22 2087.0
02-23 1709.0
02-24 1467.5
02-25 1249.5
02-26 723.33
02-27 618.67
02-28 586.67
02-29 931.5
03-01 651.67
03-02 552.33
03-03 496.67
03-04 463.0
03-05 414.25
03-06 390.0
03-07 387.0
03-08 402.25
03-09 403.0
03-10 847.0
03-11 1216.29
03-12 841.38
03-13 602.2
03-14 979.0
03-15 1130.5
03-16 1243.17
03-17 1258.58
03-18 980.33
03-19 777.63
03-20 749.24
03-21 870.77
03-22 561.29
03-23 665.73
03-24 652.8
03-25 658.47
03-26 676.27
03-27 698.13
03-28 653.0
03-29 614.0
03-30 606.27
03-31 693.5
04-01 643.73
04-02 590.93
04-03 616.33
04-04 790.73
04-05 877.13
04-06 890.0
04-07 763.93
04-08 668.4
04-09 574.71
04-10 596.6
04-11 580.13
04-12 625.14
04-13 627.21
04-14 592.36
04-15 613.23
04-16 913.69
04-17 910.62
04-18 903.92
04-19 909.92
04-20 851.85
04-21 827.86
04-22 793.57
04-23 912.5
04-24 898.0
04-25 964.69
04-26 978.79
04-27 916.21
04-28 834.21
04-29 893.07
04-30 902.07
05-01 882.33
05-02 919.64
05-03 939.57
05-04 1025.14
05-05 1260.67
05-06 1257.87
05-07 1115.67
05-08 949.0
05-09 975.4
05-10 1105.64
05-11 1039.47
05-12 885.2
05-13 833.47
05-14 925.86
05-15 875.36
05-16 796.79
05-17 760.36
05-18 779.0
05-19 994.73
05-20 1085.29
05-21 1320.0
05-22 1428.0
05-23 1232.47
05-24 1065.93
05-25 1128.4
05-26 1481.13
05-27 1812.27
05-28 1523.64
05-29 1453.64
05-30 1338.86
05-31 1151.79
06-01 1517.53
06-02 1400.4
06-03 1200.73
06-04 1058.27
06-05 1017.5
06-06 1192.14
06-07 1252.29
06-08 1078.53
06-09 1042.33
06-10 941.87
06-11 993.87
06-12 1063.86
06-13 963.29
06-14 814.07
06-15 1280.93
06-16 1527.07
06-17 1542.33
06-18 1404.87
06-19 1573.36
06-20 1599.21
06-21 1596.57
06-22 1615.0
06-23 1473.64
06-24 1392.64
06-25 1518.64
06-26 1629.57
06-27 1565.0
06-28 1583.21
06-29 1514.57
06-30 1280.07
07-01 1510.93
07-02 1639.23
07-03 1609.04
07-04 1937.01
07-05 1804.8
07-06 1828.26
07-07 1908.79
07-08 1476.79
07-09 1159.62
07-10 942.61
07-11 820.2
07-12 843.13
07-13 1006.73
07-14 753.86
07-15 646.53
07-16 584.71
07-17 522.13
07-18 484.13
07-19 476.87
07-20 496.6
07-21 696.29
07-22 716.57
07-23 534.32
07-24 455.57
07-25 550.29
07-26 549.73
07-27 469.73
07-28 415.07
07-29 508.51
07-30 478.45
07-31 573.76
08-01 563.52
08-02 396.07
08-03 335.84
08-04 287.77
08-05 259.24
08-06 267.27
08-07 275.4
08-08 311.93
08-09 269.82
08-10 231.0
08-11 643.09
08-12 627.91
08-13 617.96
08-14 541.83
08-15 551.6
08-16 539.94
08-17 461.23
08-18 376.18
08-19 327.88
08-20 276.44
08-21 383.09
08-22 508.27
08-23 490.09
08-24 406.84
08-25 449.99
08-26 356.23
08-27 293.41
08-28 260.5
08-29 307.37
08-30 551.39
08-31 647.5
09-01 682.85
09-02 1043.95
09-03 856.17
09-04 779.02
09-05 642.78
09-06 476.24
09-07 742.16
09-08 503.49
09-09 695.66
09-10 563.39
09-11 568.47
09-12 477.57
09-13 414.7
09-14 366.17
09-15 367.63
09-16 460.02
09-17 543.63
09-18 572.26
09-19 576.8
09-20 564.93
09-21 599.23
09-22 501.55
09-23 587.78
09-24 758.11
09-25 677.61
09-26 804.53
09-27 793.09
09-28 703.23
09-29 590.37
09-30 582.38
10-01 606.48
10-02 827.7
10-03 580.88
10-04 585.72
10-05 688.31
10-06 619.98
10-07 636.19
10-08 608.86
10-09 632.04
10-10 679.1
10-11 804.52
10-12 887.62
10-13 712.96
10-14 611.16
10-15 758.86
10-16 487.83
10-17 535.69
10-18 478.39
10-19 439.34
10-20 413.38
10-21 270.97
10-22 443.53
10-23 478.23
10-24 435.64
10-25 431.59
10-26 413.51
10-27 382.01
10-28 359.17
10-29 346.31
10-30 377.42
10-31 354.65
11-01 320.7
11-02 285.9
11-03 284.26
11-04 275.84
11-05 310.69
11-06 329.13
11-07 322.01
11-08 297.65
11-09 268.5
11-10 254.04
11-11 244.13
11-12 252.85
11-13 243.19
11-14 248.1
11-15 233.52
11-16 215.66
11-17 211.8
11-18 196.43
11-19 201.67
11-20 195.55
11-21 228.45
11-22 233.47
11-23 255.79
11-24 273.88
11-25 262.35
11-26 248.48
11-27 292.29
11-28 191.53
11-29 369.83
11-30 334.4
12-01 341.47
12-02 401.11
12-03 437.07
12-04 487.03
12-05 445.28
12-06 421.13
12-07 395.1
12-08 376.37
12-09 398.71
12-10 384.0
12-11 372.4
12-12 355.99
12-13 336.63
12-14 166.23
12-15 168.39
12-16 173.48
12-17 1408.99
12-18 1228.67
12-19 982.83
12-20 247.25
12-21 240.5
12-22 732.2
12-23 659.0
12-24 792.0
12-25 825.6
12-26 795.8
12-27 718.0
12-28 667.5
12-29 222.67
12-30 934.0
12-31 1400.0

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index