Overview Realtime Historical Map View
Flood Warning
2026-07-13T16:00:00-05:00

...The Flood Warning is extended for the following rivers in Iowa... Cedar River at Cedar Falls affecting Black Hawk County. Cedar River at Waterloo affecting Black Hawk County. * WHAT...Minor flooding is forecast. * WHERE...The Cedar River at Waterloo, or from the Waterloo-Cedar Falls city limits to Spring Creek near La Porte City. * WHEN...From late tonight to tomorrow afternoon. * IMPACTS...At 13.0 feet, Many storm sewers are closed along Black Hawk Creek and the Cedar River. The Fletcher Ave levee gates are closed. * ADDITIONAL DETAILS... - At 8:00 PM CDT Sunday the stage was 12.3 feet. - Forecast...The river is expected to rise above flood stage late tonight to a crest of 13.1 feet tomorrow morning. It will then fall below flood stage tomorrow. - Flood stage is 13.0 feet.

Cedar River At Waterloo, 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 6147.8
01-02 5602.0
01-03 4819.2
01-04 4361.2
01-05 4968.0
01-06 4735.5
01-07 4405.5
01-08 4412.75
01-09 4143.0
01-10 3518.6
01-11 2936.4
01-12 2812.6
01-13 2568.4
01-14 2880.0
01-15 3038.6
01-16 3077.8
01-17 2625.4
01-18 2305.0
01-19 2127.5
01-20 1823.75
01-21 2264.33
01-22 2504.33
01-23 2607.67
01-24 2330.5
01-25 2152.0
01-26 1354.0
01-27 2151.5
01-28 2392.33
01-29 2599.67
01-30 2144.25
01-31 1777.75
02-01 2294.25
02-02 2233.75
02-03 2064.0
02-04 2462.0
02-05 3674.0
02-06 4269.33
02-07 3122.25
02-08 2638.0
02-09 2263.0
02-10 1860.75
02-11 2040.75
02-12 2040.75
02-13 2227.0
02-14 2111.0
02-15 2053.0
02-16 1959.0
02-17 1869.5
02-18 1849.0
02-19 1337.0
02-20 2266.75
02-21 2888.25
02-22 3483.5
02-23 3570.5
02-24 3641.25
02-25 3822.5
02-26 4888.67
02-27 4478.67
02-28 3328.25
02-29 9660.0
03-01 3641.0
03-02 3744.0
03-03 6154.5
03-04 5469.83
03-05 4760.29
03-06 4855.25
03-07 4371.67
03-08 4634.8
03-09 4706.1
03-10 5113.7
03-11 6130.9
03-12 6666.91
03-13 6690.09
03-14 6296.0
03-15 7150.92
03-16 9080.15
03-17 9506.77
03-18 9305.62
03-19 8615.29
03-20 7541.08
03-21 7970.0
03-22 6554.0
03-23 7514.36
03-24 7235.29
03-25 7006.0
03-26 6580.14
03-27 6219.29
03-28 6089.29
03-29 6160.71
03-30 6457.14
03-31 6327.69
04-01 6794.29
04-02 7093.57
04-03 7306.43
04-04 7332.86
04-05 7217.86
04-06 7377.14
04-07 7180.0
04-08 6669.29
04-09 5968.46
04-10 5780.0
04-11 5753.57
04-12 6188.46
04-13 6472.31
04-14 6603.08
04-15 7133.33
04-16 7920.83
04-17 8855.83
04-18 8439.17
04-19 7520.83
04-20 7129.17
04-21 7079.23
04-22 7614.62
04-23 8062.31
04-24 8201.54
04-25 7173.85
04-26 7930.0
04-27 7636.43
04-28 7114.29
04-29 6733.57
04-30 6774.29
05-01 7532.67
05-02 7023.85
05-03 7199.23
05-04 7580.77
05-05 8156.43
05-06 8713.57
05-07 9052.14
05-08 8504.62
05-09 8035.71
05-10 7759.29
05-11 7282.86
05-12 6888.57
05-13 6637.14
05-14 6840.77
05-15 7023.85
05-16 7013.08
05-17 7083.85
05-18 6829.29
05-19 7063.57
05-20 7548.46
05-21 7696.43
05-22 8089.29
05-23 9162.0
05-24 8555.33
05-25 7846.67
05-26 7854.67
05-27 8222.67
05-28 9162.67
05-29 9826.67
05-30 10555.33
05-31 11694.0
06-01 10620.67
06-02 9112.67
06-03 8073.33
06-04 7608.0
06-05 7335.71
06-06 7262.14
06-07 7202.86
06-08 6438.67
06-09 5955.0
06-10 6463.57
06-11 7271.43
06-12 9344.62
06-13 9140.77
06-14 8285.38
06-15 8025.71
06-16 8269.29
06-17 7728.0
06-18 8013.33
06-19 7563.57
06-20 8007.86
06-21 9154.29
06-22 10715.0
06-23 12145.71
06-24 12520.71
06-25 12560.0
06-26 12996.43
06-27 12140.0
06-28 10604.29
06-29 10218.57
06-30 9868.57
07-01 9941.43
07-02 10455.71
07-03 9504.29
07-04 8544.29
07-05 7482.67
07-06 7113.33
07-07 6748.57
07-08 6400.86
07-09 6153.71
07-10 5905.67
07-11 5871.4
07-12 6400.0
07-13 6576.23
07-14 4863.77
07-15 4736.46
07-16 4580.71
07-17 4329.93
07-18 4088.69
07-19 4311.77
07-20 4798.92
07-21 4996.15
07-22 4864.62
07-23 4937.69
07-24 5042.31
07-25 4755.38
07-26 5001.0
07-27 5339.77
07-28 5360.54
07-29 4773.08
07-30 4545.38
07-31 4820.38
08-01 5301.36
08-02 4814.86
08-03 4319.5
08-04 3696.43
08-05 3363.93
08-06 3341.5
08-07 3319.43
08-08 3337.33
08-09 3266.75
08-10 3198.67
08-11 3031.0
08-12 2961.62
08-13 2973.85
08-14 2961.92
08-15 2811.92
08-16 2590.31
08-17 2472.38
08-18 2410.75
08-19 2358.15
08-20 2832.54
08-21 3495.0
08-22 4176.42
08-23 4001.69
08-24 3121.92
08-25 2833.42
08-26 3521.46
08-27 3946.62
08-28 4288.38
08-29 3856.57
08-30 4495.0
08-31 6190.83
09-01 5750.46
09-02 4919.54
09-03 4705.62
09-04 5041.54
09-05 4856.0
09-06 4930.75
09-07 5748.15
09-08 5890.75
09-09 5464.46
09-10 4996.69
09-11 4669.54
09-12 4724.69
09-13 4364.23
09-14 3887.15
09-15 3895.08
09-16 4007.92
09-17 3598.31
09-18 3584.15
09-19 3737.62
09-20 4108.46
09-21 5143.17
09-22 7494.45
09-23 8288.25
09-24 10882.54
09-25 11511.85
09-26 10089.92
09-27 8100.64
09-28 6899.08
09-29 5666.15
09-30 5025.58
10-01 3724.55
10-02 3377.33
10-03 3453.17
10-04 3668.75
10-05 5155.31
10-06 4948.0
10-07 4831.54
10-08 5020.23
10-09 5290.62
10-10 5603.0
10-11 5982.85
10-12 6254.77
10-13 6157.08
10-14 5650.46
10-15 5247.33
10-16 3102.0
10-17 4043.46
10-18 3848.0
10-19 3612.69
10-20 3422.54
10-21 2596.09
10-22 3218.31
10-23 3513.38
10-24 3674.77
10-25 3716.85
10-26 3559.77
10-27 3529.62
10-28 3724.0
10-29 3970.31
10-30 4161.46
10-31 3924.0
11-01 3592.77
11-02 3425.58
11-03 3143.62
11-04 3023.31
11-05 3097.33
11-06 3055.0
11-07 2962.58
11-08 2951.25
11-09 2901.58
11-10 2751.83
11-11 2671.0
11-12 2650.08
11-13 2723.08
11-14 2803.0
11-15 2721.85
11-16 2697.62
11-17 2616.38
11-18 2463.25
11-19 2430.17
11-20 2410.33
11-21 2534.62
11-22 2630.25
11-23 2584.08
11-24 2781.5
11-25 2761.25
11-26 2658.54
11-27 2716.77
11-28 2445.83
11-29 2817.69
11-30 2861.92
12-01 2760.92
12-02 2878.08
12-03 3053.23
12-04 3063.77
12-05 3055.08
12-06 2663.73
12-07 2966.45
12-08 2904.5
12-09 2827.8
12-10 2870.6
12-11 2792.1
12-12 2622.3
12-13 2324.0
12-14 2047.38
12-15 2038.63
12-16 2113.0
12-17 4667.75
12-18 4589.38
12-19 4704.57
12-20 2176.17
12-21 2123.17
12-22 3596.57
12-23 3725.0
12-24 3767.5
12-25 3429.57
12-26 3423.14
12-27 3329.29
12-28 3703.43
12-29 3805.83
12-30 5379.5
12-31 7630.5

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index