Flood Warning
2026-10-03T17:30:00-05:00

...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...Moderate flooding is occurring and moderate flooding is forecast. * WHERE...Black Hawk Creek at Hudson, or from the Black Hawk-Grundy County line to the Cedar River in Waterloo. * WHEN...Until Saturday afternoon. * IMPACTS...At 16.0 feet, Water closes Ranchero Rd in Waterloo. Some residential evacuations may occur. * ADDITIONAL DETAILS... - At 9:45 AM CDT Friday the stage was 16.6 feet, and falling. - Forecast...The river is expected to fall below flood stage late tomorrow morning. - Flood stage is 15.0 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 5816.36
07-15 5059.57
07-16 4580.71
07-17 4493.27
07-18 4220.21
07-19 4375.21
07-20 4791.14
07-21 5027.86
07-22 4996.43
07-23 5102.14
07-24 5186.43
07-25 4844.29
07-26 4993.07
07-27 5291.21
07-28 5254.79
07-29 4687.14
07-30 4467.14
07-31 4699.64
08-01 5190.42
08-02 4756.53
08-03 4302.87
08-04 3782.67
08-05 3450.33
08-06 3392.07
08-07 3354.8
08-08 3416.0
08-09 3455.46
08-10 3398.0
08-11 3180.93
08-12 3097.21
08-13 3162.14
08-14 3183.93
08-15 3115.36
08-16 2899.57
08-17 2721.5
08-18 2614.54
08-19 2501.14
08-20 2907.36
08-21 3490.36
08-22 4109.77
08-23 3933.71
08-24 3098.69
08-25 2815.46
08-26 3459.21
08-27 3838.29
08-28 4146.36
08-29 3749.47
08-30 4338.67
08-31 5885.38
09-01 5501.86
09-02 4723.14
09-03 4518.79
09-04 4827.14
09-05 4662.71
09-06 4708.38
09-07 5485.43
09-08 5583.77
09-09 5223.43
09-10 4784.07
09-11 4483.86
09-12 4531.5
09-13 4201.79
09-14 3745.21
09-15 3774.0
09-16 3878.79
09-17 3520.57
09-18 3539.57
09-19 3737.07
09-20 4226.43
09-21 5290.62
09-22 7671.58
09-23 8619.92
09-24 11062.36
09-25 11461.0
09-26 9983.5
09-27 8057.27
09-28 6959.14
09-29 5845.0
09-30 5284.38
10-01 4143.33
10-02 4379.08
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