Overview Realtime Historical Map View
Flood Warning
2026-10-08T05:00:00-05:00

...The Flood Warning is extended for the following rivers in Iowa... Cedar River near Conesville affecting Muscatine and Louisa Counties. Iowa River at Marengo affecting Benton and Iowa Counties. English River at Kalona affecting Johnson and Washington Counties. ...The Flood Warning continues for the following rivers in Iowa... Iowa River at Oakville affecting Louisa County. Iowa River near Lone Tree affecting Louisa, Johnson and Washington Counties. Iowa River at Wapello affecting Louisa County. * WHAT...Minor flooding is occurring and minor flooding is forecast. * WHERE...Cedar River near Conesville. * WHEN...Until late Wednesday night. * IMPACTS...At 14.0 feet, Water affects residences along County Road F70. * ADDITIONAL DETAILS... - At 9:00 AM CDT Saturday the stage was 13.3 feet. - Forecast...The river is expected to rise to a crest of 13.9 feet Monday evening. It will then fall below flood stage late Wednesday evening. - Flood stage is 13.0 feet.

Cedar River Near Conesville, 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 7041.43
01-02 8251.67
01-03 7478.57
01-04 7088.57
01-05 7333.33
01-06 6686.67
01-07 6306.67
01-08 6852.0
01-09 7066.0
01-10 6896.0
01-11 6617.5
01-12 6070.0
01-13 4043.33
01-14 3652.5
01-15 3930.0
01-16 3717.5
01-17 3677.5
01-18 3124.8
01-19 3244.0
01-20 7142.25
01-21 6460.25
01-22 8755.0
01-23 16000.0
01-24 16600.0
01-25 17600.0
01-28 17200.0
01-29 16700.0
01-30 16100.0
01-31 8920.0
02-01 8935.0
02-02 6045.0
02-03 5165.0
02-04 5625.0
02-05 4790.0
02-06 4505.0
02-07 4155.0
02-08 4085.0
02-09 4350.0
02-10 4155.0
02-11 3670.0
02-12 3330.0
02-13 3055.0
02-14 3015.0
02-15 3150.0
02-16 3160.0
02-17 3215.0
02-18 3345.0
02-19 2680.0
02-20 4100.0
02-21 6010.0
02-22 6840.0
02-23 6780.0
02-24 9115.0
02-25 9325.0
02-26 8010.0
02-27 7850.0
02-28 5970.0
02-29 5746.67
03-01 5610.0
03-02 5566.67
03-03 8127.5
03-04 8807.5
03-05 8628.0
03-06 9165.0
03-07 8780.0
03-08 8050.0
03-09 6282.86
03-10 6943.0
03-11 9040.0
03-12 9908.18
03-13 9550.83
03-14 9249.23
03-15 9153.08
03-16 9240.0
03-17 8890.0
03-18 8549.23
03-19 8669.29
03-20 11047.14
03-21 11737.33
03-22 10886.43
03-23 10614.67
03-24 10040.0
03-25 10015.33
03-26 10067.33
03-27 10092.67
03-28 9847.33
03-29 9548.0
03-30 9074.0
03-31 8725.71
04-01 8920.67
04-02 8833.33
04-03 9144.67
04-04 9596.67
04-05 9705.33
04-06 10005.33
04-07 9914.67
04-08 9645.33
04-09 9262.86
04-10 9548.0
04-11 9760.67
04-12 10720.71
04-13 9660.0
04-14 9103.57
04-15 9502.31
04-16 9909.23
04-17 10652.31
04-18 11772.31
04-19 12821.54
04-20 12602.31
04-21 11800.71
04-22 11180.71
04-23 10538.57
04-24 10608.57
04-25 10589.23
04-26 11109.29
04-27 10876.43
04-28 10718.57
04-29 10895.0
04-30 11490.0
05-01 11748.0
05-02 11134.29
05-03 10947.86
05-04 10955.71
05-05 11774.67
05-06 12045.33
05-07 11944.67
05-08 11479.29
05-09 11398.67
05-10 11518.67
05-11 11716.0
05-12 11559.33
05-13 10997.33
05-14 10460.71
05-15 9863.08
05-16 9972.14
05-17 9837.86
05-18 9560.0
05-19 9706.67
05-20 10315.71
05-21 9872.67
05-22 10306.67
05-23 10535.33
05-24 10624.0
05-25 10738.67
05-26 11255.33
05-27 12104.0
05-28 12602.67
05-29 12680.67
05-30 13481.33
05-31 13840.0
06-01 13628.0
06-02 13868.0
06-03 13986.67
06-04 13800.0
06-05 13488.57
06-06 12259.29
06-07 11285.71
06-08 10485.33
06-09 10412.0
06-10 10490.0
06-11 11018.0
06-12 11208.57
06-13 11809.29
06-14 11637.14
06-15 11988.67
06-16 12586.67
06-17 12741.43
06-18 12930.71
06-19 11965.71
06-20 11425.71
06-21 11737.14
06-22 12227.14
06-23 12682.14
06-24 13245.71
06-25 14274.29
06-26 17435.71
06-27 18525.0
06-28 18857.14
06-29 17827.14
06-30 17506.43
07-01 17123.57
07-02 18335.71
07-03 16920.0
07-04 14967.86
07-05 13940.67
07-06 13348.0
07-07 13353.57
07-08 12009.29
07-09 11262.86
07-10 10147.33
07-11 9704.0
07-12 9327.33
07-13 9150.0
07-14 9171.33
07-15 8926.67
07-16 7554.29
07-17 8313.33
07-18 7584.67
07-19 6916.0
07-20 6577.33
07-21 6706.67
07-22 7207.33
07-23 7780.67
07-24 7496.67
07-25 7046.67
07-26 6866.0
07-27 6619.13
07-28 6280.0
07-29 6443.57
07-30 6583.57
07-31 6620.0
08-01 6809.85
08-02 6506.6
08-03 6542.73
08-04 6599.36
08-05 6139.33
08-06 6018.67
08-07 5898.0
08-08 5405.71
08-09 5179.29
08-10 5079.29
08-11 5090.67
08-12 5238.0
08-13 5954.0
08-14 5650.67
08-15 4807.14
08-16 4519.23
08-17 4396.92
08-18 4909.23
08-19 4434.29
08-20 4232.14
08-21 4054.29
08-22 4224.46
08-23 4134.6
08-24 4097.86
08-25 4316.29
08-26 4826.67
08-27 4570.53
08-28 4249.2
08-29 4353.87
08-30 4427.87
08-31 4801.93
09-01 4923.07
09-02 5530.93
09-03 5610.73
09-04 5939.0
09-05 6122.53
09-06 5852.79
09-07 6427.87
09-08 6757.14
09-09 6795.4
09-10 6886.67
09-11 7588.33
09-12 7152.47
09-13 6709.93
09-14 6347.33
09-15 5813.27
09-16 5411.13
09-17 5009.0
09-18 5133.53
09-19 5292.27
09-20 5448.87
09-21 6589.27
09-22 7489.79
09-23 7397.4
09-24 7167.67
09-25 7271.67
09-26 7767.73
09-27 8609.6
09-28 10488.29
09-29 11653.2
09-30 11618.14
10-01 8893.54
10-02 7688.21
10-03 7090.57
10-04 5747.69
10-05 7272.14
10-06 7294.43
10-07 7788.71
10-08 7734.57
10-09 7619.71
10-10 7310.14
10-11 7470.29
10-12 7762.71
10-13 7782.93
10-14 7390.07
10-15 7977.15
10-16 4977.69
10-17 7213.57
10-18 6790.0
10-19 6206.43
10-20 5722.86
10-21 3955.0
10-22 3585.92
10-23 3525.92
10-24 3500.77
10-25 3770.77
10-26 4942.14
10-27 4959.21
10-28 5032.71
10-29 5009.79
10-30 4987.14
10-31 4933.64
11-01 5067.0
11-02 5017.0
11-03 4981.43
11-04 4776.21
11-05 4752.86
11-06 4344.08
11-07 4322.46
11-08 4299.33
11-09 4218.77
11-10 4191.92
11-11 4216.62
11-12 4186.15
11-13 4157.69
11-14 4167.86
11-15 3692.31
11-16 3967.86
11-17 4013.15
11-18 3950.0
11-19 3918.5
11-20 3680.0
11-21 3728.08
11-22 3601.25
11-23 3571.5
11-24 3707.77
11-25 3843.62
11-26 3900.0
11-27 4124.43
11-28 3767.08
11-29 4481.14
11-30 4311.14
12-01 4369.15
12-02 4588.31
12-03 4866.38
12-04 4624.46
12-05 4431.64
12-06 4192.31
12-07 4575.85
12-08 4603.08
12-09 4391.42
12-10 4169.33
12-11 4102.67
12-12 3961.92
12-13 3735.55
12-14 3108.8
12-15 2986.9
12-16 3321.78
12-17 5354.91
12-18 5597.3
12-19 6064.89
12-20 4261.13
12-21 4500.0
12-22 7997.5
12-23 7708.75
12-24 6847.5
12-25 6346.25
12-26 5721.25
12-27 5627.5
12-28 5798.75
12-29 4272.86
12-30 6363.75
12-31 7005.71

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index