Overview Realtime Historical Map View
Flood Warning
2026-10-01T13:00:00-05:00

...The Flood Warning is extended for the following rivers in Iowa... Wapsipinicon River near De Witt 4S affecting Scott and Clinton Counties. * WHAT...Major flooding is occurring and major flooding is forecast. * WHERE...Wapsipinicon River near De Witt 4S. * WHEN...Until Thursday afternoon. * IMPACTS...At 13.0 feet, Water affects many residences along the river. * ADDITIONAL DETAILS... - At 8:30 PM CDT Friday the stage was 12.9 feet. - Recent Activity...The maximum river stage in the 24 hours ending at 8:30 PM CDT Friday was 13.1 feet. - Forecast...The river is expected to fall below flood stage early Thursday morning and continue falling to 9.2 feet Friday, October 02. - Flood stage is 11.0 feet.

Wapsipinicon River Near De Witt, 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 3167.5
01-02 3800.0
01-03 3670.0
01-04 3483.33
01-05 2872.5
01-06 2812.5
01-07 2682.5
01-08 2857.5
01-09 3030.0
01-10 2932.5
01-11 2745.0
01-12 2365.0
01-13 2460.0
01-14 2273.33
01-15 2300.0
01-16 2403.33
01-17 2370.0
01-18 2475.0
01-19 2600.0
01-20 2590.0
01-21 2260.0
01-22 1995.0
01-23 2045.0
01-24 2040.0
01-25 2125.0
01-26 4550.0
01-27 3930.0
01-28 2875.0
01-29 2895.0
01-30 2765.0
01-31 2640.0
02-01 2256.67
02-02 2320.0
02-03 2790.0
02-04 3056.67
02-05 3263.33
02-06 3260.0
02-07 1760.0
02-08 3573.33
02-09 3396.67
02-10 3575.0
02-11 3195.0
02-12 3025.0
02-13 3005.0
02-14 2885.0
02-15 2745.0
02-16 2096.67
02-17 2036.67
02-18 1853.33
02-19 1753.33
02-20 1930.0
02-21 1980.0
02-22 2440.0
02-23 2590.0
02-24 3750.0
02-25 4040.0
02-26 2815.0
02-27 2690.0
02-28 2615.0
02-29 2540.0
03-01 2595.0
03-02 2725.0
03-03 3950.0
03-04 3996.67
03-05 2860.0
03-06 3001.67
03-07 2709.86
03-08 2653.86
03-09 2629.29
03-10 2653.0
03-11 3166.56
03-12 3199.44
03-13 3953.5
03-14 3853.82
03-15 3491.17
03-16 3336.33
03-17 3973.92
03-18 3907.43
03-19 3790.6
03-20 3692.07
03-21 3672.0
03-22 3396.5
03-23 3549.67
03-24 3421.67
03-25 3358.07
03-26 3306.67
03-27 3208.27
03-28 3203.67
03-29 3222.67
03-30 3157.6
03-31 3106.5
04-01 3015.67
04-02 2897.6
04-03 3060.67
04-04 3255.6
04-05 3141.93
04-06 3159.6
04-07 3197.0
04-08 3173.93
04-09 3248.21
04-10 3098.27
04-11 2890.71
04-12 3260.0
04-13 3252.31
04-14 3382.86
04-15 3295.38
04-16 3397.69
04-17 3643.08
04-18 3958.46
04-19 5073.85
04-20 4622.31
04-21 4293.57
04-22 4072.14
04-23 3977.14
04-24 4153.57
04-25 3994.62
04-26 3936.43
04-27 3769.29
04-28 3610.71
04-29 3644.29
04-30 3857.14
05-01 4117.33
05-02 4011.43
05-03 3888.57
05-04 3939.29
05-05 4002.67
05-06 4029.33
05-07 3759.29
05-08 3503.08
05-09 3494.29
05-10 3385.38
05-11 3488.0
05-12 3488.0
05-13 3342.0
05-14 3218.57
05-15 3229.29
05-16 3195.71
05-17 3079.29
05-18 2911.33
05-19 2812.67
05-20 2893.57
05-21 2936.67
05-22 2974.67
05-23 2970.67
05-24 2983.33
05-25 3082.0
05-26 3182.67
05-27 3396.67
05-28 3560.67
05-29 4035.33
05-30 4325.33
05-31 4186.0
06-01 4061.33
06-02 4014.0
06-03 3994.67
06-04 4664.67
06-05 4725.57
06-06 4469.14
06-07 4093.07
06-08 3516.67
06-09 3456.47
06-10 3391.67
06-11 3399.67
06-12 3463.36
06-13 3669.57
06-14 3751.5
06-15 4253.53
06-16 4555.8
06-17 4667.47
06-18 4542.4
06-19 4120.71
06-20 3718.07
06-21 3588.36
06-22 3736.14
06-23 3915.93
06-24 4041.36
06-25 4062.5
06-26 5138.5
06-27 5380.0
06-28 5606.29
06-29 5611.36
06-30 6091.5
07-01 6923.31
07-02 7159.29
07-03 7024.29
07-04 5984.14
07-05 4870.4
07-06 4405.47
07-07 4364.86
07-08 4165.29
07-09 3913.57
07-10 3632.87
07-11 3354.73
07-12 3069.13
07-13 2850.36
07-14 2534.13
07-15 2409.13
07-16 2196.0
07-17 2084.6
07-18 1906.07
07-19 1848.93
07-20 1740.38
07-21 1740.47
07-22 1703.6
07-23 2186.0
07-24 2018.4
07-25 1987.4
07-26 2056.8
07-27 2253.4
07-28 2267.8
07-29 2201.53
07-30 2262.73
07-31 2866.87
08-01 2729.15
08-02 2473.07
08-03 2137.0
08-04 1844.87
08-05 1778.33
08-06 1826.67
08-07 1704.87
08-08 1620.64
08-09 1877.21
08-10 1914.14
08-11 1980.0
08-12 1972.07
08-13 2255.33
08-14 2245.47
08-15 1905.73
08-16 1673.29
08-17 1529.43
08-18 1537.38
08-19 1550.21
08-20 1430.71
08-21 1365.14
08-22 1346.85
08-23 1168.27
08-24 1067.14
08-25 1082.07
08-26 1233.14
08-27 1251.29
08-28 1264.21
08-29 1319.0
08-30 1395.79
08-31 1230.43
09-01 1177.87
09-02 1558.07
09-03 1453.67
09-04 1771.93
09-05 1860.6
09-06 1983.71
09-07 1938.2
09-08 2544.21
09-09 3591.47
09-10 3763.27
09-11 3494.6
09-12 3217.0
09-13 2403.67
09-14 2158.87
09-15 1950.6
09-16 1876.33
09-17 1762.27
09-18 1545.2
09-19 1522.0
09-20 1753.73
09-21 2072.0
09-22 2487.29
09-23 2331.87
09-24 2394.73
09-25 2395.87
09-26 1813.14
09-27 2073.07
09-28 2203.43
09-29 2444.21
09-30 3857.62
10-01 2638.08
10-02 2140.62
10-03 1888.0
10-04 1819.54
10-05 2192.29
10-06 2072.21
10-07 2764.64
10-08 2261.15
10-09 1962.77
10-10 2226.14
10-11 2359.0
10-12 2390.14
10-13 2370.15
10-14 2257.57
10-15 2470.23
10-16 1407.0
10-17 2085.43
10-18 1987.57
10-19 1873.29
10-20 1769.5
10-21 1053.0
10-22 1469.71
10-23 1337.93
10-24 1350.21
10-25 1327.57
10-26 1376.79
10-27 1566.57
10-28 1479.71
10-29 1433.64
10-30 1413.71
10-31 1399.71
11-01 1423.0
11-02 1382.0
11-03 1310.14
11-04 1304.86
11-05 1400.0
11-06 1375.0
11-07 1304.38
11-08 1259.85
11-09 1238.46
11-10 1285.23
11-11 1299.69
11-12 1303.92
11-13 1297.69
11-14 1309.79
11-15 1306.29
11-16 1290.29
11-17 1244.79
11-18 1284.25
11-19 1255.08
11-20 1236.25
11-21 1253.23
11-22 1274.17
11-23 1179.31
11-24 1186.83
11-25 1174.67
11-26 1189.77
11-27 1435.46
11-28 1149.25
11-29 1520.0
11-30 1448.31
12-01 1423.38
12-02 1585.92
12-03 1687.85
12-04 1689.67
12-05 1638.91
12-06 1482.0
12-07 1469.55
12-08 1625.78
12-09 1559.33
12-10 1476.89
12-11 1412.89
12-12 1374.44
12-13 1338.88
12-14 1088.86
12-15 1054.57
12-16 1254.2
12-17 2242.14
12-18 2360.17
12-19 2790.6
12-20 1526.25
12-21 1475.75
12-22 4466.6
12-23 4411.6
12-24 3760.2
12-25 3202.8
12-26 2567.2
12-27 2299.8
12-28 2309.0
12-29 1585.0
12-30 2547.4
12-31 3082.5

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index