Overview Realtime Historical Map View
Heat Advisory
2026-09-03T19:00:00-05:00

* WHAT...Heat index values up to 105. * WHERE...Portions of northwest and west central Illinois, east central and southeast Iowa, and northeast Missouri. * WHEN...Until 7 PM CDT Thursday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Des Moines River At Keosauqua, 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 11884.14
01-02 10458.0
01-03 10201.71
01-04 9898.86
01-05 10283.14
01-06 10938.33
01-07 10100.33
01-08 12635.8
01-09 13840.8
01-10 12577.0
01-11 10977.6
01-12 11394.4
01-13 9143.83
01-14 12152.0
01-15 11305.0
01-16 11007.5
01-17 13940.0
01-18 8792.2
01-19 10917.25
01-20 7732.2
01-21 6589.4
01-22 6073.8
01-23 7312.5
01-24 5997.5
01-25 4893.2
01-26 3214.75
01-27 3273.0
01-28 7826.67
01-29 8080.0
01-30 5693.33
01-31 7925.0
02-01 8005.0
02-02 10226.75
02-03 8675.67
02-04 9360.67
02-05 7301.0
02-06 6202.25
02-07 4964.75
02-08 4800.0
02-09 5716.67
02-10 5176.67
02-11 5370.33
02-12 6855.0
02-13 6530.0
02-14 5450.0
02-15 4845.0
02-16 6165.0
02-17 4147.5
02-18 5227.67
02-19 3177.0
02-20 7851.75
02-21 8718.5
02-22 9619.25
02-23 10537.5
02-24 10738.0
02-25 11280.25
02-26 12385.0
02-27 11260.0
02-28 10835.0
02-29 21400.0
03-01 11601.0
03-02 20700.0
03-03 16088.5
03-04 11940.6
03-05 9863.67
03-06 8859.88
03-07 7753.56
03-08 7370.8
03-09 7751.3
03-10 9294.1
03-11 11141.2
03-12 9628.33
03-13 9328.33
03-14 9073.23
03-15 8493.85
03-16 7958.46
03-17 8006.15
03-18 8222.15
03-19 8183.0
03-20 9021.5
03-21 10110.8
03-22 8402.64
03-23 9799.33
03-24 9804.67
03-25 9802.0
03-26 10314.67
03-27 10337.33
03-28 11256.67
03-29 11164.0
03-30 11254.0
03-31 11534.62
04-01 10782.0
04-02 11282.0
04-03 12708.67
04-04 12487.33
04-05 12236.67
04-06 13391.33
04-07 12941.33
04-08 12510.0
04-09 10883.57
04-10 11876.0
04-11 12640.0
04-12 12480.71
04-13 11918.57
04-14 11163.43
04-15 11450.0
04-16 12115.38
04-17 13428.46
04-18 18272.31
04-19 19347.69
04-20 16009.23
04-21 12957.86
04-22 11773.57
04-23 11494.29
04-24 11420.0
04-25 11523.85
04-26 13247.14
04-27 14270.71
04-28 14452.14
04-29 14284.29
04-30 16156.43
05-01 16387.33
05-02 12902.14
05-03 11547.14
05-04 11580.71
05-05 12986.0
05-06 12643.33
05-07 12198.0
05-08 12397.86
05-09 13593.33
05-10 13850.0
05-11 13986.0
05-12 13406.67
05-13 13636.67
05-14 13442.14
05-15 14614.29
05-16 15465.71
05-17 15338.57
05-18 15477.33
05-19 16022.0
05-20 17297.14
05-21 15246.0
05-22 16095.33
05-23 16602.0
05-24 15319.33
05-25 15792.67
05-26 19072.0
05-27 17562.67
05-28 17393.33
05-29 20915.33
05-30 21616.0
05-31 17774.0
06-01 15478.0
06-02 15882.67
06-03 16621.33
06-04 16765.33
06-05 17530.71
06-06 17140.71
06-07 17547.14
06-08 18884.0
06-09 17994.67
06-10 19178.0
06-11 18993.33
06-12 18610.71
06-13 16872.14
06-14 17330.0
06-15 20104.67
06-16 19145.33
06-17 16649.33
06-18 16079.33
06-19 15928.57
06-20 15933.57
06-21 17747.14
06-22 15360.0
06-23 16845.71
06-24 16960.0
06-25 19198.57
06-26 20115.38
06-27 19462.31
06-28 17751.43
06-29 18447.86
06-30 17324.29
07-01 15796.43
07-02 16335.71
07-03 15092.14
07-04 14794.29
07-05 14151.33
07-06 14828.67
07-07 16392.14
07-08 15409.23
07-09 14611.54
07-10 14916.0
07-11 14298.67
07-12 16215.33
07-13 15459.29
07-14 15555.67
07-15 15572.13
07-16 16438.0
07-17 16690.6
07-18 14716.67
07-19 13231.6
07-20 13013.6
07-21 12855.4
07-22 13210.47
07-23 13475.6
07-24 13561.4
07-25 12954.73
07-26 13067.33
07-27 12871.4
07-28 13187.07
07-29 12227.8
07-30 12417.27
07-31 11116.87
08-01 11055.23
08-02 10644.0
08-03 10641.13
08-04 10438.0
08-05 10014.27
08-06 9638.87
08-07 9348.67
08-08 8391.07
08-09 8239.93
08-10 7851.71
08-11 8231.47
08-12 8330.47
08-13 8859.13
08-14 8655.13
08-15 8407.33
08-16 9272.0
08-17 9552.5
08-18 7466.92
08-19 6974.43
08-20 6565.86
08-21 6255.21
08-22 6526.23
08-23 7501.07
08-24 8346.14
08-25 8106.79
08-26 7628.73
08-27 7146.53
08-28 6713.8
08-29 6963.07
08-30 6337.93
08-31 6183.71
09-01 6089.67
09-02 6404.36
09-03 6065.14
09-04 5950.79
09-05 6062.71
09-06 5102.92
09-07 6626.54
09-08 5312.92
09-09 5383.21
09-10 5100.93
09-11 6708.79
09-12 5521.5
09-13 4487.29
09-14 5410.93
09-15 6343.57
09-16 6730.29
09-17 6583.79
09-18 6789.5
09-19 7095.0
09-20 7328.43
09-21 7006.0
09-22 6667.77
09-23 7215.07
09-24 7378.86
09-25 6956.0
09-26 6474.21
09-27 6683.36
09-28 6650.21
09-29 7045.93
09-30 7873.38
10-01 5534.92
10-02 4276.0
10-03 4630.85
10-04 5426.38
10-05 6809.0
10-06 7666.43
10-07 8265.29
10-08 8321.0
10-09 8666.86
10-10 8084.29
10-11 8151.0
10-12 7266.14
10-13 7140.29
10-14 8159.86
10-15 10525.85
10-16 7455.77
10-17 7331.21
10-18 7320.79
10-19 7390.71
10-20 7205.21
10-21 5804.38
10-22 5569.31
10-23 5392.31
10-24 5431.85
10-25 5505.62
10-26 5661.46
10-27 5724.77
10-28 5363.23
10-29 4844.62
10-30 6388.07
10-31 6180.57
11-01 5882.71
11-02 5565.08
11-03 5396.86
11-04 5349.0
11-05 5639.79
11-06 4989.54
11-07 5092.92
11-08 4920.23
11-09 4719.69
11-10 4540.46
11-11 4358.0
11-12 4240.15
11-13 4478.46
11-14 4582.5
11-15 4420.57
11-16 4638.29
11-17 4535.64
11-18 4096.31
11-19 3884.08
11-20 3752.69
11-21 4234.64
11-22 4928.77
11-23 4720.86
11-24 5175.31
11-25 5780.46
11-26 5923.29
11-27 6004.64
11-28 4225.54
11-29 5808.86
11-30 5583.5
12-01 5872.36
12-02 6736.14
12-03 6933.79
12-04 6082.43
12-05 6288.77
12-06 6408.75
12-07 6497.08
12-08 7002.25
12-09 6643.67
12-10 6319.0
12-11 6794.5
12-12 6723.17
12-13 6148.67
12-14 5444.1
12-15 4945.4
12-16 4214.2
12-17 5028.09
12-18 6463.67
12-19 8134.0
12-20 4633.14
12-21 4482.0
12-22 8512.38
12-23 8311.13
12-24 8523.88
12-25 8790.25
12-26 8960.0
12-27 9157.14
12-28 9268.57
12-29 5496.67
12-30 10685.71
12-31 12481.67

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index