Overview Realtime Historical Map View
Heat Advisory
2026-08-12T20:00:00-05:00

* WHAT...Heat index values up to 105 expected. * WHERE...Portions of west central Illinois, southeast Iowa, and northeast Missouri. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses. * ADDITIONAL DETAILS...Heat indices may briefly exceed 105 degrees in some areas. Thunderstorms and storm outflow may also interrupt the high heat at times.

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 9303.36
08-14 9045.5
08-15 8593.57
08-16 8539.08
08-17 8156.54
08-18 6439.17
08-19 5910.92
08-20 5894.0
08-21 5851.77
08-22 6280.92
08-23 7434.0
08-24 8463.54
08-25 8416.54
08-26 7951.5
08-27 7449.86
08-28 6965.5
08-29 7232.57
08-30 6612.07
08-31 6503.23
09-01 6389.64
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