Overview Realtime Historical Map View
Heat Advisory
2026-07-20T20:00:00-05:00

* WHAT...Heat index values of 100-105+ expected. * WHERE...Most of Iowa. * WHEN...From noon today to 8 PM CDT this evening. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Raccoon River At 63rd Street At Des Moines, 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 2986.5
01-02 2879.25
01-03 3458.0
01-04 2489.25
01-05 2353.0
01-06 2224.75
01-07 2127.75
01-08 2177.75
01-09 2279.75
01-10 2241.0
01-11 2640.67
01-12 2378.33
01-13 2690.0
01-14 2665.0
01-15 3005.0
01-16 2147.0
01-17 2865.0
01-18 2148.0
01-19 1536.0
01-20 2470.0
01-21 2975.0
01-22 3560.0
01-23 3710.0
01-24 3450.0
01-25 3410.0
01-28 3060.0
01-29 2990.0
01-30 3040.0
01-31 1749.5
02-01 1882.0
02-02 2085.5
02-03 2033.5
02-04 1901.0
02-05 1644.5
02-06 1657.5
02-07 1675.5
02-08 3070.0
02-09 1729.0
02-10 2670.0
02-11 2490.0
02-12 2660.0
02-13 2480.0
02-14 2940.0
02-15 2520.0
02-16 2490.0
02-17 1690.5
02-18 1889.0
02-19 255.0
02-20 4722.5
02-21 5851.5
02-22 6440.0
02-23 6552.5
02-24 6848.5
02-25 6683.5
02-26 5610.5
02-27 4654.5
02-28 3999.5
02-29 3870.0
03-01 2893.0
03-02 4419.75
03-03 3438.75
03-04 2516.6
03-05 2222.0
03-06 2035.17
03-07 1883.83
03-08 1794.33
03-09 1776.43
03-10 2444.5
03-11 2530.78
03-12 2034.2
03-13 1891.08
03-14 1737.33
03-15 4046.85
03-16 3807.46
03-17 3756.23
03-18 3658.08
03-19 3387.5
03-20 3379.08
03-21 3476.77
03-22 2794.77
03-23 2896.33
03-24 2688.8
03-25 2547.4
03-26 2449.4
03-27 2457.4
03-28 2486.8
03-29 2565.79
03-30 2408.07
03-31 2476.92
04-01 2609.4
04-02 2476.87
04-03 2449.13
04-04 2705.73
04-05 2771.6
04-06 2676.87
04-07 2667.87
04-08 2539.27
04-09 2241.77
04-10 2424.0
04-11 2583.29
04-12 2290.5
04-13 2398.79
04-14 2424.14
04-15 2577.15
04-16 2805.23
04-17 2514.77
04-18 2552.23
04-19 2709.69
04-20 2600.0
04-21 2802.21
04-22 2744.86
04-23 2795.86
04-24 3002.29
04-25 2653.46
04-26 3034.79
04-27 2987.0
04-28 2953.29
04-29 2855.07
04-30 2758.86
05-01 3234.67
05-02 3180.86
05-03 3209.07
05-04 3534.0
05-05 4133.67
05-06 4099.87
05-07 4217.33
05-08 3532.29
05-09 3279.93
05-10 3461.21
05-11 3690.73
05-12 3581.53
05-13 3527.07
05-14 3320.86
05-15 3389.57
05-16 3228.57
05-17 3341.93
05-18 4232.93
05-19 3779.87
05-20 4281.21
05-21 4356.73
05-22 4253.67
05-23 3998.33
05-24 4101.73
05-25 4961.93
05-26 4910.47
05-27 5053.47
05-28 5679.6
05-29 6915.33
05-30 6414.67
05-31 5789.6
06-01 5558.13
06-02 5166.67
06-03 4699.87
06-04 4182.87
06-05 4028.07
06-06 3818.29
06-07 4414.5
06-08 3911.67
06-09 3544.8
06-10 3466.57
06-11 3909.13
06-12 3481.93
06-13 3294.21
06-14 3280.14
06-15 4460.53
06-16 5832.2
06-17 5373.93
06-18 4264.53
06-19 4077.29
06-20 4469.71
06-21 5688.21
06-22 5280.79
06-23 5030.21
06-24 5395.08
06-25 5772.62
06-26 7980.0
06-27 7512.14
06-28 6666.29
06-29 5199.14
06-30 4397.43
07-01 4727.14
07-02 4369.43
07-03 3899.5
07-04 3735.29
07-05 3610.07
07-06 3537.53
07-07 3847.38
07-08 3715.62
07-09 3540.08
07-10 2836.8
07-11 2577.87
07-12 2824.4
07-13 2468.21
07-14 2499.67
07-15 2290.93
07-16 2028.71
07-17 1864.8
07-18 1749.27
07-19 1617.53
07-20 1687.0
07-21 1958.36
07-22 1894.57
07-23 1788.43
07-24 1579.36
07-25 1392.36
07-26 1349.77
07-27 1365.79
07-28 1438.0
07-29 1848.36
07-30 1684.77
07-31 1938.23
08-01 1766.17
08-02 1419.93
08-03 1488.85
08-04 1303.46
08-05 1132.69
08-06 1006.92
08-07 949.57
08-08 1483.92
08-09 1134.69
08-10 1132.23
08-11 1141.86
08-12 1358.5
08-13 1422.93
08-14 1358.36
08-15 1175.08
08-16 1004.58
08-17 886.67
08-18 469.7
08-19 745.23
08-20 680.54
08-21 1413.15
08-22 1478.75
08-23 1659.64
08-24 1570.46
08-25 1511.92
08-26 1260.14
08-27 1087.86
08-28 1067.79
08-29 1195.07
08-30 1828.29
08-31 1926.62
09-01 1962.79
09-02 2843.07
09-03 2287.76
09-04 2000.29
09-05 1745.19
09-06 1368.07
09-07 2145.29
09-08 1483.23
09-09 2572.79
09-10 2155.36
09-11 2606.93
09-12 1876.43
09-13 1598.14
09-14 1499.79
09-15 1339.14
09-16 1277.79
09-17 1712.85
09-18 1543.23
09-19 1613.85
09-20 1455.64
09-21 1544.14
09-22 1573.5
09-23 1941.23
09-24 1802.64
09-25 1831.15
09-26 1833.01
09-27 1872.79
09-28 1781.62
09-29 1622.94
09-30 1549.62
10-01 1351.58
10-02 2054.46
10-03 2166.69
10-04 2004.31
10-05 2257.79
10-06 2099.68
10-07 2208.47
10-08 2433.49
10-09 2475.8
10-10 2917.97
10-11 3434.11
10-12 3700.25
10-13 3541.15
10-14 3201.46
10-15 3391.5
10-16 1802.83
10-17 2145.62
10-18 1827.29
10-19 1735.21
10-20 1659.07
10-21 1255.54
10-22 1248.69
10-23 1158.69
10-24 1414.86
10-25 1450.0
10-26 1386.36
10-27 1373.21
10-28 1370.36
10-29 1348.0
10-30 1301.64
10-31 1316.79
11-01 1286.43
11-02 1148.23
11-03 1264.71
11-04 1237.0
11-05 1224.0
11-06 1082.92
11-07 1045.54
11-08 1028.69
11-09 1017.31
11-10 1017.31
11-11 1010.69
11-12 984.38
11-13 1046.58
11-14 1143.08
11-15 1109.75
11-16 1132.08
11-17 1095.75
11-18 820.92
11-19 899.2
11-20 797.0
11-21 1411.67
11-22 1440.77
11-23 1412.08
11-24 1440.33
11-25 1372.92
11-26 1374.67
11-27 1393.33
11-28 861.73
11-29 1530.09
11-30 1406.42
12-01 1296.75
12-02 1391.0
12-03 1598.82
12-04 1777.22
12-05 1696.44
12-06 1631.25
12-07 1406.0
12-08 1353.0
12-09 1398.3
12-10 1388.8
12-11 1347.5
12-12 1366.3
12-13 1584.27
12-14 1054.56
12-15 1006.78
12-16 625.14
12-17 3613.88
12-18 4242.86
12-19 4119.0
12-20 691.08
12-21 714.4
12-22 3240.0
12-23 2677.0
12-24 2962.0
12-25 2926.0
12-26 2756.8
12-27 2543.4
12-28 2430.8
12-29 680.0
12-30 2246.6
12-31 2733.25

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index