Overview Realtime Historical Map View
Flood Watch
2026-08-16T10:00:00-05:00

* WHAT...Flooding caused by excessive rainfall continues to be possible. * WHERE...Portions of Illinois, including the following areas, Eastern Will, Ford, Grundy, Iroquois, Kankakee, La Salle, Livingston and Southern Will and northwest Indiana, including the following areas, Benton, Jasper, Lake IN, Newton and Porter. * WHEN...Until 10 AM CDT /11 AM EDT/ Sunday. * IMPACTS...Roads and streets may be flooded. Area creeks and streams are already elevated, increasing the risk of flooding due to additional rainfall. * ADDITIONAL DETAILS... - Scattered showers and thunderstorms are expected to develop and move across northern and central Illinois and northwest Indiana tonight. Torrential rainfall will be possible with these showers and thunderstorms. With the already elevated soil moisture and the high vulnerability in the watch area from heavy rain the past two nights, additional flash flooding and sharp river rises are possible. - http://www.weather.gov/safety/flood

Indiana Harbor Canal At East Chicago, In 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 1060.3
01-02 421.4
01-03 1194.25
01-04 996.72
01-05 765.26
01-06 1100.71
01-07 804.56
01-08 520.36
01-09 834.72
01-10 726.0
01-11 695.09
01-12 499.07
01-13 965.18
01-14 813.33
01-15 866.4
01-16 574.42
01-17 791.7
01-18 712.04
01-19 773.12
01-20 1079.88
01-21 854.75
01-22 819.71
01-23 1172.94
01-24 839.41
01-25 895.11
01-26 513.11
01-27 916.01
01-28 1047.65
01-29 329.23
01-30 1042.0
01-31 1052.22
02-01 706.45
02-02 500.68
02-03 1110.71
02-04 1094.21
02-05 691.98
02-06 939.5
02-07 1118.51
02-08 736.02
02-09 802.11
02-10 784.85
02-11 1145.26
02-12 873.82
02-13 762.67
02-14 517.69
02-15 870.11
02-16 695.95
02-17 474.43
02-18 895.44
02-19 657.98
02-20 956.54
02-21 1171.33
02-22 865.9
02-23 1009.71
02-24 812.88
02-25 892.5
02-26 560.66
02-27 849.0
02-28 942.11
02-29 1424.5
03-01 965.73
03-02 969.27
03-03 1199.31
03-04 756.85
03-05 806.52
03-06 1367.64
03-07 810.53
03-08 444.75
03-09 628.6
03-10 609.73
03-11 503.91
03-12 948.79
03-13 765.73
03-14 844.27
03-15 1089.0
03-16 944.03
03-17 793.99
03-18 944.75
03-19 934.73
03-20 865.92
03-21 973.34
03-22 661.37
03-23 854.25
03-24 911.85
03-25 712.17
03-26 882.43
03-27 1050.29
03-28 1066.6
03-29 937.67
03-30 595.03
03-31 1320.67
04-01 1394.69
04-02 1122.07
04-03 921.59
04-04 1297.77
04-05 776.04
04-06 876.08
04-07 816.55
04-08 583.98
04-09 1035.7
04-10 999.39
04-11 987.81
04-12 955.32
04-13 876.41
04-14 979.2
04-15 803.67
04-16 890.0
04-17 1221.2
04-18 1179.44
04-19 1343.2
04-20 867.35
04-21 1079.82
04-22 615.51
04-23 981.65
04-24 819.69
04-25 876.86
04-26 858.78
04-27 895.45
04-28 920.69
04-29 696.92
04-30 802.86
05-01 1009.65
05-02 1096.3
05-03 967.48
05-04 967.82
05-05 1009.5
05-06 948.55
05-07 712.86
05-08 787.56
05-09 1078.08
05-10 1253.16
05-11 1150.54
05-12 1206.78
05-13 1040.18
05-14 997.98
05-15 1059.0
05-16 1257.54
05-17 700.0
05-18 1006.5
05-19 840.04
05-20 1372.11
05-21 898.0
05-22 814.67
05-23 986.36
05-24 1171.0
05-25 692.08
05-26 1638.18
05-27 1055.31
05-28 1395.69
05-29 1431.7
05-30 1243.99
05-31 980.44
06-01 995.0
06-02 951.45
06-03 1145.79
06-04 893.55
06-05 1150.08
06-06 826.42
06-07 771.76
06-08 507.33
06-09 743.4
06-10 889.0
06-11 927.97
06-12 978.69
06-13 911.77
06-14 1151.09
06-15 1321.07
06-16 985.72
06-17 1305.18
06-18 902.1
06-19 1355.0
06-20 905.82
06-21 982.64
06-22 1076.82
06-23 694.29
06-24 1265.72
06-25 758.82
06-26 1099.13
06-27 597.0
06-28 833.83
06-29 1351.38
06-30 1056.71
07-01 1518.64
07-02 694.49
07-03 1010.73
07-04 991.45
07-05 939.21
07-06 976.17
07-07 815.6
07-08 909.95
07-09 711.55
07-10 783.75
07-11 976.75
07-12 938.56
07-13 910.45
07-14 1010.42
07-15 1203.38
07-16 582.94
07-17 595.54
07-18 1464.0
07-19 1225.09
07-20 1164.56
07-21 1312.73
07-22 1412.29
07-23 998.65
07-24 681.0
07-25 516.32
07-26 739.99
07-27 1246.4
07-28 825.18
07-29 1107.31
07-30 1026.56
07-31 1041.62
08-01 944.22
08-02 710.75
08-03 895.64
08-04 414.37
08-05 575.1
08-06 805.7
08-07 872.4
08-08 1083.7
08-09 621.84
08-10 924.08
08-11 682.06
08-12 1031.5
08-13 791.19
08-14 781.98
08-15 992.36
08-16 653.5
08-17 764.49
08-18 751.48
08-19 1183.64
08-20 680.36
08-21 784.45
08-22 694.02
08-23 598.42
08-24 891.94
08-25 1169.18
08-26 581.64
08-27 1335.9
08-28 1105.97
08-29 892.94
08-30 882.17
08-31 886.68
09-01 1195.18
09-02 1296.2
09-03 744.4
09-04 1136.15
09-05 944.7
09-06 1154.67
09-07 796.82
09-08 854.19
09-09 1220.55
09-10 850.8
09-11 980.64
09-12 666.87
09-13 799.1
09-14 979.23
09-15 831.33
09-16 841.83
09-17 531.86
09-18 372.63
09-19 1103.0
09-20 829.75
09-21 1000.44
09-22 723.76
09-23 1102.22
09-24 866.02
09-25 616.08
09-26 687.13
09-27 881.33
09-28 912.36
09-29 702.02
09-30 817.63
10-01 651.56
10-02 737.34
10-03 542.58
10-04 554.89
10-05 733.55
10-06 911.0
10-07 851.64
10-08 440.14
10-09 580.79
10-10 544.73
10-11 526.99
10-12 396.89
10-13 765.0
10-14 1171.78
10-15 993.6
10-16 913.0
10-17 794.91
10-18 606.97
10-19 378.85
10-20 546.1
10-21 917.61
10-22 1438.56
10-23 464.46
10-24 1020.67
10-25 1032.89
10-26 971.26
10-27 548.7
10-28 722.55
10-29 804.0
10-30 528.17
10-31 763.15
11-01 830.17
11-02 600.94
11-03 838.42
11-04 547.15
11-05 785.4
11-06 1029.8
11-07 533.99
11-08 728.36
11-09 888.77
11-10 630.84
11-11 723.83
11-12 962.0
11-13 609.36
11-14 713.15
11-15 599.5
11-16 703.78
11-17 626.69
11-18 805.35
11-19 673.98
11-20 581.91
11-21 1018.72
11-22 795.7
11-23 443.64
11-24 560.3
11-25 876.64
11-26 623.56
11-27 485.57
11-28 650.74
11-29 634.5
11-30 677.29
12-01 589.32
12-02 700.46
12-03 871.75
12-04 926.6
12-05 632.5
12-06 996.5
12-07 1291.38
12-08 909.0
12-09 1041.5
12-10 723.0
12-11 857.8
12-12 545.05
12-13 917.78
12-14 463.45
12-15 593.38
12-16 508.78
12-17 858.87
12-18 748.91
12-19 606.82
12-20 785.26
12-21 517.19
12-22 952.9
12-23 919.54
12-24 869.11
12-25 794.32
12-26 838.67
12-27 1044.33
12-28 811.17
12-29 772.0
12-30 631.86
12-31 820.86

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index