Overview Realtime Historical Map View
Heat Advisory
2026-08-16T20:00:00-05:00

* WHAT...Heat index values up to 110. * WHERE...Portions of central, east central, southeast, and west central Illinois. * WHEN...Until 8 PM CDT Sunday. * IMPACTS...Hot temperatures and high humidity may cause heat illnesses.

Kaskaskia River At Shelbyville, Il 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 1296.62
01-02 1302.78
01-03 1327.32
01-04 1369.32
01-05 1360.15
01-06 1345.73
01-07 1328.98
01-08 1407.12
01-09 1511.4
01-10 1581.48
01-11 1625.23
01-12 1680.23
01-13 1703.67
01-14 1688.42
01-15 1700.92
01-16 1671.67
01-17 1575.11
01-18 1541.38
01-19 1511.65
01-20 1573.57
01-21 1595.39
01-22 1611.85
01-23 1738.42
01-24 1645.86
01-25 1803.11
01-26 1536.3
01-27 1514.09
01-28 1860.38
01-29 1851.3
01-30 1784.85
01-31 1726.38
02-01 1719.66
02-02 1750.58
02-03 1823.01
02-04 1804.39
02-05 1780.24
02-06 1827.3
02-07 1770.84
02-08 1763.92
02-09 1732.55
02-10 1734.24
02-11 1472.0
02-12 1530.57
02-13 1525.46
02-14 1511.07
02-15 1485.64
02-16 1413.99
02-17 1255.41
02-18 1084.53
02-19 1096.99
02-20 1194.45
02-21 1243.76
02-22 1359.22
02-23 1326.85
02-24 1339.92
02-25 1306.07
02-26 1256.81
02-27 1431.06
02-28 1413.64
02-29 1536.5
03-01 1473.42
03-02 1470.92
03-03 1464.99
03-04 1480.65
03-05 1498.86
03-06 1444.21
03-07 1492.64
03-08 1467.14
03-09 1478.21
03-10 1504.36
03-11 1566.5
03-12 1588.79
03-13 1579.5
03-14 1613.38
03-15 1635.57
03-16 1598.0
03-17 1584.43
03-18 1556.93
03-19 1420.27
03-20 1366.29
03-21 1352.27
03-22 1210.5
03-23 1248.33
03-24 1315.64
03-25 1275.67
03-26 1258.8
03-27 1270.93
03-28 1265.07
03-29 1349.21
03-30 1260.73
03-31 1291.21
04-01 1152.06
04-02 1144.99
04-03 1348.07
04-04 1446.13
04-05 1626.73
04-06 1649.0
04-07 1670.2
04-08 1682.07
04-09 1591.0
04-10 1671.6
04-11 1713.8
04-12 1704.36
04-13 1622.79
04-14 1613.57
04-15 1510.69
04-16 1451.85
04-17 1375.62
04-18 1349.46
04-19 1321.69
04-20 1417.69
04-21 1400.93
04-22 1397.79
04-23 1398.36
04-24 1364.86
04-25 1190.54
04-26 1252.21
04-27 1201.29
04-28 1200.93
04-29 1107.25
04-30 1023.49
05-01 974.13
05-02 1071.99
05-03 1084.29
05-04 1136.86
05-05 1147.07
05-06 1111.91
05-07 1096.45
05-08 1067.09
05-09 1120.63
05-10 1116.23
05-11 1108.75
05-12 1099.92
05-13 1103.6
05-14 972.44
05-15 986.79
05-16 964.86
05-17 922.11
05-18 879.29
05-19 792.69
05-20 729.56
05-21 771.23
05-22 820.23
05-23 896.61
05-24 853.28
05-25 854.15
05-26 830.67
05-27 753.6
05-28 800.13
05-29 781.87
05-30 824.67
05-31 818.33
06-01 814.2
06-02 790.47
06-03 813.13
06-04 869.99
06-05 862.53
06-06 879.17
06-07 962.9
06-08 1003.09
06-09 966.36
06-10 980.81
06-11 1015.04
06-12 1007.76
06-13 1026.83
06-14 994.69
06-15 920.57
06-16 848.93
06-17 883.67
06-18 857.79
06-19 711.0
06-20 743.59
06-21 795.38
06-22 773.67
06-23 767.27
06-24 827.74
06-25 842.67
06-26 911.02
06-27 828.34
06-28 861.74
06-29 967.53
06-30 1055.1
07-01 905.21
07-02 987.79
07-03 1092.68
07-04 1081.83
07-05 1075.49
07-06 1042.36
07-07 1109.38
07-08 1111.55
07-09 1148.54
07-10 1065.94
07-11 1087.07
07-12 1033.79
07-13 1044.79
07-14 1012.6
07-15 1029.4
07-16 941.21
07-17 1018.6
07-18 1033.91
07-19 1091.65
07-20 1090.65
07-21 1004.58
07-22 992.11
07-23 902.07
07-24 1000.94
07-25 1015.54
07-26 1005.87
07-27 916.48
07-28 915.4
07-29 907.44
07-30 925.95
07-31 909.51
08-01 848.29
08-02 833.48
08-03 839.84
08-04 834.22
08-05 803.11
08-06 788.1
08-07 765.49
08-08 783.24
08-09 755.02
08-10 748.66
08-11 711.62
08-12 697.55
08-13 605.56
08-14 579.12
08-15 564.76
08-16 545.22
08-17 547.37
08-18 501.99
08-19 509.7
08-20 541.53
08-21 482.66
08-22 477.43
08-23 513.81
08-24 574.84
08-25 551.43
08-26 500.97
08-27 500.15
08-28 502.09
08-29 476.81
08-30 443.19
08-31 413.06
09-01 344.39
09-02 334.05
09-03 322.04
09-04 334.39
09-05 319.69
09-06 311.69
09-07 298.38
09-08 242.74
09-09 254.73
09-10 281.59
09-11 292.37
09-12 306.09
09-13 315.22
09-14 316.92
09-15 290.38
09-16 264.94
09-17 267.0
09-18 249.39
09-19 251.65
09-20 263.0
09-21 246.18
09-22 243.2
09-23 190.87
09-24 185.63
09-25 174.45
09-26 168.78
09-27 162.79
09-28 132.57
09-29 117.26
09-30 122.73
10-01 103.1
10-02 97.37
10-03 110.27
10-04 115.71
10-05 129.67
10-06 125.2
10-07 127.94
10-08 165.22
10-09 163.87
10-10 131.74
10-11 128.11
10-12 125.6
10-13 114.35
10-14 124.01
10-15 159.04
10-16 151.91
10-17 166.11
10-18 166.6
10-19 194.92
10-20 192.76
10-21 219.18
10-22 179.44
10-23 151.21
10-24 122.96
10-25 142.94
10-26 131.56
10-27 120.05
10-28 120.34
10-29 122.1
10-30 130.33
10-31 161.34
11-01 195.47
11-02 216.57
11-03 223.51
11-04 214.35
11-05 241.67
11-06 239.82
11-07 239.41
11-08 289.53
11-09 250.8
11-10 251.29
11-11 231.37
11-12 197.07
11-13 191.6
11-14 211.87
11-15 212.84
11-16 212.09
11-17 214.62
11-18 227.55
11-19 226.74
11-20 226.65
11-21 197.52
11-22 204.76
11-23 221.85
11-24 229.52
11-25 249.67
11-26 256.0
11-27 359.77
11-28 356.92
11-29 332.24
11-30 402.82
12-01 417.59
12-02 425.79
12-03 406.41
12-04 356.0
12-05 434.07
12-06 348.69
12-07 579.15
12-08 589.38
12-09 581.03
12-10 574.36
12-11 569.27
12-12 586.91
12-13 566.0
12-14 525.74
12-15 512.07
12-16 527.61
12-17 539.45
12-18 557.45
12-19 601.76
12-20 606.63
12-21 525.24
12-22 550.68
12-23 584.29
12-24 664.55
12-25 690.57
12-26 703.11
12-27 881.14
12-28 981.2
12-29 836.76
12-30 1059.2
12-31 1245.95

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index