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Air Quality Alert
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The Illinois Environmental Protection Agency in Springfield Illinois is forecasting unhealthy conditions for sensitive groups (USG) for fine particulates due to smoke from 4 AM Sunday to midnight CDT Sunday night. Smoke may also linger across much of Illinois Monday. Active children and adults, especially people with pulmonary or respiratory disease such as asthma, should limit prolonged outdoor activity. Residents are urged to montior smoke levels. Air quality forecasts and tips on how you can reduce your emissions can be found at www.airnow.gov. Media Contact...217 558 1536.

Illinois River At Valley City, 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 22680.83
01-02 24250.83
01-03 26458.33
01-04 26916.67
01-05 26880.0
01-06 26214.17
01-07 25610.0
01-08 25053.33
01-09 24887.5
01-10 24637.5
01-11 24847.5
01-12 25477.5
01-13 26714.55
01-14 27114.55
01-15 28097.27
01-16 26942.5
01-17 25864.62
01-18 24548.33
01-19 25383.08
01-20 25043.85
01-21 25050.83
01-22 23543.85
01-23 24534.17
01-24 23017.69
01-25 23031.54
01-26 20856.67
01-27 23997.27
01-28 26285.0
01-29 24620.0
01-30 23605.0
01-31 24167.86
02-01 23166.43
02-02 24240.71
02-03 23905.0
02-04 24578.57
02-05 24908.57
02-06 25531.54
02-07 25941.54
02-08 25753.08
02-09 24596.43
02-10 24618.57
02-11 21157.69
02-12 25237.14
02-13 25074.29
02-14 25321.43
02-15 25127.14
02-16 24675.0
02-17 23675.38
02-18 23491.54
02-19 23997.69
02-20 24174.29
02-21 24849.23
02-22 26291.43
02-23 27917.86
02-24 28926.43
02-25 28400.77
02-26 28662.31
02-27 30218.57
02-28 30377.14
02-29 23400.0
03-01 30783.57
03-02 31481.43
03-03 31893.57
03-04 31753.57
03-05 31779.29
03-06 31385.38
03-07 32652.86
03-08 33188.57
03-09 33214.29
03-10 33835.71
03-11 35364.29
03-12 36250.0
03-13 36878.57
03-14 36869.23
03-15 36025.0
03-16 37046.15
03-17 38576.92
03-18 35650.0
03-19 36007.14
03-20 38007.14
03-21 38013.33
03-22 37778.57
03-23 38353.33
03-24 37886.67
03-25 37786.67
03-26 37533.33
03-27 37560.0
03-28 37686.67
03-29 36886.67
03-30 36313.33
03-31 35957.14
04-01 36260.0
04-02 36960.0
04-03 37446.67
04-04 38040.0
04-05 38893.33
04-06 39613.33
04-07 39693.33
04-08 39985.33
04-09 38889.29
04-10 40250.67
04-11 40720.0
04-12 40617.14
04-13 40730.0
04-14 40598.57
04-15 40946.15
04-16 41107.69
04-17 42961.54
04-18 49576.92
04-19 38375.0
04-20 39592.31
04-21 38778.57
04-22 39042.86
04-23 39907.14
04-24 41514.29
04-25 47500.0
04-26 37069.23
04-27 39142.86
04-28 36307.14
04-29 37847.69
04-30 37400.0
05-01 40020.0
05-02 40400.0
05-03 41328.57
05-04 39378.57
05-05 43033.33
05-06 44433.33
05-07 45220.0
05-08 43078.57
05-09 48228.57
05-10 49378.57
05-11 49342.86
05-12 47786.67
05-13 49228.57
05-14 46450.0
05-15 51633.33
05-16 48715.38
05-17 48092.31
05-18 44713.57
05-19 44720.0
05-20 47092.86
05-21 45286.67
05-22 44966.67
05-23 45314.29
05-24 44173.33
05-25 43193.33
05-26 42473.33
05-27 42693.33
05-28 42046.67
05-29 42058.67
05-30 41514.67
05-31 40958.67
06-01 41200.0
06-02 41674.0
06-03 41345.33
06-04 40912.67
06-05 41502.86
06-06 40803.57
06-07 39506.43
06-08 37288.0
06-09 37046.0
06-10 36599.33
06-11 35701.33
06-12 36067.14
06-13 35685.71
06-14 35402.86
06-15 38484.29
06-16 38315.71
06-17 36138.0
06-18 36300.71
06-19 37817.14
06-20 38420.71
06-21 38992.14
06-22 39586.43
06-23 42915.38
06-24 43230.77
06-25 40533.57
06-26 44410.77
06-27 42362.14
06-28 42982.14
06-29 43100.71
06-30 43388.57
07-01 43003.57
07-02 42891.43
07-03 42925.0
07-04 42225.0
07-05 39277.33
07-06 38650.0
07-07 40141.43
07-08 39447.14
07-09 40452.31
07-10 37792.14
07-11 36612.86
07-12 31159.23
07-13 33171.43
07-14 34344.0
07-15 33640.0
07-16 32356.43
07-17 32704.67
07-18 32287.33
07-19 30573.57
07-20 29769.29
07-21 29068.57
07-22 28867.86
07-23 28246.43
07-24 27077.14
07-25 26384.29
07-26 26639.29
07-27 26508.57
07-28 25796.43
07-29 24710.71
07-30 23763.57
07-31 23089.29
08-01 22887.5
08-02 20827.86
08-03 19702.86
08-04 18451.43
08-05 17139.29
08-06 16562.31
08-07 15425.0
08-08 12471.54
08-09 11904.62
08-10 11835.38
08-11 13686.43
08-12 13133.57
08-13 12994.29
08-14 12525.71
08-15 11990.71
08-16 12015.38
08-17 11526.15
08-18 11052.5
08-19 10691.67
08-20 10723.33
08-21 10996.92
08-22 11000.0
08-23 11949.29
08-24 11074.62
08-25 10721.54
08-26 12023.57
08-27 12451.43
08-28 12330.71
08-29 11664.29
08-30 12496.43
08-31 12826.92
09-01 12278.57
09-02 12528.46
09-03 11858.46
09-04 11489.23
09-05 10941.43
09-06 10891.43
09-07 11943.85
09-08 11882.86
09-09 11939.23
09-10 11712.31
09-11 13508.57
09-12 13446.43
09-13 13682.86
09-14 13875.0
09-15 13539.29
09-16 13477.14
09-17 13585.71
09-18 13923.57
09-19 14454.29
09-20 14515.0
09-21 14106.43
09-22 13558.46
09-23 14669.23
09-24 13407.86
09-25 12651.43
09-26 12272.14
09-27 11508.57
09-28 10635.71
09-29 10777.14
09-30 11298.46
10-01 11725.0
10-02 10705.83
10-03 11578.46
10-04 12373.08
10-05 12441.43
10-06 12506.43
10-07 13072.14
10-08 13613.57
10-09 14282.14
10-10 14557.86
10-11 14525.71
10-12 14830.71
10-13 14561.43
10-14 14373.57
10-15 14903.08
10-16 14025.38
10-17 15351.43
10-18 15155.71
10-19 14712.86
10-20 14723.57
10-21 15238.33
10-22 14166.43
10-23 14353.57
10-24 14190.71
10-25 15471.43
10-26 15540.71
10-27 16045.38
10-28 14528.46
10-29 15137.86
10-30 15328.57
10-31 16641.43
11-01 16709.29
11-02 17768.46
11-03 17574.29
11-04 17582.86
11-05 17852.86
11-06 15273.85
11-07 14830.77
11-08 15198.46
11-09 15460.77
11-10 14573.85
11-11 14155.38
11-12 13975.83
11-13 13516.67
11-14 16490.0
11-15 15961.43
11-16 14662.14
11-17 14590.0
11-18 14503.85
11-19 14241.54
11-20 14025.38
11-21 14817.86
11-22 14377.5
11-23 13145.38
11-24 11171.67
11-25 11228.33
11-26 12534.62
11-27 14007.69
11-28 13916.92
11-29 16200.0
11-30 16480.71
12-01 16716.43
12-02 18025.71
12-03 18409.29
12-04 17646.15
12-05 17725.71
12-06 16851.54
12-07 18167.86
12-08 17875.71
12-09 17400.71
12-10 16686.43
12-11 16680.71
12-12 16307.14
12-13 15893.57
12-14 14003.85
12-15 14066.92
12-16 14366.92
12-17 16913.08
12-18 17252.31
12-19 17572.31
12-20 15860.83
12-21 15336.67
12-22 17486.92
12-23 17433.08
12-24 16916.15
12-25 16791.54
12-26 16998.46
12-27 17520.83
12-28 17921.67
12-29 14929.09
12-30 20024.55
12-31 20343.33

Annual Peak Streamflow


Seasonal Comparison


Oceanic Nino Index