Skip Navigation Link weather.gov  
NOAA logo - Click to go to the NOAA homepage National Weather Service NWS logo - Click to go to the NWS homepage
Advanced Hydrologic Prediction Service
Image background of Navigation bar Left
Bookmark and Share Navigation Bar End Cap

  
 



Hydrograph River at a Glance Download
Illinois River near La Salle Stage (ft)Flow (kcfs)Observed: 11.67 ft at 1:30AM Jun 28, 2022Observed: 11.5 ft at 1:45AM Jun 28, 2022Observed: 11.51 ft at 2:00AM Jun 28, 2022Observed: 11.5 ft at 2:15AM Jun 28, 2022Observed: 11.5 ft at 2:30AM Jun 28, 2022Observed: 11.59 ft at 2:45AM Jun 28, 2022Observed: 11.54 ft at 3:00AM Jun 28, 2022Observed: 11.53 ft at 3:15AM Jun 28, 2022Observed: 11.54 ft at 3:30AM Jun 28, 2022Observed: 11.53 ft at 3:45AM Jun 28, 2022Observed: 11.53 ft at 4:00AM Jun 28, 2022Observed: 11.52 ft at 4:15AM Jun 28, 2022Observed: 11.51 ft at 4:30AM Jun 28, 2022Observed: 11.53 ft at 4:45AM Jun 28, 2022Observed: 11.55 ft at 5:00AM Jun 28, 2022Observed: 11.52 ft at 5:15AM Jun 28, 2022Observed: 11.51 ft at 5:30AM Jun 28, 2022Observed: 11.5 ft at 5:45AM Jun 28, 2022Observed: 11.52 ft at 6:00AM Jun 28, 2022Observed: 11.46 ft at 6:15AM Jun 28, 2022Observed: 11.49 ft at 6:30AM Jun 28, 2022Observed: 11.49 ft at 6:45AM Jun 28, 2022Observed: 11.48 ft at 7:00AM Jun 28, 2022Observed: 11.47 ft at 7:15AM Jun 28, 2022Observed: 11.38 ft at 7:30AM Jun 28, 2022Observed: 11.41 ft at 7:45AM Jun 28, 2022Observed: 11.34 ft at 8:00AM Jun 28, 2022Observed: 11.45 ft at 8:15AM Jun 28, 2022Observed: 11.43 ft at 8:30AM Jun 28, 2022Observed: 11.36 ft at 8:45AM Jun 28, 2022Observed: 11.39 ft at 9:00AM Jun 28, 2022Observed: 11.48 ft at 9:15AM Jun 28, 2022Observed: 11.25 ft at 9:30AM Jun 28, 2022Observed: 11.32 ft at 9:45AM Jun 28, 2022Observed: 11.3 ft at 10:00AM Jun 28, 2022Observed: 11.28 ft at 10:15AM Jun 28, 2022Observed: 11.3 ft at 10:30AM Jun 28, 2022Observed: 11.29 ft at 10:45AM Jun 28, 2022Observed: 11.29 ft at 11:00AM Jun 28, 2022Observed: 11.28 ft at 11:15AM Jun 28, 2022Observed: 11.16 ft at 11:30AM Jun 28, 2022Observed: 11.3 ft at 11:45AM Jun 28, 2022Observed: 11.32 ft at 12:00PM Jun 28, 2022Observed: 11.37 ft at 12:15PM Jun 28, 2022Observed: 11.35 ft at 12:30PM Jun 28, 2022Observed: 11.23 ft at 12:45PM Jun 28, 2022Observed: 11.3 ft at 1:00PM Jun 28, 2022Observed: 11.3 ft at 1:15PM Jun 28, 2022Observed: 11.38 ft at 1:30PM Jun 28, 2022Observed: 11.38 ft at 1:45PM Jun 28, 2022Observed: 11.31 ft at 2:00PM Jun 28, 2022Observed: 11.3 ft at 2:15PM Jun 28, 2022Observed: 11.33 ft at 2:30PM Jun 28, 2022Observed: 11.32 ft at 2:45PM Jun 28, 2022Observed: 11.31 ft at 3:00PM Jun 28, 2022Observed: 11.31 ft at 3:15PM Jun 28, 2022Observed: 11.31 ft at 3:30PM Jun 28, 2022Observed: 11.29 ft at 3:45PM Jun 28, 2022Observed: 11.34 ft at 4:00PM Jun 28, 2022Observed: 11.26 ft at 4:15PM Jun 28, 2022Observed: 11.29 ft at 4:30PM Jun 28, 2022Observed: 11.29 ft at 4:45PM Jun 28, 2022Observed: 11.28 ft at 5:00PM Jun 28, 2022Observed: 11.26 ft at 5:15PM Jun 28, 2022Observed: 11.25 ft at 5:30PM Jun 28, 2022Observed: 11.32 ft at 5:45PM Jun 28, 2022Observed: 11.31 ft at 6:00PM Jun 28, 2022Observed: 11.3 ft at 6:15PM Jun 28, 2022Observed: 11.45 ft at 6:30PM Jun 28, 2022Observed: 11.31 ft at 6:45PM Jun 28, 2022Observed: 11.32 ft at 7:00PM Jun 28, 2022Observed: 11.33 ft at 7:15PM Jun 28, 2022Observed: 11.32 ft at 7:30PM Jun 28, 2022Observed: 11.32 ft at 7:45PM Jun 28, 2022Observed: 11.33 ft at 8:00PM Jun 28, 2022Observed: 11.34 ft at 8:15PM Jun 28, 2022Observed: 11.34 ft at 8:30PM Jun 28, 2022Observed: 11.32 ft at 8:45PM Jun 28, 2022Observed: 11.25 ft at 9:00PM Jun 28, 2022Observed: 11.25 ft at 9:15PM Jun 28, 2022Observed: 11.27 ft at 9:30PM Jun 28, 2022Observed: 11.26 ft at 9:45PM Jun 28, 2022Observed: 11.32 ft at 10:00PM Jun 28, 2022Observed: 11.2 ft at 10:15PM Jun 28, 2022Observed: 11.2 ft at 10:30PM Jun 28, 2022Observed: 11.19 ft at 10:45PM Jun 28, 2022Observed: 11.18 ft at 11:00PM Jun 28, 2022Observed: 11.2 ft at 11:15PM Jun 28, 2022Observed: 11.13 ft at 11:30PM Jun 28, 2022Observed: 11.15 ft at 11:45PM Jun 28, 2022Observed: 11.14 ft at 12:00AM Jun 29, 2022Observed: 11.11 ft at 12:15AM Jun 29, 2022Observed: 11.18 ft at 12:30AM Jun 29, 2022Observed: 11.09 ft at 12:45AM Jun 29, 2022Observed: 11.14 ft at 1:00AM Jun 29, 2022Observed: 11.12 ft at 1:15AM Jun 29, 2022Observed: 11.14 ft at 1:30AM Jun 29, 2022Observed: 11.13 ft at 1:45AM Jun 29, 2022Observed: 11.12 ft at 2:00AM Jun 29, 2022Observed: 11.13 ft at 2:15AM Jun 29, 2022Observed: 11.15 ft at 2:30AM Jun 29, 2022Observed: 11.29 ft at 2:45AM Jun 29, 2022Observed: 11.29 ft at 3:00AM Jun 29, 2022Observed: 11.19 ft at 3:15AM Jun 29, 2022Observed: 11.2 ft at 3:30AM Jun 29, 2022Observed: 11.2 ft at 3:45AM Jun 29, 2022Observed: 11.17 ft at 4:00AM Jun 29, 2022Observed: 11.19 ft at 4:15AM Jun 29, 2022Observed: 11.21 ft at 4:30AM Jun 29, 2022Observed: 11.21 ft at 4:45AM Jun 29, 2022Observed: 11.19 ft at 5:00AM Jun 29, 2022Observed: 11.19 ft at 5:15AM Jun 29, 2022Observed: 11.19 ft at 5:30AM Jun 29, 2022Observed: 11.18 ft at 5:45AM Jun 29, 2022Observed: 11.19 ft at 6:00AM Jun 29, 2022Observed: 11.18 ft at 6:15AM Jun 29, 2022Observed: 11.19 ft at 6:30AM Jun 29, 2022Observed: 11.21 ft at 6:45AM Jun 29, 2022Observed: 11.19 ft at 7:00AM Jun 29, 2022Observed: 11.18 ft at 7:15AM Jun 29, 2022Observed: 11.02 ft at 7:30AM Jun 29, 2022Observed: 11.25 ft at 7:45AM Jun 29, 2022Observed: 11.24 ft at 8:00AM Jun 29, 2022Observed: 11.13 ft at 8:15AM Jun 29, 2022Observed: 11.13 ft at 8:30AM Jun 29, 2022Observed: 11.13 ft at 8:45AM Jun 29, 2022Observed: 11.31 ft at 9:00AM Jun 29, 2022Observed: 11.22 ft at 9:15AM Jun 29, 2022Observed: 11.19 ft at 9:30AM Jun 29, 2022Observed: 11.16 ft at 9:45AM Jun 29, 2022Observed: 11.15 ft at 10:00AM Jun 29, 2022Observed: 11.33 ft at 10:15AM Jun 29, 2022Observed: 11.2 ft at 10:30AM Jun 29, 2022Observed: 11.17 ft at 10:45AM Jun 29, 2022Observed: 11.25 ft at 11:00AM Jun 29, 2022Observed: 11.25 ft at 11:15AM Jun 29, 2022Observed: 11.18 ft at 11:30AM Jun 29, 2022Observed: 11.16 ft at 11:45AM Jun 29, 2022Observed: 11.18 ft at 12:00PM Jun 29, 2022Observed: 11.24 ft at 12:15PM Jun 29, 2022Observed: 11.25 ft at 12:30PM Jun 29, 2022Observed: 11.19 ft at 12:45PM Jun 29, 2022Observed: 11.18 ft at 1:00PM Jun 29, 2022Observed: 11.3 ft at 1:15PM Jun 29, 2022Observed: 11.22 ft at 1:30PM Jun 29, 2022Observed: 11.21 ft at 1:45PM Jun 29, 2022Observed: 11.2 ft at 2:00PM Jun 29, 2022Observed: 11.21 ft at 2:15PM Jun 29, 2022Observed: 11.24 ft at 2:30PM Jun 29, 2022Observed: 11.25 ft at 2:45PM Jun 29, 2022Observed: 11.25 ft at 3:00PM Jun 29, 2022Observed: 11.17 ft at 3:15PM Jun 29, 2022Observed: 11.24 ft at 3:30PM Jun 29, 2022Observed: 11.23 ft at 3:45PM Jun 29, 2022Observed: 11.22 ft at 4:00PM Jun 29, 2022Observed: 11.23 ft at 4:15PM Jun 29, 2022Observed: 11.2 ft at 4:30PM Jun 29, 2022Observed: 11.21 ft at 4:45PM Jun 29, 2022Observed: 11.2 ft at 5:00PM Jun 29, 2022Observed: 11.2 ft at 5:15PM Jun 29, 2022Observed: 11.27 ft at 5:30PM Jun 29, 2022Observed: 11.25 ft at 5:45PM Jun 29, 2022Observed: 11.14 ft at 6:00PM Jun 29, 2022Observed: 11.12 ft at 6:15PM Jun 29, 2022Observed: 11.08 ft at 6:30PM Jun 29, 2022Observed: 11.14 ft at 6:45PM Jun 29, 2022Observed: 11.1 ft at 7:00PM Jun 29, 2022Observed: 11.1 ft at 7:15PM Jun 29, 2022Observed: 11.1 ft at 7:30PM Jun 29, 2022Observed: 10.99 ft at 7:45PM Jun 29, 2022Observed: 11.19 ft at 8:00PM Jun 29, 2022Observed: 11.27 ft at 8:15PM Jun 29, 2022Observed: 11.29 ft at 8:30PM Jun 29, 2022Observed: 11.18 ft at 8:45PM Jun 29, 2022Observed: 11.31 ft at 9:00PM Jun 29, 2022Observed: 11.21 ft at 9:15PM Jun 29, 2022Observed: 11.2 ft at 9:30PM Jun 29, 2022Observed: 11.21 ft at 9:45PM Jun 29, 2022Observed: 11.25 ft at 10:00PM Jun 29, 2022Observed: 11.35 ft at 10:15PM Jun 29, 2022Observed: 11.33 ft at 10:30PM Jun 29, 2022Observed: 11.25 ft at 10:45PM Jun 29, 2022Observed: 11.15 ft at 11:00PM Jun 29, 2022Observed: 11.3 ft at 11:15PM Jun 29, 2022Observed: 11.28 ft at 11:30PM Jun 29, 2022Observed: 11.26 ft at 11:45PM Jun 29, 2022Observed: 11.3 ft at 12:00AM Jun 30, 2022Observed: 11.3 ft at 12:15AM Jun 30, 2022Observed: 11.32 ft at 12:30AM Jun 30, 2022Observed: 11.29 ft at 12:45AM Jun 30, 2022Observed: 11.29 ft at 1:00AM Jun 30, 2022Observed: 11.28 ft at 1:15AM Jun 30, 2022Observed: 11.34 ft at 1:30AM Jun 30, 2022Observed: 11.27 ft at 1:45AM Jun 30, 2022Observed: 11.23 ft at 2:00AM Jun 30, 2022Observed: 11.23 ft at 2:15AM Jun 30, 2022Observed: 11.31 ft at 2:30AM Jun 30, 2022Observed: 11.29 ft at 2:45AM Jun 30, 2022Observed: 11.28 ft at 3:00AM Jun 30, 2022Observed: 11.2 ft at 3:15AM Jun 30, 2022Observed: 11.27 ft at 3:30AM Jun 30, 2022Observed: 11.26 ft at 3:45AM Jun 30, 2022Observed: 11.3 ft at 4:00AM Jun 30, 2022Observed: 11.31 ft at 4:15AM Jun 30, 2022Observed: 11.22 ft at 4:30AM Jun 30, 2022Observed: 11.25 ft at 4:45AM Jun 30, 2022Observed: 11.27 ft at 5:00AM Jun 30, 2022Observed: 11.33 ft at 5:15AM Jun 30, 2022Observed: 11.38 ft at 5:30AM Jun 30, 2022Observed: 11.32 ft at 5:45AM Jun 30, 2022Observed: 11.34 ft at 6:00AM Jun 30, 2022Observed: 11.35 ft at 6:15AM Jun 30, 2022Observed: 11.38 ft at 6:30AM Jun 30, 2022Observed: 11.4 ft at 6:45AM Jun 30, 2022Observed: 11.37 ft at 7:00AM Jun 30, 2022Observed: 11.54 ft at 7:15AM Jun 30, 2022Observed: 11.37 ft at 7:30AM Jun 30, 2022Observed: 11.39 ft at 7:45AM Jun 30, 2022Observed: 11.4 ft at 8:00AM Jun 30, 2022Observed: 11.42 ft at 8:15AM Jun 30, 2022Observed: 11.42 ft at 8:30AM Jun 30, 2022Observed: 11.33 ft at 8:45AM Jun 30, 2022Observed: 11.35 ft at 9:00AM Jun 30, 2022Observed: 11.61 ft at 9:15AM Jun 30, 2022Observed: 11.43 ft at 9:30AM Jun 30, 2022Observed: 11.45 ft at 9:45AM Jun 30, 2022Observed: 11.39 ft at 10:00AM Jun 30, 2022Observed: 11.4 ft at 10:15AM Jun 30, 2022Observed: 11.42 ft at 10:30AM Jun 30, 2022Observed: 11.39 ft at 10:45AM Jun 30, 2022Observed: 11.41 ft at 11:00AM Jun 30, 2022Observed: 11.42 ft at 11:15AM Jun 30, 2022Observed: 11.42 ft at 11:30AM Jun 30, 2022Observed: 11.4 ft at 11:45AM Jun 30, 2022Observed: 11.42 ft at 12:00PM Jun 30, 2022Observed: 11.41 ft at 12:15PM Jun 30, 2022Observed: 11.41 ft at 12:30PM Jun 30, 2022Observed: 11.32 ft at 12:45PM Jun 30, 2022Observed: 11.33 ft at 1:00PM Jun 30, 2022Observed: 11.34 ft at 1:15PM Jun 30, 2022Observed: 11.38 ft at 1:30PM Jun 30, 2022Observed: 11.46 ft at 1:45PM Jun 30, 2022Observed: 11.41 ft at 2:00PM Jun 30, 2022Observed: 11.42 ft at 2:15PM Jun 30, 2022Observed: 11.49 ft at 2:30PM Jun 30, 2022Observed: 11.39 ft at 2:45PM Jun 30, 2022Observed: 11.37 ft at 3:00PM Jun 30, 2022Observed: 11.44 ft at 3:15PM Jun 30, 2022Observed: 11.29 ft at 3:30PM Jun 30, 2022Observed: 11.41 ft at 3:45PM Jun 30, 2022Observed: 11.35 ft at 4:00PM Jun 30, 2022Observed: 11.28 ft at 4:15PM Jun 30, 2022Observed: 11.39 ft at 4:30PM Jun 30, 2022Observed: 11.29 ft at 4:45PM Jun 30, 2022Observed: 11.38 ft at 5:00PM Jun 30, 2022Observed: 11.3 ft at 5:15PM Jun 30, 2022Observed: 11.21 ft at 5:30PM Jun 30, 2022Observed: 11.31 ft at 5:45PM Jun 30, 2022Observed: 11.32 ft at 6:00PM Jun 30, 2022Observed: 11.31 ft at 6:15PM Jun 30, 2022Observed: 11.29 ft at 6:30PM Jun 30, 2022Observed: 11.29 ft at 6:45PM Jun 30, 2022Observed: 11.32 ft at 7:00PM Jun 30, 2022Observed: 11.31 ft at 7:15PM Jun 30, 2022Observed: 11.33 ft at 7:30PM Jun 30, 2022Observed: 11.34 ft at 7:45PM Jun 30, 2022Observed: 11.33 ft at 8:00PM Jun 30, 2022Observed: 11.38 ft at 8:15PM Jun 30, 2022Observed: 11.37 ft at 8:30PM Jun 30, 2022Observed: 11.38 ft at 8:45PM Jun 30, 2022Observed: 11.31 ft at 9:00PM Jun 30, 2022Observed: 11.33 ft at 9:15PM Jun 30, 2022Observed: 11.41 ft at 9:30PM Jun 30, 2022Observed: 11.4 ft at 9:45PM Jun 30, 2022Observed: 11.41 ft at 10:00PM Jun 30, 2022Observed: 11.4 ft at 10:15PM Jun 30, 2022Observed: 11.41 ft at 10:30PM Jun 30, 2022Observed: 11.41 ft at 10:45PM Jun 30, 2022Observed: 11.43 ft at 11:00PM Jun 30, 2022Observed: 11.37 ft at 11:15PM Jun 30, 2022Observed: 11.35 ft at 11:30PM Jun 30, 2022Observed: 11.33 ft at 11:45PM Jun 30, 2022Observed: 11.3 ft at 12:00AM Jul 01, 2022Observed: 11.29 ft at 12:15AM Jul 01, 2022Observed: 11.29 ft at 12:30AM Jul 01, 2022Observed: 11.29 ft at 12:45AM Jul 01, 2022Observed: 11.23 ft at 1:00AM Jul 01, 2022Observed: 11.24 ft at 1:15AM Jul 01, 2022Observed: 11.23 ft at 1:30AM Jul 01, 2022Observed: 11.21 ft at 1:45AM Jul 01, 2022Observed: 11.22 ft at 2:00AM Jul 01, 2022Observed: 11.22 ft at 2:15AM Jul 01, 2022Observed: 11.23 ft at 2:30AM Jul 01, 2022Observed: 11.24 ft at 2:45AM Jul 01, 2022Observed: 11.24 ft at 3:00AM Jul 01, 2022Observed: 11.23 ft at 3:15AM Jul 01, 2022Observed: 11.19 ft at 3:30AM Jul 01, 2022Observed: 11.19 ft at 3:45AM Jul 01, 2022Observed: 11.41 ft at 4:00AM Jul 01, 2022Observed: 11.1 ft at 4:15AM Jul 01, 2022Observed: 11.26 ft at 4:30AM Jul 01, 2022Observed: 11.12 ft at 4:45AM Jul 01, 2022Observed: 11.2 ft at 5:00AM Jul 01, 2022Observed: 11.18 ft at 5:15AM Jul 01, 2022Observed: 11.15 ft at 5:30AM Jul 01, 2022Observed: 11.15 ft at 5:45AM Jul 01, 2022Observed: 11.14 ft at 6:00AM Jul 01, 2022Observed: 11.12 ft at 6:15AM Jul 01, 2022Observed: 11.27 ft at 6:30AM Jul 01, 2022Observed: 11.12 ft at 6:45AM Jul 01, 2022Observed: 11.13 ft at 7:00AM Jul 01, 2022Observed: 11.15 ft at 7:15AM Jul 01, 2022Observed: 11.14 ft at 7:30AM Jul 01, 2022Observed: 11.14 ft at 7:45AM Jul 01, 2022Observed: 11.15 ft at 8:00AM Jul 01, 2022Observed: 11.08 ft at 8:15AM Jul 01, 2022Observed: 11.1 ft at 8:30AM Jul 01, 2022Observed: 11.13 ft at 8:45AM Jul 01, 2022Observed: 11.16 ft at 9:00AM Jul 01, 2022Observed: 11.15 ft at 9:15AM Jul 01, 2022Observed: 11.13 ft at 9:30AM Jul 01, 2022Observed: 11.28 ft at 9:45AM Jul 01, 2022Observed: 11.17 ft at 10:00AM Jul 01, 2022Observed: 11.16 ft at 10:15AM Jul 01, 2022Observed: 11.15 ft at 10:30AM Jul 01, 2022Observed: 11.13 ft at 10:45AM Jul 01, 2022Observed: 11.1 ft at 11:00AM Jul 01, 2022Observed: 11.11 ft at 11:15AM Jul 01, 2022Observed: 11.15 ft at 11:30AM Jul 01, 2022Observed: 11.23 ft at 11:45AM Jul 01, 2022Observed: 11.21 ft at 12:00PM Jul 01, 2022Observed: 11.18 ft at 12:15PM Jul 01, 2022Observed: 11.19 ft at 12:30PM Jul 01, 2022Observed: 11.21 ft at 12:45PM Jul 01, 2022Observed: 11.19 ft at 1:00PM Jul 01, 2022Observed: 11.17 ft at 1:15PM Jul 01, 2022Observed: 11.22 ft at 1:30PM Jul 01, 2022Observed: 11.14 ft at 1:45PM Jul 01, 2022Observed: 11.23 ft at 2:00PM Jul 01, 2022Observed: 11.21 ft at 2:15PM Jul 01, 2022Observed: 11.21 ft at 2:30PM Jul 01, 2022Observed: 11.21 ft at 2:45PM Jul 01, 2022Observed: 11.21 ft at 3:00PM Jul 01, 2022Observed: 11.21 ft at 3:15PM Jul 01, 2022Observed: 11.21 ft at 3:30PM Jul 01, 2022Observed: 11.18 ft at 3:45PM Jul 01, 2022Observed: 11.26 ft at 4:00PM Jul 01, 2022Observed: 11.21 ft at 4:15PM Jul 01, 2022Observed: 11.14 ft at 4:30PM Jul 01, 2022Observed: 11.11 ft at 4:45PM Jul 01, 2022Observed: 11.09 ft at 5:00PM Jul 01, 2022Observed: 11.1 ft at 5:15PM Jul 01, 2022Observed: 11.12 ft at 5:30PM Jul 01, 2022Observed: 11.19 ft at 5:45PM Jul 01, 2022Observed: 11.21 ft at 6:00PM Jul 01, 2022Observed: 11.2 ft at 6:15PM Jul 01, 2022Observed: 11.2 ft at 6:30PM Jul 01, 2022Observed: 11.33 ft at 6:45PM Jul 01, 2022Observed: 11.23 ft at 7:00PM Jul 01, 2022Observed: 11.31 ft at 7:15PM Jul 01, 2022Observed: 11.3 ft at 7:30PM Jul 01, 2022Observed: 11.31 ft at 7:45PM Jul 01, 2022Observed: 11.19 ft at 8:00PM Jul 01, 2022Observed: 11.39 ft at 8:15PM Jul 01, 2022Observed: 11.3 ft at 8:30PM Jul 01, 2022Observed: 11.33 ft at 8:45PM Jul 01, 2022Observed: 11.33 ft at 9:00PM Jul 01, 2022Observed: 11.33 ft at 9:15PM Jul 01, 2022Observed: 11.35 ft at 9:30PM Jul 01, 2022Observed: 11.33 ft at 9:45PM Jul 01, 2022Observed: 11.4 ft at 10:00PM Jul 01, 2022Observed: 11.39 ft at 10:15PM Jul 01, 2022Observed: 11.37 ft at 10:30PM Jul 01, 2022Observed: 11.37 ft at 10:45PM Jul 01, 2022Observed: 11.38 ft at 11:00PM Jul 01, 2022Observed: 11.4 ft at 11:15PM Jul 01, 2022Observed: 11.41 ft at 11:30PM Jul 01, 2022Observed: 11.34 ft at 11:45PM Jul 01, 2022Observed: 11.36 ft at 12:00AM Jul 02, 2022Observed: 11.38 ft at 12:15AM Jul 02, 2022Observed: 11.4 ft at 12:30AM Jul 02, 2022Observed: 11.51 ft at 12:45AM Jul 02, 2022Observed: 11.41 ft at 1:00AM Jul 02, 2022Observed: 11.41 ft at 1:15AM Jul 02, 2022Observed: 11.41 ft at 1:30AM Jul 02, 2022Observed: 11.39 ft at 1:45AM Jul 02, 2022Observed: 11.37 ft at 2:00AM Jul 02, 2022Observed: 11.37 ft at 2:15AM Jul 02, 2022Observed: 11.35 ft at 2:30AM Jul 02, 2022Observed: 11.31 ft at 2:45AM Jul 02, 2022Observed: 11.28 ft at 3:00AM Jul 02, 2022Observed: 11.25 ft at 3:15AM Jul 02, 2022Observed: 11.15 ft at 3:30AM Jul 02, 2022Observed: 11.17 ft at 3:45AM Jul 02, 2022Observed: 11.31 ft at 4:00AM Jul 02, 2022Observed: 11.21 ft at 4:15AM Jul 02, 2022Observed: 11.12 ft at 4:30AM Jul 02, 2022Observed: 11.12 ft at 4:45AM Jul 02, 2022Observed: 11.13 ft at 5:00AM Jul 02, 2022Observed: 11.21 ft at 5:15AM Jul 02, 2022Observed: 11.09 ft at 5:30AM Jul 02, 2022Observed: 11.17 ft at 5:45AM Jul 02, 2022Observed: 11.16 ft at 6:00AM Jul 02, 2022Observed: 11.17 ft at 6:15AM Jul 02, 2022Observed: 11.15 ft at 6:30AM Jul 02, 2022Observed: 11.14 ft at 6:45AM Jul 02, 2022Observed: 11.14 ft at 7:00AM Jul 02, 2022Observed: 11.12 ft at 7:15AM Jul 02, 2022Observed: 11.11 ft at 7:30AM Jul 02, 2022Observed: 11.12 ft at 7:45AM Jul 02, 2022Observed: 11.13 ft at 8:00AM Jul 02, 2022Observed: 11.1 ft at 8:15AM Jul 02, 2022Observed: 11.11 ft at 8:30AM Jul 02, 2022Observed: 11.12 ft at 8:45AM Jul 02, 2022Observed: 11.19 ft at 9:00AM Jul 02, 2022Observed: 11.2 ft at 9:15AM Jul 02, 2022Observed: 11.17 ft at 9:30AM Jul 02, 2022Observed: 11.14 ft at 9:45AM Jul 02, 2022Observed: 11.15 ft at 10:00AM Jul 02, 2022Observed: 11.25 ft at 10:15AM Jul 02, 2022Observed: 11.17 ft at 10:30AM Jul 02, 2022Observed: 11.09 ft at 10:45AM Jul 02, 2022Observed: 11.1 ft at 11:00AM Jul 02, 2022Observed: 11.12 ft at 11:15AM Jul 02, 2022Observed: 11.15 ft at 11:30AM Jul 02, 2022Observed: 11.18 ft at 11:45AM Jul 02, 2022Observed: 11.17 ft at 12:00PM Jul 02, 2022Observed: 11.17 ft at 12:15PM Jul 02, 2022Observed: 11.15 ft at 12:30PM Jul 02, 2022Observed: 11.15 ft at 12:45PM Jul 02, 2022Observed: 11.17 ft at 1:00PM Jul 02, 2022Observed: 11.18 ft at 1:15PM Jul 02, 2022Observed: 11.16 ft at 1:30PM Jul 02, 2022Observed: 11.06 ft at 1:45PM Jul 02, 2022Observed: 11.17 ft at 2:00PM Jul 02, 2022Observed: 11.09 ft at 2:15PM Jul 02, 2022Observed: 11.07 ft at 2:30PM Jul 02, 2022Observed: 11.05 ft at 2:45PM Jul 02, 2022Observed: 11.15 ft at 3:00PM Jul 02, 2022Observed: 11.05 ft at 3:15PM Jul 02, 2022Observed: 11.12 ft at 3:30PM Jul 02, 2022Observed: 11.04 ft at 3:45PM Jul 02, 2022Observed: 11.04 ft at 4:00PM Jul 02, 2022Observed: 11.06 ft at 4:15PM Jul 02, 2022Observed: 11.09 ft at 4:30PM Jul 02, 2022Observed: 11.02 ft at 4:45PM Jul 02, 2022Observed: 11.08 ft at 5:00PM Jul 02, 2022Observed: 11.07 ft at 5:15PM Jul 02, 2022Observed: 10.99 ft at 5:30PM Jul 02, 2022Observed: 10.99 ft at 5:45PM Jul 02, 2022Observed: 10.9 ft at 6:00PM Jul 02, 2022Observed: 11.09 ft at 6:15PM Jul 02, 2022Observed: 10.93 ft at 6:30PM Jul 02, 2022Observed: 10.91 ft at 6:45PM Jul 02, 2022Observed: 10.83 ft at 7:00PM Jul 02, 2022Observed: 10.76 ft at 7:15PM Jul 02, 2022Observed: 10.83 ft at 7:30PM Jul 02, 2022Observed: 10.67 ft at 7:45PM Jul 02, 2022Observed: 10.75 ft at 8:00PM Jul 02, 2022Observed: 10.91 ft at 8:15PM Jul 02, 2022Observed: 10.93 ft at 8:30PM Jul 02, 2022Observed: 11.01 ft at 8:45PM Jul 02, 2022Observed: 10.82 ft at 9:00PM Jul 02, 2022Observed: 10.82 ft at 9:15PM Jul 02, 2022Observed: 10.83 ft at 9:30PM Jul 02, 2022Observed: 10.83 ft at 9:45PM Jul 02, 2022Observed: 10.92 ft at 10:00PM Jul 02, 2022Observed: 10.81 ft at 10:15PM Jul 02, 2022Observed: 10.8 ft at 10:30PM Jul 02, 2022Observed: 10.82 ft at 10:45PM Jul 02, 2022Observed: 10.75 ft at 11:00PM Jul 02, 2022Observed: 10.99 ft at 11:15PM Jul 02, 2022Observed: 10.78 ft at 11:30PM Jul 02, 2022Observed: 10.69 ft at 11:45PM Jul 02, 2022Observed: 10.7 ft at 12:00AM Jul 03, 2022Observed: 10.71 ft at 12:15AM Jul 03, 2022Observed: 10.77 ft at 12:30AM Jul 03, 2022Observed: 10.65 ft at 12:45AM Jul 03, 2022Observed: 10.65 ft at 1:00AM Jul 03, 2022Observed: 10.73 ft at 1:15AM Jul 03, 2022Observed: 10.93 ft at 1:30AM Jul 03, 2022Observed: 10.85 ft at 1:45AM Jul 03, 2022Observed: 10.82 ft at 2:00AM Jul 03, 2022Observed: 10.88 ft at 2:15AM Jul 03, 2022Observed: 10.89 ft at 2:30AM Jul 03, 2022Observed: 10.92 ft at 2:45AM Jul 03, 2022Observed: 10.8 ft at 3:00AM Jul 03, 2022Observed: 10.92 ft at 3:15AM Jul 03, 2022Observed: 10.92 ft at 3:30AM Jul 03, 2022Observed: 10.9 ft at 3:45AM Jul 03, 2022Observed: 10.84 ft at 4:00AM Jul 03, 2022Observed: 10.85 ft at 4:15AM Jul 03, 2022Observed: 10.89 ft at 4:30AM Jul 03, 2022Observed: 10.91 ft at 4:45AM Jul 03, 2022Observed: 10.93 ft at 5:00AM Jul 03, 2022Observed: 10.93 ft at 5:15AM Jul 03, 2022Observed: 10.94 ft at 5:30AM Jul 03, 2022Observed: 10.94 ft at 5:45AM Jul 03, 2022Observed: 11.03 ft at 6:00AM Jul 03, 2022Observed: 10.92 ft at 6:15AM Jul 03, 2022Observed: 10.93 ft at 6:30AM Jul 03, 2022Observed: 10.92 ft at 6:45AM Jul 03, 2022Observed: 10.94 ft at 7:00AM Jul 03, 2022Observed: 10.92 ft at 7:15AM Jul 03, 2022Observed: 10.92 ft at 7:30AM Jul 03, 2022Observed: 10.9 ft at 7:45AM Jul 03, 2022Observed: 10.92 ft at 8:00AM Jul 03, 2022Observed: 10.95 ft at 8:15AM Jul 03, 2022Observed: 10.9 ft at 8:30AM Jul 03, 2022Observed: 10.9 ft at 8:45AM Jul 03, 2022Observed: 10.92 ft at 9:00AM Jul 03, 2022Observed: 10.93 ft at 9:15AM Jul 03, 2022Observed: 11.01 ft at 9:30AM Jul 03, 2022Observed: 10.93 ft at 9:45AM Jul 03, 2022Observed: 10.94 ft at 10:00AM Jul 03, 2022Observed: 10.93 ft at 10:15AM Jul 03, 2022Observed: 10.94 ft at 10:30AM Jul 03, 2022Observed: 10.93 ft at 10:45AM Jul 03, 2022Observed: 10.91 ft at 11:00AM Jul 03, 2022Observed: 10.9 ft at 11:15AM Jul 03, 2022Observed: 10.88 ft at 11:30AM Jul 03, 2022Observed: 11.03 ft at 11:45AM Jul 03, 2022Observed: 10.91 ft at 12:00PM Jul 03, 2022Observed: 10.88 ft at 12:15PM Jul 03, 2022Observed: 10.89 ft at 12:30PM Jul 03, 2022Observed: 10.95 ft at 12:45PM Jul 03, 2022Observed: 10.94 ft at 1:00PM Jul 03, 2022Observed: 10.96 ft at 1:15PM Jul 03, 2022Observed: 10.95 ft at 1:30PM Jul 03, 2022Observed: 10.87 ft at 1:45PM Jul 03, 2022Observed: 10.87 ft at 2:00PM Jul 03, 2022Observed: 10.87 ft at 2:15PM Jul 03, 2022Observed: 10.85 ft at 2:30PM Jul 03, 2022Observed: 10.87 ft at 2:45PM Jul 03, 2022Observed: 10.9 ft at 3:00PM Jul 03, 2022Observed: 10.93 ft at 3:15PM Jul 03, 2022Observed: 10.97 ft at 3:30PM Jul 03, 2022Observed: 10.96 ft at 3:45PM Jul 03, 2022Observed: 10.93 ft at 4:00PM Jul 03, 2022Observed: 10.93 ft at 4:15PM Jul 03, 2022Observed: 10.93 ft at 4:30PM Jul 03, 2022Observed: 10.97 ft at 4:45PM Jul 03, 2022Observed: 10.91 ft at 5:00PM Jul 03, 2022Observed: 10.89 ft at 5:15PM Jul 03, 2022Observed: 10.87 ft at 5:30PM Jul 03, 2022Observed: 10.88 ft at 5:45PM Jul 03, 2022Observed: 10.92 ft at 6:00PM Jul 03, 2022Observed: 10.99 ft at 6:15PM Jul 03, 2022Observed: 10.9 ft at 6:30PM Jul 03, 2022Observed: 10.9 ft at 6:45PM Jul 03, 2022Observed: 10.91 ft at 7:00PM Jul 03, 2022Observed: 10.94 ft at 7:15PM Jul 03, 2022Observed: 10.98 ft at 7:30PM Jul 03, 2022Observed: 11.1 ft at 7:45PM Jul 03, 2022Observed: 11.04 ft at 8:00PM Jul 03, 2022Observed: 11.05 ft at 8:15PM Jul 03, 2022Observed: 11.05 ft at 8:30PM Jul 03, 2022Observed: 11.16 ft at 8:45PM Jul 03, 2022Observed: 11.07 ft at 9:00PM Jul 03, 2022Observed: 11.08 ft at 9:15PM Jul 03, 2022Observed: 11.06 ft at 9:30PM Jul 03, 2022Observed: 11.15 ft at 9:45PM Jul 03, 2022Observed: 11.14 ft at 10:00PM Jul 03, 2022Observed: 11.14 ft at 10:15PM Jul 03, 2022Observed: 11.14 ft at 10:30PM Jul 03, 2022Observed: 11.12 ft at 10:45PM Jul 03, 2022Observed: 11 ft at 11:00PM Jul 03, 2022Observed: 11.08 ft at 11:15PM Jul 03, 2022Observed: 11.05 ft at 11:30PM Jul 03, 2022Observed: 11.01 ft at 11:45PM Jul 03, 2022Observed: 11.26 ft at 12:00AM Jul 04, 2022Observed: 11.07 ft at 12:15AM Jul 04, 2022Observed: 11.05 ft at 12:30AM Jul 04, 2022Observed: 11.03 ft at 12:45AM Jul 04, 2022Observed: 11.03 ft at 1:00AM Jul 04, 2022Observed: 11.02 ft at 1:15AM Jul 04, 2022Observed: 11.02 ft at 1:30AM Jul 04, 2022Observed: 11.03 ft at 1:45AM Jul 04, 2022Observed: 11.05 ft at 2:00AM Jul 04, 2022Observed: 10.98 ft at 2:15AM Jul 04, 2022Observed: 10.98 ft at 2:30AM Jul 04, 2022Observed: 10.99 ft at 2:45AM Jul 04, 2022Observed: 11 ft at 3:00AM Jul 04, 2022Observed: 11.01 ft at 3:15AM Jul 04, 2022Observed: 11.03 ft at 3:30AM Jul 04, 2022Observed: 11.02 ft at 3:45AM Jul 04, 2022Observed: 11.02 ft at 4:00AM Jul 04, 2022Observed: 10.96 ft at 4:15AM Jul 04, 2022Observed: 11.02 ft at 4:30AM Jul 04, 2022Observed: 11.02 ft at 4:45AM Jul 04, 2022Observed: 11.03 ft at 5:00AM Jul 04, 2022Observed: 11.02 ft at 5:15AM Jul 04, 2022Observed: 11.01 ft at 5:30AM Jul 04, 2022Observed: 11.02 ft at 5:45AM Jul 04, 2022Observed: 11.03 ft at 6:00AM Jul 04, 2022Observed: 11.03 ft at 6:15AM Jul 04, 2022Observed: 11.02 ft at 6:30AM Jul 04, 2022Observed: 11.03 ft at 6:45AM Jul 04, 2022Observed: 11.19 ft at 7:00AM Jul 04, 2022Observed: 11.07 ft at 7:15AM Jul 04, 2022Observed: 11.07 ft at 7:30AM Jul 04, 2022Observed: 11.07 ft at 7:45AM Jul 04, 2022Observed: 11.04 ft at 8:00AM Jul 04, 2022Observed: 11.04 ft at 8:15AM Jul 04, 2022Observed: 11.02 ft at 8:30AM Jul 04, 2022Observed: 11.02 ft at 8:45AM Jul 04, 2022Observed: 11.02 ft at 9:00AM Jul 04, 2022Observed: 11.04 ft at 9:15AM Jul 04, 2022Observed: 11.05 ft at 9:30AM Jul 04, 2022Observed: 11.08 ft at 9:45AM Jul 04, 2022Observed: 11.09 ft at 10:00AM Jul 04, 2022Observed: 11.06 ft at 10:15AM Jul 04, 2022Observed: 11.05 ft at 10:30AM Jul 04, 2022Observed: 11.15 ft at 10:45AM Jul 04, 2022Observed: 11.14 ft at 11:00AM Jul 04, 2022Observed: 11.02 ft at 11:15AM Jul 04, 2022Observed: 11.02 ft at 11:30AM Jul 04, 2022Observed: 11.02 ft at 11:45AM Jul 04, 2022Observed: 11.03 ft at 12:00PM Jul 04, 2022Observed: 11.04 ft at 12:15PM Jul 04, 2022Observed: 11.04 ft at 12:30PM Jul 04, 2022Observed: 11.02 ft at 12:45PM Jul 04, 2022Observed: 11.01 ft at 1:00PM Jul 04, 2022Observed: 10.99 ft at 1:15PM Jul 04, 2022Observed: 11.01 ft at 1:30PM Jul 04, 2022Observed: 11.08 ft at 1:45PM Jul 04, 2022Observed: 11.1 ft at 2:00PM Jul 04, 2022Observed: 11.13 ft at 2:15PM Jul 04, 2022Observed: 11.16 ft at 2:30PM Jul 04, 2022Observed: 11.34 ft at 2:45PM Jul 04, 2022Observed: 11.52 ft at 3:00PM Jul 04, 2022Observed: 11.48 ft at 3:15PM Jul 04, 2022Observed: 11.67 ft at 3:30PM Jul 04, 2022Observed: 11.63 ft at 3:45PM Jul 04, 2022Observed: 11.68 ft at 4:00PM Jul 04, 2022Observed: 11.69 ft at 4:15PM Jul 04, 2022Observed: 11.67 ft at 4:30PM Jul 04, 2022Observed: 11.69 ft at 4:45PM Jul 04, 2022Observed: 11.72 ft at 5:00PM Jul 04, 2022Observed: 11.74 ft at 5:15PM Jul 04, 2022Observed: 11.77 ft at 5:30PM Jul 04, 2022Observed: 11.76 ft at 5:45PM Jul 04, 2022Highest Observation: 11.84 ft at 6:00PM Jul 04, 2022Observed: 11.81 ft at 6:15PM Jul 04, 2022Observed: 11.78 ft at 6:30PM Jul 04, 2022Observed: 11.75 ft at 6:45PM Jul 04, 2022Observed: 11.76 ft at 7:00PM Jul 04, 2022Observed: 11.71 ft at 7:15PM Jul 04, 2022Observed: 11.7 ft at 7:30PM Jul 04, 2022Observed: 11.69 ft at 7:45PM Jul 04, 2022Observed: 11.67 ft at 8:00PM Jul 04, 2022Observed: 11.66 ft at 8:15PM Jul 04, 2022Observed: 11.66 ft at 8:30PM Jul 04, 2022Observed: 11.64 ft at 8:45PM Jul 04, 2022Observed: 11.63 ft at 9:00PM Jul 04, 2022Observed: 11.61 ft at 9:15PM Jul 04, 2022Observed: 11.61 ft at 9:30PM Jul 04, 2022Observed: 11.61 ft at 9:45PM Jul 04, 2022Observed: 11.6 ft at 10:00PM Jul 04, 2022Observed: 11.59 ft at 10:15PM Jul 04, 2022Observed: 11.61 ft at 10:30PM Jul 04, 2022Observed: 11.61 ft at 10:45PM Jul 04, 2022Observed: 11.6 ft at 11:00PM Jul 04, 2022Observed: 11.59 ft at 11:15PM Jul 04, 2022Observed: 11.58 ft at 11:30PM Jul 04, 2022Observed: 11.6 ft at 11:45PM Jul 04, 2022Observed: 11.6 ft at 12:00AM Jul 05, 2022Observed: 11.58 ft at 12:15AM Jul 05, 2022Observed: 11.58 ft at 12:30AM Jul 05, 2022Observed: 11.55 ft at 12:45AM Jul 05, 2022Forecast: 11.2 ft 7:00AM Jul 05, 2022Forecast: 11.3 ft 1:00PM Jul 05, 2022Forecast: 11.3 ft 7:00PM Jul 05, 2022Forecast: 11.4 ft 1:00AM Jul 06, 2022Forecast: 11.4 ft 7:00AM Jul 06, 2022Forecast: 11.4 ft 1:00PM Jul 06, 2022Forecast: 11.4 ft 7:00PM Jul 06, 2022Highest Forecast: 11.5 ft 1:00AM Jul 07, 2022Highest Forecast: 11.5 ft 7:00AM Jul 07, 2022Highest Forecast: 11.5 ft 1:00PM Jul 07, 2022Highest Forecast: 11.5 ft 7:00PM Jul 07, 2022Highest Forecast: 11.5 ft 1:00AM Jul 08, 2022Highest Forecast: 11.5 ft 7:00AM Jul 08, 2022Highest Forecast: 11.5 ft 1:00PM Jul 08, 2022Highest Forecast: 11.5 ft 7:00PM Jul 08, 2022Highest Forecast: 11.5 ft 1:00AM Jul 09, 2022Forecast: 11.4 ft 7:00AM Jul 09, 2022Forecast: 11.4 ft 1:00PM Jul 09, 2022Forecast: 11.4 ft 7:00PM Jul 09, 2022Forecast: 11.4 ft 1:00AM Jul 10, 2022Forecast: 11.4 ft 7:00AM Jul 10, 2022Forecast: 11.4 ft 1:00PM Jul 10, 2022Forecast: 11.4 ft 7:00PM Jul 10, 2022Forecast: 11.3 ft 1:00AM Jul 11, 2022Forecast: 11.3 ft 7:00AM Jul 11, 2022Forecast: 11.3 ft 1:00PM Jul 11, 2022Forecast: 11.3 ft 7:00PM Jul 11, 2022US Army Corps of EngineersLSLI2(plotting HGIRG) Graph Created (1:25AM Jul 5, 2022)ObservedForecast (issued 8:53PM Jul 4)Latest observed value: 11.55 ft at 12:45 AM CDT 5-Jul-2022. Flood Stage is 20 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CDT)
XML Data
RSS Files
Datum: NGVD29
Metadata
NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time.

NOTE: Forecasts for the Illinois River near La Salle are issued routinely year-round.

Return to Area Map
Upstream Gauge - at Starved Rock Lock (tailwater) Upstream Gauge Downstream Gauge Downstream Gauge - near Henry
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 27
Flood Stage: 20
Action Stage: 19
Low Stage (in feet): 8.7

Historic Crests
(1) 34.44 ft on 04/20/2013
(2) 33.79 ft on 09/16/2008
(3) 33.14 ft on 05/20/2020
(4) 32.14 ft on 05/03/2019
(5) 32.05 ft on 12/05/1982
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 33.14 ft on 05/20/2020
(2) 26.54 ft on 05/01/2020
(3) 23.69 ft on 01/13/2020
(4) 24.56 ft on 11/01/2019
(5) 26.77 ft on 09/30/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.80 ft on 08/28/1868
(2) 10.02 ft on 12/14/2010
(3) 10.05 ft on 02/03/2011
(4) 10.07 ft on 09/27/2012
(5) 10.14 ft on 01/06/2014
Show More Low Water Records

For more information on your flood risk go to www.floodsmart.gov.

Zoom Level:15
KML Image
Gauge LocationGauge Map Marker
Disclaimer
Latitude/Longitude Disclaimer: The gauge location shown in the above map is the approximate location based on the latitude/longitude coordinates provided to the NWS by the gauge owner.
Flood Impacts & Photos Collapse
If you notice any errors in the below information, please contact our Webmaster
34.5 North Utica Village Hall, police department, and wastewater treatement plant property are threatened.
33 A couple structures are threatened near the river in downtown La Salle.
32 Numerous industrial and utility properties are threatened along Water Street near downtown LaSalle. A few residences threatened in North Utica. IL-178 (Clark Street) threatened in North Utica.
31 A couple structures threatened in North Utica.
30 La Salle water pumping station property is threatened.
28.5 Water Street is threatened in Peru.
28 Dee Bennet Road is threatened between Ottawa and Utica.
22 Lower parking lot at Starved Rock State Park is inundated east of La Salle. High water levels begin to impact shipping interests along the river.
20 Agricultural areas in La Salle, Spring Valley, and Peru are inundated.
17.5 Low-lying agricultural land near the river is inundated.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
8.7 Low water levels begin to impact shipping interests along the river.
About This Location Collapse

Latitude: 41.323611° N, Longitude: 89.110833° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 20 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
Elevation
(gauge height = flood stage)
Elevation information source
NAVD88 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 430.0 450.0 Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  

Current/Historical Observations:

Additional Information Collapse
How much forecast precipitation was used for the current river forecast?
How low could the river get?
Resources Collapse
Hydrologic Resources Additional Resources
Collaborative Agencies Collapse
The National Weather Service prepares its forecasts and other services in collaboration with agencies like the US Geological Survey, US Bureau of Reclamation, US Army Corps of Engineers, Natural Resource Conservation Service, National Park Service, ALERT Users Group, Bureau of Indian Affairs, and many state and local emergency managers across the country. For details, please click here.
NWS Information
National Weather Service
Chicago Weather Forecast Office
333 W. University Dr.
Romeoville, IL 60446
(815) 834-1435
Ask Questions/Webmaster
Page last modified: 2-Nov-2020 7:29 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities