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
Fox River at McHenry (Stratton Lock and Dam) tailwater Tailwater (ft)Flow (kcfs)Observed: 1.28 ft at 2:15PM Nov 22, 2021Observed: 1.26 ft at 2:30PM Nov 22, 2021Observed: 1.27 ft at 2:45PM Nov 22, 2021Observed: 1.27 ft at 3:00PM Nov 22, 2021Observed: 1.27 ft at 3:15PM Nov 22, 2021Observed: 1.27 ft at 3:30PM Nov 22, 2021Observed: 1.27 ft at 3:45PM Nov 22, 2021Observed: 1.27 ft at 4:00PM Nov 22, 2021Observed: 1.27 ft at 4:15PM Nov 22, 2021Observed: 1.27 ft at 4:30PM Nov 22, 2021Observed: 1.28 ft at 4:45PM Nov 22, 2021Observed: 1.28 ft at 5:00PM Nov 22, 2021Observed: 1.28 ft at 5:15PM Nov 22, 2021Observed: 1.28 ft at 5:30PM Nov 22, 2021Observed: 1.28 ft at 5:45PM Nov 22, 2021Highest Observation: 1.29 ft at 6:00PM Nov 22, 2021Highest Observation: 1.29 ft at 6:15PM Nov 22, 2021Highest Observation: 1.29 ft at 6:30PM Nov 22, 2021Observed: 1.28 ft at 6:45PM Nov 22, 2021Observed: 1.28 ft at 7:00PM Nov 22, 2021Observed: 1.28 ft at 7:15PM Nov 22, 2021Observed: 1.28 ft at 7:30PM Nov 22, 2021Observed: 1.28 ft at 7:45PM Nov 22, 2021Highest Observation: 1.29 ft at 8:00PM Nov 22, 2021Highest Observation: 1.29 ft at 8:15PM Nov 22, 2021Observed: 1.28 ft at 8:30PM Nov 22, 2021Observed: 1.28 ft at 8:45PM Nov 22, 2021Observed: 1.28 ft at 9:00PM Nov 22, 2021Observed: 1.28 ft at 9:15PM Nov 22, 2021Observed: 1.28 ft at 9:30PM Nov 22, 2021Observed: 1.28 ft at 9:45PM Nov 22, 2021Observed: 1.28 ft at 10:00PM Nov 22, 2021Observed: 1.28 ft at 10:15PM Nov 22, 2021Observed: 1.28 ft at 10:30PM Nov 22, 2021Observed: 1.28 ft at 10:45PM Nov 22, 2021Observed: 1.28 ft at 11:00PM Nov 22, 2021Observed: 1.28 ft at 11:15PM Nov 22, 2021Observed: 1.28 ft at 11:30PM Nov 22, 2021Observed: 1.28 ft at 11:45PM Nov 22, 2021Observed: 1.28 ft at 12:00AM Nov 23, 2021Observed: 1.27 ft at 12:15AM Nov 23, 2021Observed: 1.27 ft at 12:30AM Nov 23, 2021Observed: 1.27 ft at 12:45AM Nov 23, 2021Observed: 1.27 ft at 1:00AM Nov 23, 2021Observed: 1.27 ft at 1:15AM Nov 23, 2021Observed: 1.27 ft at 1:30AM Nov 23, 2021Observed: 1.27 ft at 1:45AM Nov 23, 2021Observed: 1.27 ft at 2:00AM Nov 23, 2021Observed: 1.27 ft at 2:15AM Nov 23, 2021Observed: 1.27 ft at 2:30AM Nov 23, 2021Observed: 1.27 ft at 2:45AM Nov 23, 2021Observed: 1.27 ft at 3:00AM Nov 23, 2021Observed: 1.27 ft at 3:15AM Nov 23, 2021Observed: 1.28 ft at 3:30AM Nov 23, 2021Observed: 1.27 ft at 3:45AM Nov 23, 2021Observed: 1.27 ft at 4:00AM Nov 23, 2021Observed: 1.27 ft at 4:15AM Nov 23, 2021Observed: 1.27 ft at 4:30AM Nov 23, 2021Observed: 1.27 ft at 4:45AM Nov 23, 2021Observed: 1.27 ft at 5:00AM Nov 23, 2021Observed: 1.27 ft at 5:15AM Nov 23, 2021Observed: 1.27 ft at 5:30AM Nov 23, 2021Observed: 1.27 ft at 5:45AM Nov 23, 2021Observed: 1.27 ft at 6:00AM Nov 23, 2021Observed: 1.27 ft at 6:15AM Nov 23, 2021Observed: 1.27 ft at 6:30AM Nov 23, 2021Observed: 1.26 ft at 6:45AM Nov 23, 2021Observed: 1.26 ft at 7:00AM Nov 23, 2021Observed: 1.26 ft at 7:15AM Nov 23, 2021Observed: 1.26 ft at 7:30AM Nov 23, 2021Observed: 1.26 ft at 7:45AM Nov 23, 2021Observed: 1.27 ft at 8:00AM Nov 23, 2021Observed: 1.26 ft at 8:15AM Nov 23, 2021Observed: 1.26 ft at 8:30AM Nov 23, 2021Observed: 1.26 ft at 8:45AM Nov 23, 2021Observed: 1.26 ft at 9:00AM Nov 23, 2021Observed: 1.27 ft at 9:15AM Nov 23, 2021Observed: 1.27 ft at 9:30AM Nov 23, 2021Observed: 1.27 ft at 9:45AM Nov 23, 2021Observed: 1.28 ft at 10:00AM Nov 23, 2021Observed: 1.27 ft at 10:15AM Nov 23, 2021Observed: 1.27 ft at 10:30AM Nov 23, 2021Observed: 1.28 ft at 10:45AM Nov 23, 2021Observed: 1.28 ft at 11:00AM Nov 23, 2021Observed: 1.28 ft at 11:15AM Nov 23, 2021Observed: 1.27 ft at 11:30AM Nov 23, 2021Observed: 1.27 ft at 11:45AM Nov 23, 2021Observed: 1.28 ft at 12:00PM Nov 23, 2021Observed: 1.27 ft at 12:15PM Nov 23, 2021Observed: 1.27 ft at 12:30PM Nov 23, 2021Observed: 1.26 ft at 12:45PM Nov 23, 2021Observed: 1.25 ft at 1:00PM Nov 23, 2021Observed: 1.26 ft at 1:15PM Nov 23, 2021Observed: 1.27 ft at 1:30PM Nov 23, 2021Observed: 1.26 ft at 1:45PM Nov 23, 2021Observed: 1.26 ft at 2:00PM Nov 23, 2021Observed: 1.26 ft at 2:15PM Nov 23, 2021Observed: 1.25 ft at 2:30PM Nov 23, 2021Observed: 1.26 ft at 2:45PM Nov 23, 2021Observed: 1.26 ft at 3:00PM Nov 23, 2021Observed: 1.26 ft at 3:15PM Nov 23, 2021Observed: 1.25 ft at 3:30PM Nov 23, 2021Observed: 1.24 ft at 3:45PM Nov 23, 2021Observed: 1.24 ft at 4:00PM Nov 23, 2021Observed: 1.24 ft at 4:15PM Nov 23, 2021Observed: 1.25 ft at 4:30PM Nov 23, 2021Observed: 1.25 ft at 4:45PM Nov 23, 2021Observed: 1.24 ft at 5:00PM Nov 23, 2021Observed: 1.24 ft at 5:15PM Nov 23, 2021Observed: 1.24 ft at 5:30PM Nov 23, 2021Observed: 1.24 ft at 5:45PM Nov 23, 2021Observed: 1.22 ft at 6:00PM Nov 23, 2021Observed: 1.22 ft at 6:15PM Nov 23, 2021Observed: 1.22 ft at 6:30PM Nov 23, 2021Observed: 1.23 ft at 6:45PM Nov 23, 2021Observed: 1.23 ft at 7:00PM Nov 23, 2021Observed: 1.23 ft at 7:15PM Nov 23, 2021Observed: 1.23 ft at 7:30PM Nov 23, 2021Observed: 1.25 ft at 7:45PM Nov 23, 2021Observed: 1.23 ft at 8:00PM Nov 23, 2021Observed: 1.23 ft at 8:15PM Nov 23, 2021Observed: 1.24 ft at 8:30PM Nov 23, 2021Observed: 1.25 ft at 8:45PM Nov 23, 2021Observed: 1.24 ft at 9:00PM Nov 23, 2021Observed: 1.24 ft at 9:15PM Nov 23, 2021Observed: 1.25 ft at 9:30PM Nov 23, 2021Observed: 1.24 ft at 9:45PM Nov 23, 2021Observed: 1.23 ft at 10:00PM Nov 23, 2021Observed: 1.23 ft at 10:15PM Nov 23, 2021Observed: 1.22 ft at 10:30PM Nov 23, 2021Observed: 1.2 ft at 10:45PM Nov 23, 2021Observed: 1.2 ft at 11:00PM Nov 23, 2021Observed: 1.2 ft at 11:15PM Nov 23, 2021Observed: 1.21 ft at 11:30PM Nov 23, 2021Observed: 1.21 ft at 11:45PM Nov 23, 2021Observed: 1.2 ft at 12:00AM Nov 24, 2021Observed: 1.22 ft at 12:15AM Nov 24, 2021Observed: 1.2 ft at 12:30AM Nov 24, 2021Observed: 1.2 ft at 12:45AM Nov 24, 2021Observed: 1.19 ft at 1:00AM Nov 24, 2021Observed: 1.2 ft at 1:15AM Nov 24, 2021Observed: 1.19 ft at 1:30AM Nov 24, 2021Observed: 1.2 ft at 1:45AM Nov 24, 2021Observed: 1.19 ft at 2:00AM Nov 24, 2021Observed: 1.18 ft at 2:15AM Nov 24, 2021Observed: 1.18 ft at 2:30AM Nov 24, 2021Observed: 1.18 ft at 2:45AM Nov 24, 2021Observed: 1.18 ft at 3:00AM Nov 24, 2021Observed: 1.18 ft at 3:15AM Nov 24, 2021Observed: 1.17 ft at 3:30AM Nov 24, 2021Observed: 1.18 ft at 3:45AM Nov 24, 2021Observed: 1.18 ft at 4:00AM Nov 24, 2021Observed: 1.18 ft at 4:15AM Nov 24, 2021Observed: 1.19 ft at 4:30AM Nov 24, 2021Observed: 1.19 ft at 4:45AM Nov 24, 2021Observed: 1.18 ft at 5:00AM Nov 24, 2021Observed: 1.19 ft at 5:15AM Nov 24, 2021Observed: 1.18 ft at 5:30AM Nov 24, 2021Observed: 1.19 ft at 5:45AM Nov 24, 2021Observed: 1.19 ft at 6:00AM Nov 24, 2021Observed: 1.2 ft at 6:15AM Nov 24, 2021Observed: 1.19 ft at 6:30AM Nov 24, 2021Observed: 1.2 ft at 6:45AM Nov 24, 2021Observed: 1.2 ft at 7:00AM Nov 24, 2021Observed: 1.21 ft at 7:15AM Nov 24, 2021Observed: 1.2 ft at 7:30AM Nov 24, 2021Observed: 1.2 ft at 7:45AM Nov 24, 2021Observed: 1.21 ft at 8:00AM Nov 24, 2021Observed: 1.19 ft at 8:15AM Nov 24, 2021Observed: 1.19 ft at 8:30AM Nov 24, 2021Observed: 1.2 ft at 8:45AM Nov 24, 2021Observed: 1.19 ft at 9:00AM Nov 24, 2021Observed: 1.19 ft at 9:15AM Nov 24, 2021Observed: 1.17 ft at 9:30AM Nov 24, 2021Observed: 1.17 ft at 9:45AM Nov 24, 2021Observed: 1.18 ft at 10:00AM Nov 24, 2021Observed: 1.16 ft at 10:15AM Nov 24, 2021Observed: 1.18 ft at 10:30AM Nov 24, 2021Observed: 1.17 ft at 10:45AM Nov 24, 2021Observed: 1.17 ft at 11:00AM Nov 24, 2021Observed: 1.17 ft at 11:15AM Nov 24, 2021Observed: 1.16 ft at 11:30AM Nov 24, 2021Observed: 1.16 ft at 11:45AM Nov 24, 2021Observed: 1.16 ft at 12:00PM Nov 24, 2021Observed: 1.15 ft at 12:15PM Nov 24, 2021Observed: 1.17 ft at 12:30PM Nov 24, 2021Observed: 1.15 ft at 12:45PM Nov 24, 2021Observed: 1.15 ft at 1:00PM Nov 24, 2021Observed: 1.15 ft at 1:15PM Nov 24, 2021Observed: 1.15 ft at 1:30PM Nov 24, 2021Observed: 1.14 ft at 1:45PM Nov 24, 2021Observed: 1.14 ft at 2:00PM Nov 24, 2021Observed: 1.13 ft at 2:15PM Nov 24, 2021Observed: 1.13 ft at 2:30PM Nov 24, 2021Observed: 1.13 ft at 2:45PM Nov 24, 2021Observed: 1.13 ft at 3:00PM Nov 24, 2021Observed: 1.12 ft at 3:15PM Nov 24, 2021Observed: 1.12 ft at 3:30PM Nov 24, 2021Observed: 1.12 ft at 3:45PM Nov 24, 2021Observed: 1.12 ft at 4:00PM Nov 24, 2021Observed: 1.12 ft at 4:15PM Nov 24, 2021Observed: 1.11 ft at 4:30PM Nov 24, 2021Observed: 1.11 ft at 4:45PM Nov 24, 2021Observed: 1.11 ft at 5:00PM Nov 24, 2021Observed: 1.12 ft at 5:15PM Nov 24, 2021Observed: 1.11 ft at 5:30PM Nov 24, 2021Observed: 1.12 ft at 5:45PM Nov 24, 2021Observed: 1.12 ft at 6:00PM Nov 24, 2021Observed: 1.12 ft at 6:15PM Nov 24, 2021Observed: 1.12 ft at 6:30PM Nov 24, 2021Observed: 1.12 ft at 6:45PM Nov 24, 2021Observed: 1.12 ft at 7:00PM Nov 24, 2021Observed: 1.12 ft at 7:15PM Nov 24, 2021Observed: 1.13 ft at 7:30PM Nov 24, 2021Observed: 1.12 ft at 7:45PM Nov 24, 2021Observed: 1.12 ft at 8:00PM Nov 24, 2021Observed: 1.13 ft at 8:15PM Nov 24, 2021Observed: 1.13 ft at 8:30PM Nov 24, 2021Observed: 1.12 ft at 8:45PM Nov 24, 2021Observed: 1.12 ft at 9:00PM Nov 24, 2021Observed: 1.13 ft at 9:15PM Nov 24, 2021Observed: 1.13 ft at 9:30PM Nov 24, 2021Observed: 1.13 ft at 9:45PM Nov 24, 2021Observed: 1.12 ft at 10:00PM Nov 24, 2021Observed: 1.13 ft at 10:15PM Nov 24, 2021Observed: 1.13 ft at 10:30PM Nov 24, 2021Observed: 1.13 ft at 10:45PM Nov 24, 2021Observed: 1.13 ft at 11:00PM Nov 24, 2021Observed: 1.13 ft at 11:15PM Nov 24, 2021Observed: 1.13 ft at 11:30PM Nov 24, 2021Observed: 1.13 ft at 11:45PM Nov 24, 2021Observed: 1.13 ft at 12:00AM Nov 25, 2021Observed: 1.13 ft at 12:15AM Nov 25, 2021Observed: 1.13 ft at 12:30AM Nov 25, 2021Observed: 1.13 ft at 12:45AM Nov 25, 2021Observed: 1.13 ft at 1:00AM Nov 25, 2021Observed: 1.13 ft at 1:15AM Nov 25, 2021Observed: 1.13 ft at 1:30AM Nov 25, 2021Observed: 1.13 ft at 1:45AM Nov 25, 2021Observed: 1.13 ft at 2:00AM Nov 25, 2021Observed: 1.13 ft at 2:15AM Nov 25, 2021Observed: 1.13 ft at 2:30AM Nov 25, 2021Observed: 1.13 ft at 2:45AM Nov 25, 2021Observed: 1.13 ft at 3:00AM Nov 25, 2021Observed: 1.13 ft at 3:15AM Nov 25, 2021Observed: 1.13 ft at 3:30AM Nov 25, 2021Observed: 1.13 ft at 3:45AM Nov 25, 2021Observed: 1.13 ft at 4:00AM Nov 25, 2021Observed: 1.13 ft at 4:15AM Nov 25, 2021Observed: 1.12 ft at 4:30AM Nov 25, 2021Observed: 1.11 ft at 4:45AM Nov 25, 2021Observed: 1.11 ft at 5:00AM Nov 25, 2021Observed: 1.1 ft at 5:15AM Nov 25, 2021Observed: 1.11 ft at 5:30AM Nov 25, 2021Observed: 1.11 ft at 5:45AM Nov 25, 2021Observed: 1.12 ft at 6:00AM Nov 25, 2021Observed: 1.12 ft at 6:15AM Nov 25, 2021Observed: 1.11 ft at 6:30AM Nov 25, 2021Observed: 1.12 ft at 6:45AM Nov 25, 2021Observed: 1.13 ft at 7:00AM Nov 25, 2021Observed: 1.13 ft at 7:15AM Nov 25, 2021Observed: 1.13 ft at 7:30AM Nov 25, 2021Observed: 1.12 ft at 7:45AM Nov 25, 2021Observed: 1.11 ft at 8:00AM Nov 25, 2021Observed: 1.12 ft at 8:15AM Nov 25, 2021Observed: 1.12 ft at 8:30AM Nov 25, 2021Observed: 1.12 ft at 8:45AM Nov 25, 2021Observed: 1.11 ft at 9:00AM Nov 25, 2021Observed: 1.11 ft at 9:15AM Nov 25, 2021Observed: 1.12 ft at 9:30AM Nov 25, 2021Observed: 1.12 ft at 9:45AM Nov 25, 2021Observed: 1.12 ft at 10:00AM Nov 25, 2021Observed: 1.11 ft at 10:15AM Nov 25, 2021Observed: 1.11 ft at 10:30AM Nov 25, 2021Observed: 1.12 ft at 10:45AM Nov 25, 2021Observed: 1.12 ft at 11:00AM Nov 25, 2021Observed: 1.12 ft at 11:15AM Nov 25, 2021Observed: 1.13 ft at 11:30AM Nov 25, 2021Observed: 1.14 ft at 11:45AM Nov 25, 2021Observed: 1.13 ft at 12:00PM Nov 25, 2021Observed: 1.12 ft at 12:15PM Nov 25, 2021Observed: 1.12 ft at 12:30PM Nov 25, 2021Observed: 1.12 ft at 12:45PM Nov 25, 2021Observed: 1.12 ft at 1:00PM Nov 25, 2021Observed: 1.12 ft at 1:15PM Nov 25, 2021Observed: 1.12 ft at 1:30PM Nov 25, 2021Observed: 1.11 ft at 1:45PM Nov 25, 2021Observed: 1.12 ft at 2:00PM Nov 25, 2021Observed: 1.11 ft at 2:15PM Nov 25, 2021Observed: 1.11 ft at 2:30PM Nov 25, 2021Observed: 1.11 ft at 2:45PM Nov 25, 2021Observed: 1.12 ft at 3:00PM Nov 25, 2021Observed: 1.11 ft at 3:15PM Nov 25, 2021Observed: 1.11 ft at 3:30PM Nov 25, 2021Observed: 1.11 ft at 3:45PM Nov 25, 2021Observed: 1.1 ft at 4:00PM Nov 25, 2021Observed: 1.11 ft at 4:15PM Nov 25, 2021Observed: 1.1 ft at 4:30PM Nov 25, 2021Observed: 1.12 ft at 4:45PM Nov 25, 2021Observed: 1.11 ft at 5:00PM Nov 25, 2021Observed: 1.1 ft at 5:15PM Nov 25, 2021Observed: 1.11 ft at 5:30PM Nov 25, 2021Observed: 1.09 ft at 5:45PM Nov 25, 2021Observed: 1.09 ft at 6:00PM Nov 25, 2021Observed: 1.1 ft at 6:15PM Nov 25, 2021Observed: 1.1 ft at 6:30PM Nov 25, 2021Observed: 1.1 ft at 6:45PM Nov 25, 2021Observed: 1.1 ft at 7:00PM Nov 25, 2021Observed: 1.1 ft at 7:15PM Nov 25, 2021Observed: 1.1 ft at 7:30PM Nov 25, 2021Observed: 1.09 ft at 7:45PM Nov 25, 2021Observed: 1.1 ft at 8:00PM Nov 25, 2021Observed: 1.1 ft at 8:15PM Nov 25, 2021Observed: 1.1 ft at 8:30PM Nov 25, 2021Observed: 1.1 ft at 8:45PM Nov 25, 2021Observed: 1.1 ft at 9:00PM Nov 25, 2021Observed: 1.1 ft at 9:15PM Nov 25, 2021Observed: 1.1 ft at 9:30PM Nov 25, 2021Observed: 1.1 ft at 9:45PM Nov 25, 2021Observed: 1.1 ft at 10:00PM Nov 25, 2021Observed: 1.11 ft at 10:15PM Nov 25, 2021Observed: 1.11 ft at 10:30PM Nov 25, 2021Observed: 1.09 ft at 10:45PM Nov 25, 2021Observed: 1.1 ft at 11:00PM Nov 25, 2021Observed: 1.1 ft at 11:15PM Nov 25, 2021Observed: 1.12 ft at 11:30PM Nov 25, 2021Observed: 1.12 ft at 11:45PM Nov 25, 2021Observed: 1.12 ft at 12:00AM Nov 26, 2021Observed: 1.12 ft at 12:15AM Nov 26, 2021Observed: 1.12 ft at 12:30AM Nov 26, 2021Observed: 1.13 ft at 12:45AM Nov 26, 2021Observed: 1.13 ft at 1:00AM Nov 26, 2021Observed: 1.13 ft at 1:15AM Nov 26, 2021Observed: 1.13 ft at 1:30AM Nov 26, 2021Observed: 1.14 ft at 1:45AM Nov 26, 2021Observed: 1.14 ft at 2:00AM Nov 26, 2021Observed: 1.13 ft at 2:15AM Nov 26, 2021Observed: 1.13 ft at 2:30AM Nov 26, 2021Observed: 1.13 ft at 2:45AM Nov 26, 2021Observed: 1.14 ft at 3:00AM Nov 26, 2021Observed: 1.14 ft at 3:15AM Nov 26, 2021Observed: 1.14 ft at 3:30AM Nov 26, 2021Observed: 1.14 ft at 3:45AM Nov 26, 2021Observed: 1.14 ft at 4:00AM Nov 26, 2021Observed: 1.14 ft at 4:15AM Nov 26, 2021Observed: 1.14 ft at 4:30AM Nov 26, 2021Observed: 1.14 ft at 4:45AM Nov 26, 2021Observed: 1.14 ft at 5:00AM Nov 26, 2021Observed: 1.14 ft at 5:15AM Nov 26, 2021Observed: 1.14 ft at 5:30AM Nov 26, 2021Observed: 1.14 ft at 5:45AM Nov 26, 2021Observed: 1.14 ft at 6:00AM Nov 26, 2021Observed: 1.14 ft at 6:15AM Nov 26, 2021Observed: 1.13 ft at 6:30AM Nov 26, 2021Observed: 1.13 ft at 6:45AM Nov 26, 2021Observed: 1.13 ft at 7:00AM Nov 26, 2021Observed: 1.14 ft at 7:15AM Nov 26, 2021Observed: 1.14 ft at 7:30AM Nov 26, 2021Observed: 1.14 ft at 7:45AM Nov 26, 2021Observed: 1.14 ft at 8:00AM Nov 26, 2021Observed: 1.13 ft at 8:15AM Nov 26, 2021Observed: 1.13 ft at 8:30AM Nov 26, 2021Observed: 1.13 ft at 8:45AM Nov 26, 2021Observed: 1.13 ft at 9:00AM Nov 26, 2021Observed: 1.13 ft at 9:15AM Nov 26, 2021Observed: 1.13 ft at 9:30AM Nov 26, 2021Observed: 1.13 ft at 9:45AM Nov 26, 2021Observed: 1.13 ft at 10:00AM Nov 26, 2021Observed: 1.13 ft at 10:15AM Nov 26, 2021Observed: 1.13 ft at 10:30AM Nov 26, 2021Observed: 1.12 ft at 10:45AM Nov 26, 2021Observed: 1.13 ft at 11:00AM Nov 26, 2021Observed: 1.13 ft at 11:15AM Nov 26, 2021Observed: 1.13 ft at 11:30AM Nov 26, 2021Observed: 1.13 ft at 11:45AM Nov 26, 2021Observed: 1.13 ft at 12:00PM Nov 26, 2021Observed: 1.13 ft at 12:15PM Nov 26, 2021Observed: 1.13 ft at 12:30PM Nov 26, 2021Observed: 1.13 ft at 12:45PM Nov 26, 2021Observed: 1.13 ft at 1:00PM Nov 26, 2021Observed: 1.13 ft at 1:15PM Nov 26, 2021Observed: 1.13 ft at 1:30PM Nov 26, 2021Observed: 1.13 ft at 1:45PM Nov 26, 2021Observed: 1.12 ft at 2:00PM Nov 26, 2021Observed: 1.12 ft at 2:15PM Nov 26, 2021Observed: 1.12 ft at 2:30PM Nov 26, 2021Observed: 1.12 ft at 2:45PM Nov 26, 2021Observed: 1.12 ft at 3:00PM Nov 26, 2021Observed: 1.13 ft at 3:15PM Nov 26, 2021Observed: 1.13 ft at 3:30PM Nov 26, 2021Observed: 1.13 ft at 3:45PM Nov 26, 2021Observed: 1.13 ft at 4:00PM Nov 26, 2021Observed: 1.13 ft at 4:15PM Nov 26, 2021Observed: 1.13 ft at 4:30PM Nov 26, 2021Observed: 1.12 ft at 4:45PM Nov 26, 2021Observed: 1.12 ft at 5:00PM Nov 26, 2021Observed: 1.12 ft at 5:15PM Nov 26, 2021Observed: 1.12 ft at 5:30PM Nov 26, 2021Observed: 1.12 ft at 5:45PM Nov 26, 2021Observed: 1.12 ft at 6:00PM Nov 26, 2021Observed: 1.12 ft at 6:15PM Nov 26, 2021Observed: 1.12 ft at 6:30PM Nov 26, 2021Observed: 1.12 ft at 6:45PM Nov 26, 2021Observed: 1.12 ft at 7:00PM Nov 26, 2021Observed: 1.11 ft at 7:15PM Nov 26, 2021Observed: 1.11 ft at 7:30PM Nov 26, 2021Observed: 1.11 ft at 7:45PM Nov 26, 2021Observed: 1.11 ft at 8:00PM Nov 26, 2021Observed: 1.11 ft at 8:15PM Nov 26, 2021Observed: 1.11 ft at 8:30PM Nov 26, 2021Observed: 1.11 ft at 8:45PM Nov 26, 2021Observed: 1.11 ft at 9:00PM Nov 26, 2021Observed: 1.1 ft at 9:15PM Nov 26, 2021Observed: 1.1 ft at 9:30PM Nov 26, 2021Observed: 1.1 ft at 9:45PM Nov 26, 2021Observed: 1.1 ft at 10:00PM Nov 26, 2021Observed: 1.1 ft at 10:15PM Nov 26, 2021Observed: 1.1 ft at 10:30PM Nov 26, 2021Observed: 1.1 ft at 10:45PM Nov 26, 2021Observed: 1.1 ft at 11:00PM Nov 26, 2021Observed: 1.1 ft at 11:15PM Nov 26, 2021Observed: 1.1 ft at 11:30PM Nov 26, 2021Observed: 1.1 ft at 11:45PM Nov 26, 2021Observed: 1.1 ft at 12:00AM Nov 27, 2021Observed: 1.1 ft at 12:15AM Nov 27, 2021Observed: 1.09 ft at 12:30AM Nov 27, 2021Observed: 1.09 ft at 12:45AM Nov 27, 2021Observed: 1.09 ft at 1:00AM Nov 27, 2021Observed: 1.09 ft at 1:15AM Nov 27, 2021Observed: 1.09 ft at 1:30AM Nov 27, 2021Observed: 1.09 ft at 1:45AM Nov 27, 2021Observed: 1.08 ft at 2:00AM Nov 27, 2021Observed: 1.09 ft at 2:15AM Nov 27, 2021Observed: 1.08 ft at 2:30AM Nov 27, 2021Observed: 1.09 ft at 2:45AM Nov 27, 2021Observed: 1.09 ft at 3:00AM Nov 27, 2021Observed: 1.09 ft at 3:15AM Nov 27, 2021Observed: 1.09 ft at 3:30AM Nov 27, 2021Observed: 1.09 ft at 3:45AM Nov 27, 2021Observed: 1.09 ft at 4:00AM Nov 27, 2021Observed: 1.09 ft at 4:15AM Nov 27, 2021Observed: 1.09 ft at 4:30AM Nov 27, 2021Observed: 1.08 ft at 4:45AM Nov 27, 2021Observed: 1.09 ft at 5:00AM Nov 27, 2021Observed: 1.09 ft at 5:15AM Nov 27, 2021Observed: 1.08 ft at 5:30AM Nov 27, 2021Observed: 1.08 ft at 5:45AM Nov 27, 2021Observed: 1.08 ft at 6:00AM Nov 27, 2021Observed: 1.08 ft at 6:15AM Nov 27, 2021Observed: 1.08 ft at 6:30AM Nov 27, 2021Observed: 1.08 ft at 6:45AM Nov 27, 2021Observed: 1.08 ft at 7:00AM Nov 27, 2021Observed: 1.09 ft at 7:15AM Nov 27, 2021Observed: 1.09 ft at 7:30AM Nov 27, 2021Observed: 1.08 ft at 7:45AM Nov 27, 2021Observed: 1.08 ft at 8:00AM Nov 27, 2021Observed: 1.08 ft at 8:15AM Nov 27, 2021Observed: 1.08 ft at 8:30AM Nov 27, 2021Observed: 1.08 ft at 8:45AM Nov 27, 2021Observed: 1.08 ft at 9:00AM Nov 27, 2021Observed: 1.08 ft at 9:15AM Nov 27, 2021Observed: 1.08 ft at 9:30AM Nov 27, 2021Observed: 1.08 ft at 9:45AM Nov 27, 2021Observed: 1.09 ft at 10:00AM Nov 27, 2021Observed: 1.1 ft at 10:15AM Nov 27, 2021Observed: 1.1 ft at 10:30AM Nov 27, 2021Observed: 1.11 ft at 10:45AM Nov 27, 2021Observed: 1.1 ft at 11:00AM Nov 27, 2021Observed: 1.1 ft at 11:15AM Nov 27, 2021Observed: 1.08 ft at 11:30AM Nov 27, 2021Observed: 1.08 ft at 11:45AM Nov 27, 2021Observed: 1.08 ft at 12:00PM Nov 27, 2021Observed: 1.08 ft at 12:15PM Nov 27, 2021Observed: 1.08 ft at 12:30PM Nov 27, 2021Observed: 1.08 ft at 12:45PM Nov 27, 2021Observed: 1.07 ft at 1:00PM Nov 27, 2021Observed: 1.07 ft at 1:15PM Nov 27, 2021Observed: 1.07 ft at 1:30PM Nov 27, 2021Observed: 1.06 ft at 1:45PM Nov 27, 2021Observed: 1.06 ft at 2:00PM Nov 27, 2021Observed: 1.06 ft at 2:15PM Nov 27, 2021Observed: 1.06 ft at 2:30PM Nov 27, 2021Observed: 1.05 ft at 2:45PM Nov 27, 2021Observed: 1.05 ft at 3:00PM Nov 27, 2021Observed: 1.05 ft at 3:15PM Nov 27, 2021Observed: 1.05 ft at 3:30PM Nov 27, 2021Observed: 1.05 ft at 3:45PM Nov 27, 2021Observed: 1.04 ft at 4:00PM Nov 27, 2021Observed: 1.04 ft at 4:15PM Nov 27, 2021Observed: 1.04 ft at 4:30PM Nov 27, 2021Observed: 1.04 ft at 4:45PM Nov 27, 2021Observed: 1.03 ft at 5:00PM Nov 27, 2021Observed: 1.03 ft at 5:15PM Nov 27, 2021Observed: 1.03 ft at 5:30PM Nov 27, 2021Observed: 1.02 ft at 5:45PM Nov 27, 2021Observed: 1.02 ft at 6:00PM Nov 27, 2021Observed: 1.02 ft at 6:15PM Nov 27, 2021Observed: 1.02 ft at 6:30PM Nov 27, 2021Observed: 1.02 ft at 6:45PM Nov 27, 2021Observed: 1.01 ft at 7:00PM Nov 27, 2021Observed: 1.01 ft at 7:15PM Nov 27, 2021Observed: 1.01 ft at 7:30PM Nov 27, 2021Observed: 1.01 ft at 7:45PM Nov 27, 2021Observed: 1.01 ft at 8:00PM Nov 27, 2021Observed: 1.01 ft at 8:15PM Nov 27, 2021Observed: 1.01 ft at 8:30PM Nov 27, 2021Observed: 1.01 ft at 8:45PM Nov 27, 2021Observed: 1.01 ft at 9:00PM Nov 27, 2021Observed: 1.01 ft at 9:15PM Nov 27, 2021Observed: 1.01 ft at 9:30PM Nov 27, 2021Observed: 1.01 ft at 9:45PM Nov 27, 2021Observed: 1.01 ft at 10:00PM Nov 27, 2021Observed: 1 ft at 10:15PM Nov 27, 2021Observed: 1 ft at 10:30PM Nov 27, 2021Observed: 1 ft at 10:45PM Nov 27, 2021Observed: 1 ft at 11:00PM Nov 27, 2021Observed: 1.01 ft at 11:15PM Nov 27, 2021Observed: 1.01 ft at 11:30PM Nov 27, 2021Observed: 1.01 ft at 11:45PM Nov 27, 2021Observed: 1.01 ft at 12:00AM Nov 28, 2021Observed: 1.02 ft at 12:15AM Nov 28, 2021Observed: 1.02 ft at 12:30AM Nov 28, 2021Observed: 1.02 ft at 12:45AM Nov 28, 2021Observed: 1.03 ft at 1:00AM Nov 28, 2021Observed: 1.03 ft at 1:15AM Nov 28, 2021Observed: 1.03 ft at 1:30AM Nov 28, 2021Observed: 1.03 ft at 1:45AM Nov 28, 2021Observed: 1.03 ft at 2:00AM Nov 28, 2021Observed: 1.03 ft at 2:15AM Nov 28, 2021Observed: 1.03 ft at 2:30AM Nov 28, 2021Observed: 1.03 ft at 2:45AM Nov 28, 2021Observed: 1.03 ft at 3:00AM Nov 28, 2021Observed: 1.02 ft at 3:15AM Nov 28, 2021Observed: 1.02 ft at 3:30AM Nov 28, 2021Observed: 1.02 ft at 3:45AM Nov 28, 2021Observed: 1.03 ft at 4:00AM Nov 28, 2021Observed: 1.03 ft at 4:15AM Nov 28, 2021Observed: 1.03 ft at 4:30AM Nov 28, 2021Observed: 1.03 ft at 4:45AM Nov 28, 2021Observed: 1.02 ft at 5:00AM Nov 28, 2021Observed: 1.02 ft at 5:15AM Nov 28, 2021Observed: 1.03 ft at 5:30AM Nov 28, 2021Observed: 1.03 ft at 5:45AM Nov 28, 2021Observed: 1.03 ft at 6:00AM Nov 28, 2021Observed: 1.03 ft at 6:15AM Nov 28, 2021Observed: 1.03 ft at 6:30AM Nov 28, 2021Observed: 1.02 ft at 6:45AM Nov 28, 2021Observed: 1.02 ft at 7:00AM Nov 28, 2021Observed: 1.02 ft at 7:15AM Nov 28, 2021Observed: 1.02 ft at 7:30AM Nov 28, 2021Observed: 1.02 ft at 7:45AM Nov 28, 2021Observed: 1.02 ft at 8:00AM Nov 28, 2021Observed: 1.01 ft at 8:15AM Nov 28, 2021Observed: 1.02 ft at 8:30AM Nov 28, 2021Observed: 1.01 ft at 8:45AM Nov 28, 2021Observed: 1 ft at 9:00AM Nov 28, 2021Observed: 1.01 ft at 9:15AM Nov 28, 2021Observed: 0.99 ft at 9:30AM Nov 28, 2021Observed: 1 ft at 9:45AM Nov 28, 2021Observed: 0.99 ft at 10:00AM Nov 28, 2021Observed: 0.98 ft at 10:15AM Nov 28, 2021Observed: 0.97 ft at 10:30AM Nov 28, 2021Observed: 0.97 ft at 10:45AM Nov 28, 2021Observed: 0.96 ft at 11:00AM Nov 28, 2021Observed: 0.96 ft at 11:15AM Nov 28, 2021Observed: 0.95 ft at 11:30AM Nov 28, 2021Observed: 0.95 ft at 11:45AM Nov 28, 2021Observed: 0.97 ft at 12:00PM Nov 28, 2021Observed: 0.95 ft at 12:15PM Nov 28, 2021Observed: 0.96 ft at 12:30PM Nov 28, 2021Observed: 0.96 ft at 12:45PM Nov 28, 2021Observed: 0.97 ft at 1:00PM Nov 28, 2021Observed: 0.95 ft at 1:15PM Nov 28, 2021Observed: 0.96 ft at 1:30PM Nov 28, 2021Observed: 0.96 ft at 1:45PM Nov 28, 2021Observed: 0.96 ft at 2:00PM Nov 28, 2021Observed: 0.97 ft at 2:15PM Nov 28, 2021Observed: 0.96 ft at 2:30PM Nov 28, 2021Observed: 0.97 ft at 2:45PM Nov 28, 2021Observed: 0.97 ft at 3:00PM Nov 28, 2021Observed: 0.98 ft at 3:15PM Nov 28, 2021Observed: 0.97 ft at 3:30PM Nov 28, 2021Observed: 0.98 ft at 3:45PM Nov 28, 2021Observed: 0.98 ft at 4:00PM Nov 28, 2021Observed: 0.99 ft at 4:15PM Nov 28, 2021Observed: 1 ft at 4:30PM Nov 28, 2021Observed: 1 ft at 4:45PM Nov 28, 2021Observed: 1.01 ft at 5:00PM Nov 28, 2021Observed: 1.01 ft at 5:15PM Nov 28, 2021Observed: 1.02 ft at 5:30PM Nov 28, 2021Observed: 1.02 ft at 5:45PM Nov 28, 2021Observed: 1.02 ft at 6:00PM Nov 28, 2021Observed: 1.03 ft at 6:15PM Nov 28, 2021Observed: 1.03 ft at 6:30PM Nov 28, 2021Observed: 1.03 ft at 6:45PM Nov 28, 2021Observed: 1.03 ft at 7:00PM Nov 28, 2021Observed: 1.03 ft at 7:15PM Nov 28, 2021Observed: 1.03 ft at 7:30PM Nov 28, 2021Observed: 1.03 ft at 7:45PM Nov 28, 2021Observed: 1.03 ft at 8:00PM Nov 28, 2021Observed: 1.03 ft at 8:15PM Nov 28, 2021Observed: 1.03 ft at 8:30PM Nov 28, 2021Observed: 1.03 ft at 8:45PM Nov 28, 2021Observed: 1.03 ft at 9:00PM Nov 28, 2021Observed: 1.03 ft at 9:15PM Nov 28, 2021Observed: 1.03 ft at 9:30PM Nov 28, 2021Observed: 1.03 ft at 9:45PM Nov 28, 2021Observed: 1.03 ft at 10:00PM Nov 28, 2021Observed: 1.03 ft at 10:15PM Nov 28, 2021Observed: 1.03 ft at 10:30PM Nov 28, 2021Observed: 1.03 ft at 10:45PM Nov 28, 2021Observed: 1.03 ft at 11:00PM Nov 28, 2021Observed: 1.03 ft at 11:15PM Nov 28, 2021Observed: 1.03 ft at 11:30PM Nov 28, 2021Observed: 1.03 ft at 11:45PM Nov 28, 2021Observed: 1.03 ft at 12:00AM Nov 29, 2021Observed: 1.03 ft at 12:15AM Nov 29, 2021Observed: 1.03 ft at 12:30AM Nov 29, 2021Observed: 1.03 ft at 12:45AM Nov 29, 2021Observed: 1.03 ft at 1:00AM Nov 29, 2021Observed: 1.03 ft at 1:15AM Nov 29, 2021Observed: 1.03 ft at 1:30AM Nov 29, 2021Observed: 1.03 ft at 1:45AM Nov 29, 2021Observed: 1.02 ft at 2:00AM Nov 29, 2021Observed: 1.02 ft at 2:15AM Nov 29, 2021Observed: 1.02 ft at 2:30AM Nov 29, 2021Observed: 1.02 ft at 2:45AM Nov 29, 2021Observed: 1.02 ft at 3:00AM Nov 29, 2021Observed: 1.02 ft at 3:15AM Nov 29, 2021Observed: 1.02 ft at 3:30AM Nov 29, 2021Observed: 1.02 ft at 3:45AM Nov 29, 2021Observed: 1.02 ft at 4:00AM Nov 29, 2021Observed: 1.02 ft at 4:15AM Nov 29, 2021Observed: 1.02 ft at 4:30AM Nov 29, 2021Observed: 1.02 ft at 4:45AM Nov 29, 2021Observed: 1.01 ft at 5:00AM Nov 29, 2021Observed: 1.01 ft at 5:15AM Nov 29, 2021Observed: 1.01 ft at 5:30AM Nov 29, 2021Observed: 1.01 ft at 5:45AM Nov 29, 2021Observed: 1.01 ft at 6:00AM Nov 29, 2021Observed: 1.01 ft at 6:15AM Nov 29, 2021Observed: 1.01 ft at 6:30AM Nov 29, 2021Observed: 1.01 ft at 6:45AM Nov 29, 2021Observed: 1.01 ft at 7:00AM Nov 29, 2021Observed: 1.01 ft at 7:15AM Nov 29, 2021Observed: 1.01 ft at 7:30AM Nov 29, 2021Observed: 1.01 ft at 7:45AM Nov 29, 2021Observed: 1.01 ft at 8:00AM Nov 29, 2021Observed: 1.01 ft at 8:15AM Nov 29, 2021Observed: 1.01 ft at 8:30AM Nov 29, 2021Observed: 1.01 ft at 8:45AM Nov 29, 2021Observed: 1.01 ft at 9:00AM Nov 29, 2021Observed: 1.01 ft at 9:15AM Nov 29, 2021Observed: 1.01 ft at 9:30AM Nov 29, 2021Observed: 1.01 ft at 9:45AM Nov 29, 2021Observed: 1.01 ft at 10:00AM Nov 29, 2021Observed: 1.01 ft at 10:15AM Nov 29, 2021Observed: 0.96 ft at 10:30AM Nov 29, 2021Observed: 0.96 ft at 10:45AM Nov 29, 2021Observed: 0.96 ft at 11:00AM Nov 29, 2021Observed: 0.95 ft at 11:15AM Nov 29, 2021Observed: 0.95 ft at 11:30AM Nov 29, 2021Observed: 0.94 ft at 11:45AM Nov 29, 2021Observed: 0.93 ft at 12:00PM Nov 29, 2021Observed: 0.94 ft at 12:15PM Nov 29, 2021Observed: 0.94 ft at 12:30PM Nov 29, 2021Observed: 0.94 ft at 12:45PM Nov 29, 2021Observed: 0.94 ft at 1:00PM Nov 29, 2021Observed: 0.93 ft at 1:15PM Nov 29, 2021USGS--Water Resources of the United StatesMHYI2(plotting HTIRG) Graph Created (2:09PM Nov 29, 2021)ObservedLatest observed value: 0.93 ft at 1:15 PM CST 29-Nov-2021. Flood Stage is 4 ft
Printable Image
About this graph
Tabular Data (UTC)
Tabular Data (CST)
XML Data
RSS Files
Datum: NAVD88
Metadata
NOTE: Forecasts are not available for the Fox River at McHenry (Stratton Lock and Dam) tailwater. Only observed stages are available for this point.
Return to Area Map
Upstream Gauge - near Johnsburg Upstream Gauge Downstream Gauge Downstream Gauge - at Algonquin
Flood Categories (in feet)
Major Flood Stage: 7
Moderate Flood Stage: 6
Flood Stage: 4
Action Stage: 3
Low Stage (in feet): 0.5

Historic Crests
(1) 7.65 ft on 07/22/2017
(2) 7.64 ft on 04/23/2013
(3) 7.20 ft on 10/02/1986
(4) 7.04 ft on 04/02/1979
(5) 6.95 ft on 08/27/2007
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 6.20 ft on 05/23/2020
(2) 5.49 ft on 05/04/2020
(3) 5.93 ft on 10/08/2019
(4) 6.43 ft on 09/17/2019
(5) 4.93 ft on 06/01/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) -0.01 ft on 10/06/2012

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
12 McHenry Waste Water Treatment Plant property is threatened. Miller Road is threatened west of the river in McHenry.
11 Multiple structures along the river are threatened in downtown McHenry. River Road is threatened at IL-120 (Elm Street) in McHenry.
10.5 IL-176 is threatened near Holiday Hills.
9 Country Club Drive, Emerald Drive, and River Road near Chapel Hill Road are threatened in McHenry.
8.5 Residences threatened along Country Club Drive and Emerald Drive in McHenry. Roadways threatened at Miller Riverfront Park in McHenry.
8 Residences along River Road are threatened near Mary Lane in McHenry. Backwater causes Boone Creek to threaten parking lots in downtown McHenry. Numerous marinas are threatened in McHenry.
7 Low-lying sections of Miller Riverfront Park inundated in McHenry.
6 Backwater causes Boone Creek to inundate sections of the McHenry river walk.
5.5 Water reaches bankfull along Country Club Drive and Emerald Drive in McHenry.
5 Roadways and structures may be threatened in Frisch's Riverside subdivision along Lagoon and River Shore Drives.
4.5 Roadways and structures may be threatened in the Holiday Hills subdivison along Holiday Drive.
3.5 Boathouses threatened along the river downstream of the dam.
3 Fox Waterway Agency considers "no wake" order for the Fox River from Algonquin Dam to Stratton Dam.
Low Water Impacts Collapse
If you notice any errors in the below information, please contact our Webmaster
0.0 River nears zero flow.
0.5 Approximate stage of the 1-in-10 annual chance flow (7-day average).
1.0 Low water levels begin to impact operations at Stratton and Algonquin Dams.
About This Location Collapse

Latitude: 42.309167° N, Longitude: 88.251389° W, Horizontal Datum: NAD27

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 4 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 729.99 734.99 Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available 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
Illinois DNR Office of Water Resources: Stratton Operations Update
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