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
Navigation Bar End Cap

Winnebago River (Northern IA) At Mason City (MCWI4)

Return to Top
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.
Flood Stage: 10 Feet
Latest Stage: 8.2
Current Warnings/Statements/Advisories:None currently.
at Mason City
Stage (ft)Flow (cfs)Observed: 7.75 ft at 9:00PM Sep 21, 2016Observed: 7.84 ft at 9:15PM Sep 21, 2016Observed: 7.89 ft at 9:30PM Sep 21, 2016Observed: 7.97 ft at 9:45PM Sep 21, 2016Observed: 8.04 ft at 10:00PM Sep 21, 2016Observed: 8.01 ft at 10:15PM Sep 21, 2016Observed: 8.15 ft at 10:30PM Sep 21, 2016Observed: 8.16 ft at 10:45PM Sep 21, 2016Observed: 8.25 ft at 11:00PM Sep 21, 2016Observed: 8.32 ft at 11:15PM Sep 21, 2016Observed: 8.39 ft at 11:30PM Sep 21, 2016Observed: 8.47 ft at 11:45PM Sep 21, 2016Observed: 8.52 ft at 12:00AM Sep 22, 2016Observed: 8.62 ft at 12:15AM Sep 22, 2016Observed: 8.68 ft at 12:30AM Sep 22, 2016Observed: 8.74 ft at 12:45AM Sep 22, 2016Observed: 8.78 ft at 1:00AM Sep 22, 2016Observed: 8.9 ft at 1:15AM Sep 22, 2016Observed: 8.94 ft at 1:30AM Sep 22, 2016Observed: 9.03 ft at 1:45AM Sep 22, 2016Observed: 9.1 ft at 2:00AM Sep 22, 2016Observed: 9.13 ft at 2:15AM Sep 22, 2016Observed: 9.16 ft at 2:30AM Sep 22, 2016Observed: 9.22 ft at 2:45AM Sep 22, 2016Observed: 9.24 ft at 3:00AM Sep 22, 2016Observed: 9.25 ft at 3:15AM Sep 22, 2016Observed: 9.35 ft at 3:30AM Sep 22, 2016Observed: 9.39 ft at 3:45AM Sep 22, 2016Observed: 9.45 ft at 4:00AM Sep 22, 2016Observed: 9.65 ft at 4:15AM Sep 22, 2016Observed: 9.91 ft at 4:30AM Sep 22, 2016Observed: 10.12 ft at 4:45AM Sep 22, 2016Observed: 10.31 ft at 5:00AM Sep 22, 2016Observed: 10.42 ft at 5:15AM Sep 22, 2016Observed: 10.52 ft at 5:30AM Sep 22, 2016Observed: 10.6 ft at 5:45AM Sep 22, 2016Observed: 10.71 ft at 6:00AM Sep 22, 2016Observed: 10.79 ft at 6:15AM Sep 22, 2016Observed: 10.87 ft at 6:30AM Sep 22, 2016Observed: 10.95 ft at 6:45AM Sep 22, 2016Observed: 11.05 ft at 7:00AM Sep 22, 2016Observed: 11.13 ft at 7:15AM Sep 22, 2016Observed: 11.23 ft at 7:30AM Sep 22, 2016Observed: 11.28 ft at 7:45AM Sep 22, 2016Observed: 11.41 ft at 8:00AM Sep 22, 2016Observed: 11.48 ft at 8:15AM Sep 22, 2016Observed: 11.63 ft at 8:30AM Sep 22, 2016Observed: 11.72 ft at 8:45AM Sep 22, 2016Observed: 11.85 ft at 9:00AM Sep 22, 2016Observed: 11.93 ft at 9:15AM Sep 22, 2016Observed: 12 ft at 9:30AM Sep 22, 2016Observed: 12.08 ft at 9:45AM Sep 22, 2016Observed: 12.23 ft at 10:00AM Sep 22, 2016Observed: 12.33 ft at 10:15AM Sep 22, 2016Observed: 12.41 ft at 10:30AM Sep 22, 2016Observed: 12.53 ft at 10:45AM Sep 22, 2016Observed: 12.63 ft at 11:00AM Sep 22, 2016Observed: 12.74 ft at 11:15AM Sep 22, 2016Observed: 12.85 ft at 11:30AM Sep 22, 2016Observed: 12.98 ft at 11:45AM Sep 22, 2016Observed: 13.08 ft at 12:00PM Sep 22, 2016Observed: 13.18 ft at 12:15PM Sep 22, 2016Observed: 13.3 ft at 12:30PM Sep 22, 2016Observed: 13.39 ft at 12:45PM Sep 22, 2016Observed: 13.46 ft at 1:00PM Sep 22, 2016Observed: 13.53 ft at 1:15PM Sep 22, 2016Observed: 13.62 ft at 1:30PM Sep 22, 2016Observed: 13.72 ft at 1:45PM Sep 22, 2016Observed: 13.76 ft at 2:00PM Sep 22, 2016Observed: 13.8 ft at 2:15PM Sep 22, 2016Observed: 13.86 ft at 2:30PM Sep 22, 2016Observed: 13.89 ft at 2:45PM Sep 22, 2016Observed: 13.92 ft at 3:00PM Sep 22, 2016Observed: 13.96 ft at 3:15PM Sep 22, 2016Observed: 14.01 ft at 3:30PM Sep 22, 2016Observed: 14 ft at 3:45PM Sep 22, 2016Observed: 14.1 ft at 4:00PM Sep 22, 2016Observed: 14.1 ft at 4:15PM Sep 22, 2016Observed: 14.12 ft at 4:30PM Sep 22, 2016Observed: 14.12 ft at 4:45PM Sep 22, 2016Observed: 14.11 ft at 5:00PM Sep 22, 2016Observed: 14.1 ft at 5:15PM Sep 22, 2016Observed: 14.12 ft at 5:30PM Sep 22, 2016Observed: 14.11 ft at 5:45PM Sep 22, 2016Observed: 14.13 ft at 6:00PM Sep 22, 2016Highest Observation: 14.14 ft at 6:15PM Sep 22, 2016Observed: 14.12 ft at 6:30PM Sep 22, 2016Observed: 14.12 ft at 6:45PM Sep 22, 2016Observed: 14.06 ft at 7:00PM Sep 22, 2016Observed: 14.03 ft at 7:15PM Sep 22, 2016Observed: 14.06 ft at 7:30PM Sep 22, 2016Observed: 14.05 ft at 7:45PM Sep 22, 2016Observed: 14.02 ft at 8:00PM Sep 22, 2016Observed: 13.98 ft at 8:15PM Sep 22, 2016Observed: 13.96 ft at 8:30PM Sep 22, 2016Observed: 13.91 ft at 8:45PM Sep 22, 2016Observed: 13.91 ft at 9:00PM Sep 22, 2016Observed: 13.86 ft at 9:15PM Sep 22, 2016Observed: 13.82 ft at 9:30PM Sep 22, 2016Observed: 13.79 ft at 9:45PM Sep 22, 2016Observed: 13.77 ft at 10:00PM Sep 22, 2016Observed: 13.7 ft at 10:15PM Sep 22, 2016Observed: 13.67 ft at 10:30PM Sep 22, 2016Observed: 13.54 ft at 10:45PM Sep 22, 2016Observed: 13.56 ft at 11:00PM Sep 22, 2016Observed: 13.5 ft at 11:15PM Sep 22, 2016Observed: 13.43 ft at 11:30PM Sep 22, 2016Observed: 13.38 ft at 11:45PM Sep 22, 2016Observed: 13.35 ft at 12:00AM Sep 23, 2016Observed: 13.29 ft at 12:15AM Sep 23, 2016Observed: 13.22 ft at 12:30AM Sep 23, 2016Observed: 13.16 ft at 12:45AM Sep 23, 2016Observed: 13.12 ft at 1:00AM Sep 23, 2016Observed: 13.04 ft at 1:15AM Sep 23, 2016Observed: 13 ft at 1:30AM Sep 23, 2016Observed: 12.97 ft at 1:45AM Sep 23, 2016Observed: 12.95 ft at 2:00AM Sep 23, 2016Observed: 12.96 ft at 2:15AM Sep 23, 2016Observed: 12.91 ft at 2:30AM Sep 23, 2016Observed: 12.95 ft at 2:45AM Sep 23, 2016Observed: 12.9 ft at 3:00AM Sep 23, 2016Observed: 12.8 ft at 3:15AM Sep 23, 2016Observed: 12.83 ft at 3:30AM Sep 23, 2016Observed: 12.77 ft at 3:45AM Sep 23, 2016Observed: 12.69 ft at 4:00AM Sep 23, 2016Observed: 12.66 ft at 4:15AM Sep 23, 2016Observed: 12.59 ft at 4:30AM Sep 23, 2016Observed: 12.55 ft at 4:45AM Sep 23, 2016Observed: 12.55 ft at 5:00AM Sep 23, 2016Observed: 12.53 ft at 5:15AM Sep 23, 2016Observed: 12.46 ft at 5:30AM Sep 23, 2016Observed: 12.44 ft at 5:45AM Sep 23, 2016Observed: 12.43 ft at 6:00AM Sep 23, 2016Observed: 12.42 ft at 6:15AM Sep 23, 2016Observed: 12.37 ft at 6:30AM Sep 23, 2016Observed: 12.35 ft at 6:45AM Sep 23, 2016Observed: 12.32 ft at 7:00AM Sep 23, 2016Observed: 12.27 ft at 7:15AM Sep 23, 2016Observed: 12.25 ft at 7:30AM Sep 23, 2016Observed: 12.24 ft at 7:45AM Sep 23, 2016Observed: 12.21 ft at 8:00AM Sep 23, 2016Observed: 12.18 ft at 8:15AM Sep 23, 2016Observed: 12.16 ft at 8:30AM Sep 23, 2016Observed: 12.14 ft at 8:45AM Sep 23, 2016Observed: 12.07 ft at 9:00AM Sep 23, 2016Observed: 12.04 ft at 9:15AM Sep 23, 2016Observed: 12.03 ft at 9:30AM Sep 23, 2016Observed: 12.01 ft at 9:45AM Sep 23, 2016Observed: 11.97 ft at 10:00AM Sep 23, 2016Observed: 11.94 ft at 10:15AM Sep 23, 2016Observed: 11.89 ft at 10:30AM Sep 23, 2016Observed: 11.87 ft at 10:45AM Sep 23, 2016Observed: 11.82 ft at 11:00AM Sep 23, 2016Observed: 11.68 ft at 11:15AM Sep 23, 2016Observed: 11.68 ft at 11:30AM Sep 23, 2016Observed: 11.6 ft at 11:45AM Sep 23, 2016Observed: 11.56 ft at 12:00PM Sep 23, 2016Observed: 11.53 ft at 12:15PM Sep 23, 2016Observed: 11.5 ft at 12:30PM Sep 23, 2016Observed: 11.41 ft at 12:45PM Sep 23, 2016Observed: 11.39 ft at 1:00PM Sep 23, 2016Observed: 11.39 ft at 1:15PM Sep 23, 2016Observed: 11.34 ft at 1:30PM Sep 23, 2016Observed: 11.32 ft at 1:45PM Sep 23, 2016Observed: 11.26 ft at 2:00PM Sep 23, 2016Observed: 11.22 ft at 2:15PM Sep 23, 2016Observed: 11.18 ft at 2:30PM Sep 23, 2016Observed: 11.15 ft at 2:45PM Sep 23, 2016Observed: 11.11 ft at 3:00PM Sep 23, 2016Observed: 11.04 ft at 3:15PM Sep 23, 2016Observed: 11.05 ft at 3:30PM Sep 23, 2016Observed: 10.97 ft at 3:45PM Sep 23, 2016Observed: 10.94 ft at 4:00PM Sep 23, 2016Observed: 10.93 ft at 4:15PM Sep 23, 2016Observed: 10.88 ft at 4:30PM Sep 23, 2016Observed: 10.81 ft at 4:45PM Sep 23, 2016Observed: 10.79 ft at 5:00PM Sep 23, 2016Observed: 10.78 ft at 5:15PM Sep 23, 2016Observed: 10.71 ft at 5:30PM Sep 23, 2016Observed: 10.67 ft at 5:45PM Sep 23, 2016Observed: 10.63 ft at 6:00PM Sep 23, 2016Observed: 10.6 ft at 6:15PM Sep 23, 2016Observed: 10.58 ft at 6:30PM Sep 23, 2016Observed: 10.52 ft at 6:45PM Sep 23, 2016Observed: 10.51 ft at 7:00PM Sep 23, 2016Observed: 10.45 ft at 7:15PM Sep 23, 2016Observed: 10.41 ft at 7:30PM Sep 23, 2016Observed: 10.42 ft at 7:45PM Sep 23, 2016Observed: 10.34 ft at 8:00PM Sep 23, 2016Observed: 10.34 ft at 8:15PM Sep 23, 2016Observed: 10.28 ft at 8:30PM Sep 23, 2016Observed: 10.27 ft at 8:45PM Sep 23, 2016Observed: 10.25 ft at 9:00PM Sep 23, 2016Observed: 10.22 ft at 9:15PM Sep 23, 2016Observed: 10.2 ft at 9:30PM Sep 23, 2016Observed: 10.16 ft at 9:45PM Sep 23, 2016Observed: 10.13 ft at 10:00PM Sep 23, 2016Observed: 10.13 ft at 10:15PM Sep 23, 2016Observed: 10.1 ft at 10:30PM Sep 23, 2016Observed: 10.06 ft at 10:45PM Sep 23, 2016Observed: 10.06 ft at 11:00PM Sep 23, 2016Observed: 10.03 ft at 11:15PM Sep 23, 2016Observed: 10 ft at 11:30PM Sep 23, 2016Observed: 9.98 ft at 11:45PM Sep 23, 2016Observed: 9.98 ft at 12:00AM Sep 24, 2016Observed: 9.97 ft at 12:15AM Sep 24, 2016Observed: 9.95 ft at 12:30AM Sep 24, 2016Observed: 9.91 ft at 12:45AM Sep 24, 2016Observed: 9.91 ft at 1:00AM Sep 24, 2016Observed: 9.89 ft at 1:15AM Sep 24, 2016Observed: 9.87 ft at 1:30AM Sep 24, 2016Observed: 9.87 ft at 1:45AM Sep 24, 2016Observed: 9.83 ft at 2:00AM Sep 24, 2016Observed: 9.85 ft at 2:15AM Sep 24, 2016Observed: 9.8 ft at 2:30AM Sep 24, 2016Observed: 9.83 ft at 2:45AM Sep 24, 2016Observed: 9.77 ft at 3:00AM Sep 24, 2016Observed: 9.81 ft at 3:15AM Sep 24, 2016Observed: 9.76 ft at 3:30AM Sep 24, 2016Observed: 9.76 ft at 3:45AM Sep 24, 2016Observed: 9.74 ft at 4:00AM Sep 24, 2016Observed: 9.73 ft at 4:15AM Sep 24, 2016Observed: 9.74 ft at 4:30AM Sep 24, 2016Observed: 9.74 ft at 4:45AM Sep 24, 2016Observed: 9.71 ft at 5:00AM Sep 24, 2016Observed: 9.69 ft at 5:15AM Sep 24, 2016Observed: 9.66 ft at 5:30AM Sep 24, 2016Observed: 9.68 ft at 5:45AM Sep 24, 2016Observed: 9.66 ft at 6:00AM Sep 24, 2016Observed: 9.66 ft at 6:15AM Sep 24, 2016Observed: 9.63 ft at 6:30AM Sep 24, 2016Observed: 9.64 ft at 6:45AM Sep 24, 2016Observed: 9.6 ft at 7:00AM Sep 24, 2016Observed: 9.63 ft at 7:15AM Sep 24, 2016Observed: 9.6 ft at 7:30AM Sep 24, 2016Observed: 9.58 ft at 7:45AM Sep 24, 2016Observed: 9.55 ft at 8:00AM Sep 24, 2016Observed: 9.59 ft at 8:15AM Sep 24, 2016Observed: 9.54 ft at 8:30AM Sep 24, 2016Observed: 9.54 ft at 8:45AM Sep 24, 2016Observed: 9.53 ft at 9:00AM Sep 24, 2016Observed: 9.54 ft at 9:15AM Sep 24, 2016Observed: 9.5 ft at 9:30AM Sep 24, 2016Observed: 9.52 ft at 9:45AM Sep 24, 2016Observed: 9.49 ft at 10:00AM Sep 24, 2016Observed: 9.5 ft at 10:15AM Sep 24, 2016Observed: 9.48 ft at 10:30AM Sep 24, 2016Observed: 9.49 ft at 10:45AM Sep 24, 2016Observed: 9.47 ft at 11:00AM Sep 24, 2016Observed: 9.47 ft at 11:15AM Sep 24, 2016Observed: 9.46 ft at 11:30AM Sep 24, 2016Observed: 9.43 ft at 11:45AM Sep 24, 2016Observed: 9.45 ft at 12:00PM Sep 24, 2016Observed: 9.45 ft at 12:15PM Sep 24, 2016Observed: 9.42 ft at 12:30PM Sep 24, 2016Observed: 9.42 ft at 12:45PM Sep 24, 2016Observed: 9.42 ft at 1:00PM Sep 24, 2016Observed: 9.41 ft at 1:15PM Sep 24, 2016Observed: 9.39 ft at 1:30PM Sep 24, 2016Observed: 9.38 ft at 1:45PM Sep 24, 2016Observed: 9.37 ft at 2:00PM Sep 24, 2016Observed: 9.39 ft at 2:15PM Sep 24, 2016Observed: 9.41 ft at 2:30PM Sep 24, 2016Observed: 9.37 ft at 2:45PM Sep 24, 2016Observed: 9.38 ft at 3:00PM Sep 24, 2016Observed: 9.37 ft at 3:15PM Sep 24, 2016Observed: 9.36 ft at 3:30PM Sep 24, 2016Observed: 9.37 ft at 3:45PM Sep 24, 2016Observed: 9.34 ft at 4:00PM Sep 24, 2016Observed: 9.33 ft at 4:15PM Sep 24, 2016Observed: 9.34 ft at 4:30PM Sep 24, 2016Observed: 9.33 ft at 4:45PM Sep 24, 2016Observed: 9.32 ft at 5:00PM Sep 24, 2016Observed: 9.32 ft at 5:15PM Sep 24, 2016Observed: 9.32 ft at 5:30PM Sep 24, 2016Observed: 9.31 ft at 5:45PM Sep 24, 2016Observed: 9.3 ft at 6:00PM Sep 24, 2016Observed: 9.29 ft at 6:15PM Sep 24, 2016Observed: 9.28 ft at 6:30PM Sep 24, 2016Observed: 9.26 ft at 6:45PM Sep 24, 2016Observed: 9.29 ft at 7:00PM Sep 24, 2016Observed: 9.27 ft at 7:15PM Sep 24, 2016Observed: 9.26 ft at 7:30PM Sep 24, 2016Observed: 9.24 ft at 7:45PM Sep 24, 2016Observed: 9.25 ft at 8:00PM Sep 24, 2016Observed: 9.21 ft at 8:15PM Sep 24, 2016Observed: 9.22 ft at 8:30PM Sep 24, 2016Observed: 9.2 ft at 8:45PM Sep 24, 2016Observed: 9.18 ft at 9:00PM Sep 24, 2016Observed: 9.2 ft at 9:15PM Sep 24, 2016Observed: 9.18 ft at 9:30PM Sep 24, 2016Observed: 9.18 ft at 9:45PM Sep 24, 2016Observed: 9.16 ft at 10:00PM Sep 24, 2016Observed: 9.18 ft at 10:15PM Sep 24, 2016Observed: 9.18 ft at 10:30PM Sep 24, 2016Observed: 9.18 ft at 10:45PM Sep 24, 2016Observed: 9.17 ft at 11:00PM Sep 24, 2016Observed: 9.17 ft at 11:15PM Sep 24, 2016Observed: 9.17 ft at 11:30PM Sep 24, 2016Observed: 9.17 ft at 11:45PM Sep 24, 2016Observed: 9.15 ft at 12:00AM Sep 25, 2016Observed: 9.14 ft at 12:15AM Sep 25, 2016Observed: 9.15 ft at 12:30AM Sep 25, 2016Observed: 9.14 ft at 12:45AM Sep 25, 2016Observed: 9.14 ft at 1:00AM Sep 25, 2016Observed: 9.13 ft at 1:15AM Sep 25, 2016Observed: 9.1 ft at 1:30AM Sep 25, 2016Observed: 9.11 ft at 1:45AM Sep 25, 2016Observed: 9.11 ft at 2:00AM Sep 25, 2016Observed: 9.09 ft at 2:15AM Sep 25, 2016Observed: 9.07 ft at 2:30AM Sep 25, 2016Observed: 9.1 ft at 2:45AM Sep 25, 2016Observed: 9.08 ft at 3:00AM Sep 25, 2016Observed: 9.08 ft at 3:15AM Sep 25, 2016Observed: 9.07 ft at 3:30AM Sep 25, 2016Observed: 9.04 ft at 3:45AM Sep 25, 2016Observed: 9.07 ft at 4:00AM Sep 25, 2016Observed: 9.06 ft at 4:15AM Sep 25, 2016Observed: 9.04 ft at 4:30AM Sep 25, 2016Observed: 9.05 ft at 4:45AM Sep 25, 2016Observed: 9.01 ft at 5:00AM Sep 25, 2016Observed: 9.03 ft at 5:15AM Sep 25, 2016Observed: 9.01 ft at 5:30AM Sep 25, 2016Observed: 9.01 ft at 5:45AM Sep 25, 2016Observed: 9.02 ft at 6:00AM Sep 25, 2016Observed: 8.99 ft at 6:15AM Sep 25, 2016Observed: 8.99 ft at 6:30AM Sep 25, 2016Observed: 9 ft at 6:45AM Sep 25, 2016Observed: 8.97 ft at 7:00AM Sep 25, 2016Observed: 8.97 ft at 7:15AM Sep 25, 2016Observed: 8.98 ft at 7:30AM Sep 25, 2016Observed: 8.98 ft at 7:45AM Sep 25, 2016Observed: 8.97 ft at 8:00AM Sep 25, 2016Observed: 8.97 ft at 8:15AM Sep 25, 2016Observed: 8.94 ft at 8:30AM Sep 25, 2016Observed: 8.94 ft at 8:45AM Sep 25, 2016Observed: 8.97 ft at 9:00AM Sep 25, 2016Observed: 8.94 ft at 9:15AM Sep 25, 2016Observed: 8.91 ft at 9:30AM Sep 25, 2016Observed: 8.92 ft at 9:45AM Sep 25, 2016Observed: 8.91 ft at 10:00AM Sep 25, 2016Observed: 8.89 ft at 10:15AM Sep 25, 2016Observed: 8.9 ft at 10:30AM Sep 25, 2016Observed: 8.91 ft at 10:45AM Sep 25, 2016Observed: 8.89 ft at 11:00AM Sep 25, 2016Observed: 8.91 ft at 11:15AM Sep 25, 2016Observed: 8.87 ft at 11:30AM Sep 25, 2016Observed: 8.89 ft at 11:45AM Sep 25, 2016Observed: 8.87 ft at 12:00PM Sep 25, 2016Observed: 8.87 ft at 12:15PM Sep 25, 2016Observed: 8.86 ft at 12:30PM Sep 25, 2016Observed: 8.88 ft at 12:45PM Sep 25, 2016Observed: 8.86 ft at 1:00PM Sep 25, 2016Observed: 8.83 ft at 1:15PM Sep 25, 2016Observed: 8.85 ft at 1:30PM Sep 25, 2016Observed: 8.83 ft at 1:45PM Sep 25, 2016Observed: 8.84 ft at 2:00PM Sep 25, 2016Observed: 8.84 ft at 2:15PM Sep 25, 2016Observed: 8.85 ft at 2:30PM Sep 25, 2016Observed: 8.84 ft at 2:45PM Sep 25, 2016Observed: 8.83 ft at 3:00PM Sep 25, 2016Observed: 8.81 ft at 3:15PM Sep 25, 2016Observed: 8.82 ft at 3:30PM Sep 25, 2016Observed: 8.82 ft at 3:45PM Sep 25, 2016Observed: 8.81 ft at 4:00PM Sep 25, 2016Observed: 8.8 ft at 4:15PM Sep 25, 2016Observed: 8.8 ft at 4:30PM Sep 25, 2016Observed: 8.8 ft at 4:45PM Sep 25, 2016Observed: 8.78 ft at 5:00PM Sep 25, 2016Observed: 8.79 ft at 5:15PM Sep 25, 2016Observed: 8.78 ft at 5:30PM Sep 25, 2016Observed: 8.76 ft at 5:45PM Sep 25, 2016Observed: 8.77 ft at 6:00PM Sep 25, 2016Observed: 8.78 ft at 6:15PM Sep 25, 2016Observed: 8.78 ft at 6:30PM Sep 25, 2016Observed: 8.75 ft at 6:45PM Sep 25, 2016Observed: 8.75 ft at 7:00PM Sep 25, 2016Observed: 8.74 ft at 7:15PM Sep 25, 2016Observed: 8.72 ft at 7:30PM Sep 25, 2016Observed: 8.71 ft at 7:45PM Sep 25, 2016Observed: 8.74 ft at 8:00PM Sep 25, 2016Observed: 8.73 ft at 8:15PM Sep 25, 2016Observed: 8.73 ft at 8:30PM Sep 25, 2016Observed: 8.73 ft at 8:45PM Sep 25, 2016Observed: 8.72 ft at 9:00PM Sep 25, 2016Observed: 8.72 ft at 9:15PM Sep 25, 2016Observed: 8.71 ft at 9:30PM Sep 25, 2016Observed: 8.7 ft at 9:45PM Sep 25, 2016Observed: 8.68 ft at 10:00PM Sep 25, 2016Observed: 8.69 ft at 10:15PM Sep 25, 2016Observed: 8.68 ft at 10:30PM Sep 25, 2016Observed: 8.65 ft at 10:45PM Sep 25, 2016Observed: 8.66 ft at 11:00PM Sep 25, 2016Observed: 8.65 ft at 11:15PM Sep 25, 2016Observed: 8.65 ft at 11:30PM Sep 25, 2016Observed: 8.66 ft at 11:45PM Sep 25, 2016Observed: 8.65 ft at 12:00AM Sep 26, 2016Observed: 8.64 ft at 12:15AM Sep 26, 2016Observed: 8.65 ft at 12:30AM Sep 26, 2016Observed: 8.63 ft at 12:45AM Sep 26, 2016Observed: 8.63 ft at 1:00AM Sep 26, 2016Observed: 8.62 ft at 1:15AM Sep 26, 2016Observed: 8.6 ft at 1:30AM Sep 26, 2016Observed: 8.61 ft at 1:45AM Sep 26, 2016Observed: 8.61 ft at 2:00AM Sep 26, 2016Observed: 8.6 ft at 2:15AM Sep 26, 2016Observed: 8.58 ft at 2:30AM Sep 26, 2016Observed: 8.58 ft at 2:45AM Sep 26, 2016Observed: 8.57 ft at 3:00AM Sep 26, 2016Observed: 8.57 ft at 3:15AM Sep 26, 2016Observed: 8.57 ft at 3:30AM Sep 26, 2016Observed: 8.55 ft at 3:45AM Sep 26, 2016Observed: 8.55 ft at 4:00AM Sep 26, 2016Observed: 8.56 ft at 4:15AM Sep 26, 2016Observed: 8.56 ft at 4:30AM Sep 26, 2016Observed: 8.53 ft at 4:45AM Sep 26, 2016Observed: 8.55 ft at 5:00AM Sep 26, 2016Observed: 8.54 ft at 5:15AM Sep 26, 2016Observed: 8.53 ft at 5:30AM Sep 26, 2016Observed: 8.52 ft at 5:45AM Sep 26, 2016Observed: 8.49 ft at 6:00AM Sep 26, 2016Observed: 8.51 ft at 6:15AM Sep 26, 2016Observed: 8.5 ft at 6:30AM Sep 26, 2016Observed: 8.51 ft at 6:45AM Sep 26, 2016Observed: 8.48 ft at 7:00AM Sep 26, 2016Observed: 8.48 ft at 7:15AM Sep 26, 2016Observed: 8.47 ft at 7:30AM Sep 26, 2016Observed: 8.49 ft at 7:45AM Sep 26, 2016Observed: 8.47 ft at 8:00AM Sep 26, 2016Observed: 8.47 ft at 8:15AM Sep 26, 2016Observed: 8.46 ft at 8:30AM Sep 26, 2016Observed: 8.45 ft at 8:45AM Sep 26, 2016Observed: 8.45 ft at 9:00AM Sep 26, 2016Observed: 8.44 ft at 9:15AM Sep 26, 2016Observed: 8.44 ft at 9:30AM Sep 26, 2016Observed: 8.43 ft at 9:45AM Sep 26, 2016Observed: 8.41 ft at 10:00AM Sep 26, 2016Observed: 8.42 ft at 10:15AM Sep 26, 2016Observed: 8.43 ft at 10:30AM Sep 26, 2016Observed: 8.39 ft at 10:45AM Sep 26, 2016Observed: 8.4 ft at 11:00AM Sep 26, 2016Observed: 8.4 ft at 11:15AM Sep 26, 2016Observed: 8.38 ft at 11:30AM Sep 26, 2016Observed: 8.39 ft at 11:45AM Sep 26, 2016Observed: 8.38 ft at 12:00PM Sep 26, 2016Observed: 8.39 ft at 12:15PM Sep 26, 2016Observed: 8.36 ft at 12:30PM Sep 26, 2016Observed: 8.36 ft at 12:45PM Sep 26, 2016Observed: 8.38 ft at 1:00PM Sep 26, 2016Observed: 8.35 ft at 1:15PM Sep 26, 2016Observed: 8.33 ft at 1:30PM Sep 26, 2016Observed: 8.33 ft at 1:45PM Sep 26, 2016Observed: 8.35 ft at 2:00PM Sep 26, 2016Observed: 8.33 ft at 2:15PM Sep 26, 2016Observed: 8.34 ft at 2:30PM Sep 26, 2016Observed: 8.31 ft at 2:45PM Sep 26, 2016Observed: 8.32 ft at 3:00PM Sep 26, 2016Observed: 8.3 ft at 3:15PM Sep 26, 2016Observed: 8.3 ft at 3:30PM Sep 26, 2016Observed: 8.26 ft at 3:45PM Sep 26, 2016Observed: 8.29 ft at 4:00PM Sep 26, 2016Observed: 8.3 ft at 4:15PM Sep 26, 2016Observed: 8.28 ft at 4:30PM Sep 26, 2016Observed: 8.28 ft at 4:45PM Sep 26, 2016Observed: 8.27 ft at 5:00PM Sep 26, 2016Observed: 8.27 ft at 5:15PM Sep 26, 2016Observed: 8.24 ft at 5:30PM Sep 26, 2016Observed: 8.25 ft at 5:45PM Sep 26, 2016Observed: 8.23 ft at 6:00PM Sep 26, 2016Observed: 8.23 ft at 6:15PM Sep 26, 2016Observed: 8.23 ft at 6:30PM Sep 26, 2016Observed: 8.21 ft at 6:45PM Sep 26, 2016Observed: 8.22 ft at 7:00PM Sep 26, 2016Observed: 8.2 ft at 7:15PM Sep 26, 2016Observed: 8.2 ft at 7:30PM Sep 26, 2016Highest Forecast: 8.1 ft 1:00AM Sep 27, 2016Forecast: 7.9 ft 7:00AM Sep 27, 2016Forecast: 7.8 ft 1:00PM Sep 27, 2016Forecast: 7.6 ft 7:00PM Sep 27, 2016Forecast: 7.5 ft 1:00AM Sep 28, 2016Forecast: 7.4 ft 7:00AM Sep 28, 2016Forecast: 7.2 ft 1:00PM Sep 28, 2016Forecast: 7.1 ft 7:00PM Sep 28, 2016Forecast: 7 ft 1:00AM Sep 29, 2016Forecast: 7 ft 7:00AM Sep 29, 2016Forecast: 6.9 ft 1:00PM Sep 29, 2016Forecast: 6.8 ft 7:00PM Sep 29, 2016Forecast: 6.7 ft 1:00AM Sep 30, 2016Forecast: 6.6 ft 7:00AM Sep 30, 2016Forecast: 6.5 ft 1:00PM Sep 30, 2016Forecast: 6.4 ft 7:00PM Sep 30, 2016Forecast: 6.3 ft 1:00AM Oct 01, 2016Forecast: 6.2 ft 7:00AM Oct 01, 2016Forecast: 6.1 ft 1:00PM Oct 01, 2016Forecast: 6 ft 7:00PM Oct 01, 2016Forecast: 6 ft 1:00AM Oct 02, 2016Forecast: 5.9 ft 7:00AM Oct 02, 2016Forecast: 5.9 ft 1:00PM Oct 02, 2016Forecast: 5.9 ft 7:00PM Oct 02, 2016Forecast: 5.8 ft 1:00AM Oct 03, 2016Forecast: 5.8 ft 7:00AM Oct 03, 2016USGS--Water Resources of the United StatesMCWI4(plotting HGIRG) Graph Created (8:48PM Sep 26, 2016)ObservedForecast (issued 4:18PM Sep 26)Latest observed value: 8.2 ft at 7:30 PM CDT 26-Sep-2016. Flood Stage is 10 ft
Flood Impacts

If you notice any errors in the below information, please contact our Webmaster

20.5
Water overtops the floodwall at the water treatment plant...located at 13th St NE.
17.4
Water reaches bottom of railroad bridge east of Kentucky Avenue bridge.
15
This is the approximate top of levee protection. Levees run from the 12th Street Northeast bridge to 9th Street along the east bank and also from 8th Street to 6th and Hampshire Streets.
14
Water may flow over the city dikes.
12
Widespread flooding occurs along the river. Some backwater effects are possible along Willow Creek between downtown Mason City and the confluence with the Winnebago river.
11
Sandbagging occurs on the dike from 12th Street Northeast to Carolina Street.
10
There is widespread flooding of city parks and water reaches the underside of the 12th Street Northeast bridge at the piers.
8
East and west city parks are affected in the 12th Street Northeast area.
7
Low lying areas along the river are affected.
Flood Categories (in feet)
Major Flood Stage: 15.5
Moderate Flood Stage: 14.5
Flood Stage: 10
Action Stage: 6
Low Stage (in feet): 0

Historic Crests
(1) 18.74 ft on 06/08/2008
(2) 14.80 ft on 03/27/1961
(3) 14.67 ft on 05/22/2004
(4) 14.27 ft on 04/11/1965
(5) 13.70 ft on 04/06/1965
(6) 13.06 ft on 08/31/1962
(7) 12.59 ft on 04/01/1993
(8) 12.44 ft on 04/07/1951
(9) 12.30 ft on 05/23/2004
(10) 12.25 ft on 07/08/1969
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 7.10 ft on 06/22/2015
(2) 7.54 ft on 06/30/2014
(3) 9.36 ft on 06/20/2014
(4) 6.63 ft on 04/30/2014
(5) 8.61 ft on 07/14/2013
(6) 8.07 ft on 06/25/2013
(7) 9.11 ft on 06/13/2013
(8) 7.18 ft on 06/09/2013
(9) 6.48 ft on 06/05/2013
(10) 8.90 ft on 05/28/2013
Show More Recent Crests

(P): Preliminary values subject to further review.

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
Des Moines Weather Forecast Office
9607 NW Beaver Dr.
Des Moines, IA 50131
(515) 270-2614
Ask Questions/Webmaster
Page last modified: 16-Nov-2015 1:20 PM
Disclaimer
Credits
Glossary
Privacy Policy
About Us
Career Opportunities