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

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NOTE: River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time.
Flood Stage: 10 Feet
Latest Stage: 5.69
Current Warnings/Statements/Advisories:None currently.
at Mason City
Stage (ft)Flow (cfs)Observed: 6.08 ft at 5:15PM Feb 20, 2017Observed: 6.12 ft at 5:30PM Feb 20, 2017Observed: 6.15 ft at 5:45PM Feb 20, 2017Observed: 6.17 ft at 6:00PM Feb 20, 2017Observed: 6.21 ft at 6:15PM Feb 20, 2017Observed: 6.24 ft at 6:30PM Feb 20, 2017Observed: 6.28 ft at 6:45PM Feb 20, 2017Observed: 6.32 ft at 7:00PM Feb 20, 2017Observed: 6.37 ft at 7:15PM Feb 20, 2017Observed: 6.38 ft at 7:30PM Feb 20, 2017Observed: 6.43 ft at 7:45PM Feb 20, 2017Observed: 6.44 ft at 8:00PM Feb 20, 2017Observed: 6.46 ft at 8:15PM Feb 20, 2017Observed: 6.5 ft at 8:30PM Feb 20, 2017Observed: 6.54 ft at 8:45PM Feb 20, 2017Observed: 6.57 ft at 9:00PM Feb 20, 2017Observed: 6.6 ft at 9:15PM Feb 20, 2017Observed: 6.62 ft at 9:30PM Feb 20, 2017Observed: 6.65 ft at 9:45PM Feb 20, 2017Observed: 6.69 ft at 10:00PM Feb 20, 2017Observed: 6.71 ft at 10:15PM Feb 20, 2017Observed: 6.74 ft at 10:30PM Feb 20, 2017Observed: 6.76 ft at 10:45PM Feb 20, 2017Observed: 6.78 ft at 11:00PM Feb 20, 2017Observed: 6.82 ft at 11:15PM Feb 20, 2017Observed: 6.83 ft at 11:30PM Feb 20, 2017Observed: 6.85 ft at 11:45PM Feb 20, 2017Observed: 6.89 ft at 12:00AM Feb 21, 2017Observed: 6.9 ft at 12:15AM Feb 21, 2017Observed: 6.91 ft at 12:30AM Feb 21, 2017Observed: 6.92 ft at 12:45AM Feb 21, 2017Observed: 6.95 ft at 1:00AM Feb 21, 2017Observed: 6.94 ft at 1:15AM Feb 21, 2017Observed: 6.97 ft at 1:30AM Feb 21, 2017Observed: 6.98 ft at 1:45AM Feb 21, 2017Observed: 6.99 ft at 2:00AM Feb 21, 2017Observed: 7.01 ft at 2:15AM Feb 21, 2017Observed: 7.02 ft at 2:30AM Feb 21, 2017Observed: 7.04 ft at 2:45AM Feb 21, 2017Observed: 7.03 ft at 3:00AM Feb 21, 2017Observed: 7.04 ft at 3:15AM Feb 21, 2017Observed: 7.06 ft at 3:30AM Feb 21, 2017Observed: 7.08 ft at 3:45AM Feb 21, 2017Observed: 7.06 ft at 4:00AM Feb 21, 2017Observed: 7.07 ft at 4:15AM Feb 21, 2017Observed: 7.13 ft at 4:30AM Feb 21, 2017Observed: 7.13 ft at 4:45AM Feb 21, 2017Observed: 7.11 ft at 5:00AM Feb 21, 2017Observed: 7.1 ft at 5:15AM Feb 21, 2017Observed: 7.13 ft at 5:30AM Feb 21, 2017Observed: 7.1 ft at 5:45AM Feb 21, 2017Highest Observation: 7.14 ft at 6:00AM Feb 21, 2017Highest Observation: 7.14 ft at 6:15AM Feb 21, 2017Highest Observation: 7.14 ft at 6:30AM Feb 21, 2017Observed: 7.13 ft at 6:45AM Feb 21, 2017Observed: 7.13 ft at 7:00AM Feb 21, 2017Highest Observation: 7.14 ft at 7:15AM Feb 21, 2017Observed: 7.13 ft at 7:30AM Feb 21, 2017Observed: 7.11 ft at 7:45AM Feb 21, 2017Observed: 7.1 ft at 8:00AM Feb 21, 2017Observed: 7.11 ft at 8:15AM Feb 21, 2017Observed: 7.1 ft at 8:30AM Feb 21, 2017Observed: 7.1 ft at 8:45AM Feb 21, 2017Observed: 7.07 ft at 9:00AM Feb 21, 2017Observed: 7.07 ft at 9:15AM Feb 21, 2017Observed: 7.07 ft at 9:30AM Feb 21, 2017Observed: 7.02 ft at 10:45AM Feb 21, 2017Observed: 7.02 ft at 11:00AM Feb 21, 2017Observed: 7 ft at 11:15AM Feb 21, 2017Observed: 7.01 ft at 11:30AM Feb 21, 2017Observed: 6.99 ft at 11:45AM Feb 21, 2017Observed: 7 ft at 12:00PM Feb 21, 2017Observed: 6.97 ft at 12:15PM Feb 21, 2017Observed: 6.97 ft at 12:30PM Feb 21, 2017Observed: 6.94 ft at 12:45PM Feb 21, 2017Observed: 6.96 ft at 1:00PM Feb 21, 2017Observed: 6.95 ft at 1:15PM Feb 21, 2017Observed: 6.94 ft at 1:30PM Feb 21, 2017Observed: 6.93 ft at 1:45PM Feb 21, 2017Observed: 6.92 ft at 2:00PM Feb 21, 2017Observed: 6.91 ft at 2:15PM Feb 21, 2017Observed: 6.91 ft at 2:30PM Feb 21, 2017Observed: 6.9 ft at 2:45PM Feb 21, 2017Observed: 6.89 ft at 3:00PM Feb 21, 2017Observed: 6.9 ft at 3:15PM Feb 21, 2017Observed: 6.88 ft at 3:30PM Feb 21, 2017Observed: 6.89 ft at 3:45PM Feb 21, 2017Observed: 6.87 ft at 4:00PM Feb 21, 2017Observed: 6.86 ft at 4:15PM Feb 21, 2017Observed: 6.86 ft at 4:30PM Feb 21, 2017Observed: 6.85 ft at 4:45PM Feb 21, 2017Observed: 6.86 ft at 5:00PM Feb 21, 2017Observed: 6.84 ft at 5:15PM Feb 21, 2017Observed: 6.8 ft at 5:30PM Feb 21, 2017Observed: 6.83 ft at 5:45PM Feb 21, 2017Observed: 6.83 ft at 6:00PM Feb 21, 2017Observed: 6.82 ft at 6:15PM Feb 21, 2017Observed: 6.82 ft at 6:30PM Feb 21, 2017Observed: 6.82 ft at 6:45PM Feb 21, 2017Observed: 6.82 ft at 7:00PM Feb 21, 2017Observed: 6.81 ft at 7:15PM Feb 21, 2017Observed: 6.8 ft at 7:30PM Feb 21, 2017Observed: 6.81 ft at 7:45PM Feb 21, 2017Observed: 6.78 ft at 8:00PM Feb 21, 2017Observed: 6.78 ft at 8:15PM Feb 21, 2017Observed: 6.77 ft at 8:30PM Feb 21, 2017Observed: 6.79 ft at 8:45PM Feb 21, 2017Observed: 6.76 ft at 9:00PM Feb 21, 2017Observed: 6.76 ft at 9:15PM Feb 21, 2017Observed: 6.76 ft at 9:30PM Feb 21, 2017Observed: 6.75 ft at 9:45PM Feb 21, 2017Observed: 6.75 ft at 10:00PM Feb 21, 2017Observed: 6.74 ft at 10:15PM Feb 21, 2017Observed: 6.73 ft at 10:30PM Feb 21, 2017Observed: 6.74 ft at 10:45PM Feb 21, 2017Observed: 6.73 ft at 11:00PM Feb 21, 2017Observed: 6.72 ft at 11:15PM Feb 21, 2017Observed: 6.72 ft at 11:30PM Feb 21, 2017Observed: 6.72 ft at 11:45PM Feb 21, 2017Observed: 6.72 ft at 12:00AM Feb 22, 2017Observed: 6.7 ft at 12:15AM Feb 22, 2017Observed: 6.71 ft at 12:30AM Feb 22, 2017Observed: 6.7 ft at 12:45AM Feb 22, 2017Observed: 6.67 ft at 1:00AM Feb 22, 2017Observed: 6.69 ft at 1:15AM Feb 22, 2017Observed: 6.67 ft at 1:30AM Feb 22, 2017Observed: 6.67 ft at 1:45AM Feb 22, 2017Observed: 6.68 ft at 2:00AM Feb 22, 2017Observed: 6.67 ft at 2:15AM Feb 22, 2017Observed: 6.67 ft at 2:30AM Feb 22, 2017Observed: 6.65 ft at 2:45AM Feb 22, 2017Observed: 6.65 ft at 3:00AM Feb 22, 2017Observed: 6.65 ft at 3:15AM Feb 22, 2017Observed: 6.62 ft at 3:30AM Feb 22, 2017Observed: 6.63 ft at 3:45AM Feb 22, 2017Observed: 6.63 ft at 4:00AM Feb 22, 2017Observed: 6.62 ft at 4:15AM Feb 22, 2017Observed: 6.61 ft at 4:30AM Feb 22, 2017Observed: 6.63 ft at 4:45AM Feb 22, 2017Observed: 6.62 ft at 5:00AM Feb 22, 2017Observed: 6.61 ft at 5:15AM Feb 22, 2017Observed: 6.6 ft at 5:30AM Feb 22, 2017Observed: 6.59 ft at 5:45AM Feb 22, 2017Observed: 6.59 ft at 6:00AM Feb 22, 2017Observed: 6.59 ft at 6:15AM Feb 22, 2017Observed: 6.59 ft at 6:30AM Feb 22, 2017Observed: 6.58 ft at 6:45AM Feb 22, 2017Observed: 6.57 ft at 7:00AM Feb 22, 2017Observed: 6.58 ft at 7:15AM Feb 22, 2017Observed: 6.57 ft at 7:30AM Feb 22, 2017Observed: 6.55 ft at 7:45AM Feb 22, 2017Observed: 6.56 ft at 8:00AM Feb 22, 2017Observed: 6.55 ft at 8:15AM Feb 22, 2017Observed: 6.56 ft at 8:30AM Feb 22, 2017Observed: 6.55 ft at 8:45AM Feb 22, 2017Observed: 6.53 ft at 9:00AM Feb 22, 2017Observed: 6.51 ft at 9:15AM Feb 22, 2017Observed: 6.52 ft at 9:30AM Feb 22, 2017Observed: 6.54 ft at 9:45AM Feb 22, 2017Observed: 6.52 ft at 10:00AM Feb 22, 2017Observed: 6.51 ft at 10:15AM Feb 22, 2017Observed: 6.51 ft at 10:30AM Feb 22, 2017Observed: 6.51 ft at 10:45AM Feb 22, 2017Observed: 6.5 ft at 11:00AM Feb 22, 2017Observed: 6.51 ft at 11:15AM Feb 22, 2017Observed: 6.49 ft at 11:30AM Feb 22, 2017Observed: 6.48 ft at 11:45AM Feb 22, 2017Observed: 6.49 ft at 12:00PM Feb 22, 2017Observed: 6.5 ft at 12:15PM Feb 22, 2017Observed: 6.48 ft at 12:30PM Feb 22, 2017Observed: 6.47 ft at 12:45PM Feb 22, 2017Observed: 6.47 ft at 1:00PM Feb 22, 2017Observed: 6.46 ft at 1:15PM Feb 22, 2017Observed: 6.46 ft at 1:30PM Feb 22, 2017Observed: 6.47 ft at 1:45PM Feb 22, 2017Observed: 6.46 ft at 2:00PM Feb 22, 2017Observed: 6.45 ft at 2:15PM Feb 22, 2017Observed: 6.45 ft at 2:30PM Feb 22, 2017Observed: 6.44 ft at 2:45PM Feb 22, 2017Observed: 6.45 ft at 3:00PM Feb 22, 2017Observed: 6.44 ft at 3:15PM Feb 22, 2017Observed: 6.43 ft at 3:30PM Feb 22, 2017Observed: 6.43 ft at 3:45PM Feb 22, 2017Observed: 6.42 ft at 4:00PM Feb 22, 2017Observed: 6.42 ft at 4:15PM Feb 22, 2017Observed: 6.42 ft at 4:30PM Feb 22, 2017Observed: 6.42 ft at 4:45PM Feb 22, 2017Observed: 6.42 ft at 5:00PM Feb 22, 2017Observed: 6.39 ft at 5:15PM Feb 22, 2017Observed: 6.41 ft at 5:30PM Feb 22, 2017Observed: 6.4 ft at 5:45PM Feb 22, 2017Observed: 6.39 ft at 6:00PM Feb 22, 2017Observed: 6.4 ft at 6:15PM Feb 22, 2017Observed: 6.39 ft at 6:30PM Feb 22, 2017Observed: 6.39 ft at 6:45PM Feb 22, 2017Observed: 6.36 ft at 7:00PM Feb 22, 2017Observed: 6.38 ft at 7:15PM Feb 22, 2017Observed: 6.37 ft at 7:30PM Feb 22, 2017Observed: 6.37 ft at 7:45PM Feb 22, 2017Observed: 6.36 ft at 8:00PM Feb 22, 2017Observed: 6.37 ft at 8:15PM Feb 22, 2017Observed: 6.36 ft at 8:30PM Feb 22, 2017Observed: 6.36 ft at 8:45PM Feb 22, 2017Observed: 6.35 ft at 9:00PM Feb 22, 2017Observed: 6.35 ft at 9:15PM Feb 22, 2017Observed: 6.35 ft at 9:30PM Feb 22, 2017Observed: 6.34 ft at 9:45PM Feb 22, 2017Observed: 6.34 ft at 10:00PM Feb 22, 2017Observed: 6.34 ft at 10:15PM Feb 22, 2017Observed: 6.34 ft at 10:30PM Feb 22, 2017Observed: 6.34 ft at 10:45PM Feb 22, 2017Observed: 6.34 ft at 11:00PM Feb 22, 2017Observed: 6.32 ft at 11:15PM Feb 22, 2017Observed: 6.32 ft at 11:30PM Feb 22, 2017Observed: 6.32 ft at 11:45PM Feb 22, 2017Observed: 6.32 ft at 12:00AM Feb 23, 2017Observed: 6.3 ft at 12:15AM Feb 23, 2017Observed: 6.3 ft at 12:30AM Feb 23, 2017Observed: 6.31 ft at 12:45AM Feb 23, 2017Observed: 6.31 ft at 1:00AM Feb 23, 2017Observed: 6.29 ft at 1:15AM Feb 23, 2017Observed: 6.28 ft at 1:30AM Feb 23, 2017Observed: 6.29 ft at 1:45AM Feb 23, 2017Observed: 6.29 ft at 2:00AM Feb 23, 2017Observed: 6.29 ft at 2:15AM Feb 23, 2017Observed: 6.28 ft at 2:30AM Feb 23, 2017Observed: 6.28 ft at 2:45AM Feb 23, 2017Observed: 6.28 ft at 3:00AM Feb 23, 2017Observed: 6.28 ft at 3:15AM Feb 23, 2017Observed: 6.27 ft at 3:30AM Feb 23, 2017Observed: 6.26 ft at 3:45AM Feb 23, 2017Observed: 6.26 ft at 4:00AM Feb 23, 2017Observed: 6.26 ft at 4:15AM Feb 23, 2017Observed: 6.26 ft at 4:30AM Feb 23, 2017Observed: 6.26 ft at 4:45AM Feb 23, 2017Observed: 6.25 ft at 5:00AM Feb 23, 2017Observed: 6.25 ft at 5:15AM Feb 23, 2017Observed: 6.25 ft at 5:30AM Feb 23, 2017Observed: 6.24 ft at 5:45AM Feb 23, 2017Observed: 6.24 ft at 6:00AM Feb 23, 2017Observed: 6.23 ft at 6:15AM Feb 23, 2017Observed: 6.23 ft at 6:30AM Feb 23, 2017Observed: 6.23 ft at 6:45AM Feb 23, 2017Observed: 6.22 ft at 7:00AM Feb 23, 2017Observed: 6.23 ft at 7:15AM Feb 23, 2017Observed: 6.23 ft at 7:30AM Feb 23, 2017Observed: 6.22 ft at 7:45AM Feb 23, 2017Observed: 6.22 ft at 8:00AM Feb 23, 2017Observed: 6.21 ft at 8:15AM Feb 23, 2017Observed: 6.22 ft at 8:30AM Feb 23, 2017Observed: 6.19 ft at 8:45AM Feb 23, 2017Observed: 6.21 ft at 9:00AM Feb 23, 2017Observed: 6.21 ft at 9:15AM Feb 23, 2017Observed: 6.2 ft at 9:30AM Feb 23, 2017Observed: 6.2 ft at 9:45AM Feb 23, 2017Observed: 6.18 ft at 10:00AM Feb 23, 2017Observed: 6.2 ft at 10:15AM Feb 23, 2017Observed: 6.18 ft at 10:30AM Feb 23, 2017Observed: 6.19 ft at 10:45AM Feb 23, 2017Observed: 6.18 ft at 11:00AM Feb 23, 2017Observed: 6.19 ft at 11:15AM Feb 23, 2017Observed: 6.17 ft at 11:30AM Feb 23, 2017Observed: 6.18 ft at 11:45AM Feb 23, 2017Observed: 6.17 ft at 12:00PM Feb 23, 2017Observed: 6.16 ft at 12:15PM Feb 23, 2017Observed: 6.17 ft at 12:30PM Feb 23, 2017Observed: 6.17 ft at 12:45PM Feb 23, 2017Observed: 6.15 ft at 1:00PM Feb 23, 2017Observed: 6.16 ft at 1:15PM Feb 23, 2017Observed: 6.16 ft at 1:30PM Feb 23, 2017Observed: 6.16 ft at 1:45PM Feb 23, 2017Observed: 6.15 ft at 2:00PM Feb 23, 2017Observed: 6.16 ft at 2:15PM Feb 23, 2017Observed: 6.14 ft at 2:30PM Feb 23, 2017Observed: 6.14 ft at 2:45PM Feb 23, 2017Observed: 6.14 ft at 3:00PM Feb 23, 2017Observed: 6.14 ft at 3:15PM Feb 23, 2017Observed: 6.14 ft at 3:30PM Feb 23, 2017Observed: 6.13 ft at 3:45PM Feb 23, 2017Observed: 6.13 ft at 4:00PM Feb 23, 2017Observed: 6.12 ft at 4:15PM Feb 23, 2017Observed: 6.12 ft at 4:30PM Feb 23, 2017Observed: 6.12 ft at 4:45PM Feb 23, 2017Observed: 6.11 ft at 5:00PM Feb 23, 2017Observed: 6.11 ft at 5:15PM Feb 23, 2017Observed: 6.11 ft at 5:30PM Feb 23, 2017Observed: 6.1 ft at 5:45PM Feb 23, 2017Observed: 6.1 ft at 6:00PM Feb 23, 2017Observed: 6.11 ft at 6:15PM Feb 23, 2017Observed: 6.09 ft at 6:30PM Feb 23, 2017Observed: 6.1 ft at 6:45PM Feb 23, 2017Observed: 6.1 ft at 7:00PM Feb 23, 2017Observed: 6.09 ft at 7:15PM Feb 23, 2017Observed: 6.09 ft at 7:30PM Feb 23, 2017Observed: 6.09 ft at 7:45PM Feb 23, 2017Observed: 6.09 ft at 8:00PM Feb 23, 2017Observed: 6.08 ft at 8:15PM Feb 23, 2017Observed: 6.09 ft at 8:30PM Feb 23, 2017Observed: 6.08 ft at 8:45PM Feb 23, 2017Observed: 6.08 ft at 9:00PM Feb 23, 2017Observed: 6.08 ft at 9:15PM Feb 23, 2017Observed: 6.09 ft at 9:30PM Feb 23, 2017Observed: 6.08 ft at 9:45PM Feb 23, 2017Observed: 6.08 ft at 10:00PM Feb 23, 2017Observed: 6.09 ft at 10:15PM Feb 23, 2017Observed: 6.09 ft at 10:30PM Feb 23, 2017Observed: 6.09 ft at 10:45PM Feb 23, 2017Observed: 6.1 ft at 11:00PM Feb 23, 2017Observed: 6.09 ft at 11:15PM Feb 23, 2017Observed: 6.08 ft at 11:30PM Feb 23, 2017Observed: 6.09 ft at 11:45PM Feb 23, 2017Observed: 6.07 ft at 12:00AM Feb 24, 2017Observed: 6.06 ft at 12:15AM Feb 24, 2017Observed: 6.07 ft at 12:30AM Feb 24, 2017Observed: 6.07 ft at 12:45AM Feb 24, 2017Observed: 6.07 ft at 1:00AM Feb 24, 2017Observed: 6.05 ft at 1:15AM Feb 24, 2017Observed: 6.06 ft at 1:30AM Feb 24, 2017Observed: 6.07 ft at 1:45AM Feb 24, 2017Observed: 6.07 ft at 2:00AM Feb 24, 2017Observed: 6.07 ft at 2:15AM Feb 24, 2017Observed: 6.07 ft at 2:30AM Feb 24, 2017Observed: 6.07 ft at 2:45AM Feb 24, 2017Observed: 6.06 ft at 3:00AM Feb 24, 2017Observed: 6.07 ft at 3:15AM Feb 24, 2017Observed: 6.06 ft at 3:30AM Feb 24, 2017Observed: 6.05 ft at 3:45AM Feb 24, 2017Observed: 6.04 ft at 4:00AM Feb 24, 2017Observed: 6.04 ft at 4:15AM Feb 24, 2017Observed: 6.04 ft at 4:30AM Feb 24, 2017Observed: 6.03 ft at 4:45AM Feb 24, 2017Observed: 6.03 ft at 5:00AM Feb 24, 2017Observed: 6.01 ft at 5:15AM Feb 24, 2017Observed: 6.03 ft at 5:30AM Feb 24, 2017Observed: 6.01 ft at 5:45AM Feb 24, 2017Observed: 6.01 ft at 6:00AM Feb 24, 2017Observed: 6.01 ft at 6:15AM Feb 24, 2017Observed: 6 ft at 6:30AM Feb 24, 2017Observed: 5.99 ft at 6:45AM Feb 24, 2017Observed: 5.98 ft at 7:00AM Feb 24, 2017Observed: 5.98 ft at 7:15AM Feb 24, 2017Observed: 5.98 ft at 7:30AM Feb 24, 2017Observed: 5.96 ft at 7:45AM Feb 24, 2017Observed: 5.95 ft at 8:00AM Feb 24, 2017Observed: 5.94 ft at 8:15AM Feb 24, 2017Observed: 5.94 ft at 8:30AM Feb 24, 2017Observed: 5.93 ft at 8:45AM Feb 24, 2017Observed: 5.92 ft at 9:00AM Feb 24, 2017Observed: 5.92 ft at 9:15AM Feb 24, 2017Observed: 5.91 ft at 9:30AM Feb 24, 2017Observed: 5.88 ft at 9:45AM Feb 24, 2017Observed: 5.88 ft at 10:00AM Feb 24, 2017Observed: 5.88 ft at 10:15AM Feb 24, 2017Observed: 5.86 ft at 10:30AM Feb 24, 2017Observed: 5.85 ft at 10:45AM Feb 24, 2017Observed: 5.85 ft at 11:00AM Feb 24, 2017Observed: 5.84 ft at 11:15AM Feb 24, 2017Observed: 5.82 ft at 11:30AM Feb 24, 2017Observed: 5.82 ft at 11:45AM Feb 24, 2017Observed: 5.8 ft at 12:00PM Feb 24, 2017Observed: 5.82 ft at 12:15PM Feb 24, 2017Observed: 5.81 ft at 12:30PM Feb 24, 2017Observed: 5.81 ft at 12:45PM Feb 24, 2017Observed: 5.79 ft at 1:00PM Feb 24, 2017Observed: 5.79 ft at 1:15PM Feb 24, 2017Observed: 5.79 ft at 1:30PM Feb 24, 2017Observed: 5.78 ft at 1:45PM Feb 24, 2017Observed: 5.79 ft at 2:00PM Feb 24, 2017Observed: 5.77 ft at 2:15PM Feb 24, 2017Observed: 5.78 ft at 2:30PM Feb 24, 2017Observed: 5.77 ft at 2:45PM Feb 24, 2017Observed: 5.77 ft at 3:00PM Feb 24, 2017Observed: 5.76 ft at 3:15PM Feb 24, 2017Observed: 5.76 ft at 3:30PM Feb 24, 2017Observed: 5.78 ft at 3:45PM Feb 24, 2017Observed: 5.77 ft at 4:00PM Feb 24, 2017Observed: 5.78 ft at 4:15PM Feb 24, 2017Observed: 5.78 ft at 4:30PM Feb 24, 2017Observed: 5.78 ft at 4:45PM Feb 24, 2017Observed: 5.78 ft at 5:00PM Feb 24, 2017Observed: 5.79 ft at 5:15PM Feb 24, 2017Observed: 5.78 ft at 5:30PM Feb 24, 2017Observed: 5.78 ft at 5:45PM Feb 24, 2017Observed: 5.78 ft at 6:00PM Feb 24, 2017Observed: 5.79 ft at 6:15PM Feb 24, 2017Observed: 5.78 ft at 6:30PM Feb 24, 2017Observed: 5.79 ft at 6:45PM Feb 24, 2017Observed: 5.79 ft at 7:00PM Feb 24, 2017Observed: 5.79 ft at 7:15PM Feb 24, 2017Observed: 5.8 ft at 7:30PM Feb 24, 2017Observed: 5.8 ft at 7:45PM Feb 24, 2017Observed: 5.8 ft at 8:00PM Feb 24, 2017Observed: 5.8 ft at 8:15PM Feb 24, 2017Observed: 5.79 ft at 8:30PM Feb 24, 2017Observed: 5.79 ft at 8:45PM Feb 24, 2017Observed: 5.79 ft at 9:00PM Feb 24, 2017Observed: 5.8 ft at 9:15PM Feb 24, 2017Observed: 5.78 ft at 9:30PM Feb 24, 2017Observed: 5.79 ft at 9:45PM Feb 24, 2017Observed: 5.79 ft at 10:00PM Feb 24, 2017Observed: 5.79 ft at 10:15PM Feb 24, 2017Observed: 5.78 ft at 10:30PM Feb 24, 2017Observed: 5.78 ft at 10:45PM Feb 24, 2017Observed: 5.77 ft at 11:00PM Feb 24, 2017Observed: 5.77 ft at 11:15PM Feb 24, 2017Observed: 5.77 ft at 11:30PM Feb 24, 2017Observed: 5.76 ft at 11:45PM Feb 24, 2017Observed: 5.76 ft at 12:00AM Feb 25, 2017Observed: 5.76 ft at 12:15AM Feb 25, 2017Observed: 5.76 ft at 12:30AM Feb 25, 2017Observed: 5.75 ft at 12:45AM Feb 25, 2017Observed: 5.75 ft at 1:00AM Feb 25, 2017Observed: 5.75 ft at 1:15AM Feb 25, 2017Observed: 5.74 ft at 1:30AM Feb 25, 2017Observed: 5.74 ft at 1:45AM Feb 25, 2017Observed: 5.74 ft at 2:00AM Feb 25, 2017Observed: 5.73 ft at 2:15AM Feb 25, 2017Observed: 5.73 ft at 2:30AM Feb 25, 2017Observed: 5.72 ft at 2:45AM Feb 25, 2017Observed: 5.73 ft at 3:00AM Feb 25, 2017Observed: 5.72 ft at 3:15AM Feb 25, 2017Observed: 5.72 ft at 3:30AM Feb 25, 2017Observed: 5.71 ft at 3:45AM Feb 25, 2017Observed: 5.71 ft at 4:00AM Feb 25, 2017Observed: 5.7 ft at 4:15AM Feb 25, 2017Observed: 5.7 ft at 4:30AM Feb 25, 2017Observed: 5.7 ft at 4:45AM Feb 25, 2017Observed: 5.69 ft at 5:00AM Feb 25, 2017Observed: 5.69 ft at 5:15AM Feb 25, 2017Observed: 5.68 ft at 5:30AM Feb 25, 2017Observed: 5.68 ft at 5:45AM Feb 25, 2017Observed: 5.67 ft at 6:00AM Feb 25, 2017Observed: 5.68 ft at 6:15AM Feb 25, 2017Observed: 5.67 ft at 6:30AM Feb 25, 2017Observed: 5.66 ft at 6:45AM Feb 25, 2017Observed: 5.65 ft at 7:00AM Feb 25, 2017Observed: 5.63 ft at 7:15AM Feb 25, 2017Observed: 5.61 ft at 7:30AM Feb 25, 2017Observed: 5.6 ft at 7:45AM Feb 25, 2017Observed: 5.59 ft at 8:00AM Feb 25, 2017Observed: 5.59 ft at 8:15AM Feb 25, 2017Observed: 5.58 ft at 8:30AM Feb 25, 2017Observed: 5.58 ft at 8:45AM Feb 25, 2017Observed: 5.58 ft at 9:00AM Feb 25, 2017Observed: 5.57 ft at 9:15AM Feb 25, 2017Observed: 5.58 ft at 9:30AM Feb 25, 2017Observed: 5.58 ft at 9:45AM Feb 25, 2017Observed: 5.58 ft at 10:00AM Feb 25, 2017Observed: 5.59 ft at 10:15AM Feb 25, 2017Observed: 5.58 ft at 10:30AM Feb 25, 2017Observed: 5.59 ft at 10:45AM Feb 25, 2017Observed: 5.58 ft at 11:00AM Feb 25, 2017Observed: 5.58 ft at 11:15AM Feb 25, 2017Observed: 5.59 ft at 11:30AM Feb 25, 2017Observed: 5.59 ft at 11:45AM Feb 25, 2017Observed: 5.6 ft at 12:00PM Feb 25, 2017Observed: 5.61 ft at 12:15PM Feb 25, 2017Observed: 5.6 ft at 12:30PM Feb 25, 2017Observed: 5.6 ft at 12:45PM Feb 25, 2017Observed: 5.62 ft at 1:00PM Feb 25, 2017Observed: 5.61 ft at 1:15PM Feb 25, 2017Observed: 5.61 ft at 1:30PM Feb 25, 2017Observed: 5.62 ft at 1:45PM Feb 25, 2017Observed: 5.63 ft at 2:00PM Feb 25, 2017Observed: 5.63 ft at 2:15PM Feb 25, 2017Observed: 5.64 ft at 2:30PM Feb 25, 2017Observed: 5.65 ft at 2:45PM Feb 25, 2017Observed: 5.66 ft at 3:00PM Feb 25, 2017Observed: 5.67 ft at 3:15PM Feb 25, 2017Observed: 5.66 ft at 3:30PM Feb 25, 2017Observed: 5.66 ft at 3:45PM Feb 25, 2017Observed: 5.68 ft at 4:00PM Feb 25, 2017Observed: 5.68 ft at 4:15PM Feb 25, 2017Observed: 5.69 ft at 4:30PM Feb 25, 2017Highest Forecast: 5.7 ft 6:00PM Feb 25, 2017Forecast: 5.6 ft 12:00AM Feb 26, 2017Forecast: 5.6 ft 6:00AM Feb 26, 2017Forecast: 5.5 ft 12:00PM Feb 26, 2017Forecast: 5.5 ft 6:00PM Feb 26, 2017Forecast: 5.4 ft 12:00AM Feb 27, 2017Forecast: 5.4 ft 6:00AM Feb 27, 2017Forecast: 5.4 ft 12:00PM Feb 27, 2017Forecast: 5.3 ft 6:00PM Feb 27, 2017Forecast: 5.3 ft 12:00AM Feb 28, 2017Forecast: 5.3 ft 6:00AM Feb 28, 2017Forecast: 5.3 ft 12:00PM Feb 28, 2017Forecast: 5.2 ft 6:00PM Feb 28, 2017Forecast: 5.2 ft 12:00AM Mar 01, 2017Forecast: 5.2 ft 6:00AM Mar 01, 2017Forecast: 5.2 ft 12:00PM Mar 01, 2017Forecast: 5.1 ft 6:00PM Mar 01, 2017Forecast: 5.1 ft 12:00AM Mar 02, 2017Forecast: 5.1 ft 6:00AM Mar 02, 2017Forecast: 5.1 ft 12:00PM Mar 02, 2017Forecast: 5 ft 6:00PM Mar 02, 2017Forecast: 5 ft 12:00AM Mar 03, 2017Forecast: 5 ft 6:00AM Mar 03, 2017Forecast: 5 ft 12:00PM Mar 03, 2017Forecast: 5 ft 6:00PM Mar 03, 2017USGS--Water Resources of the United StatesMCWI4(plotting HGIRG) Graph Created (5:02PM Feb 25, 2017)ObservedForecast (issued 9:57PM Feb 24)Latest observed value: 5.69 ft at 4:30 PM CST 25-Feb-2017. Flood Stage is 10 ft
Flood Impacts

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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): -9999

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) 14.07 ft on 09/22/2016
(6) 13.70 ft on 04/06/1965
(7) 13.06 ft on 08/31/1962
(8) 12.59 ft on 04/01/1993
(9) 12.44 ft on 04/07/1951
(10) 12.30 ft on 05/23/2004
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 14.07 ft on 09/22/2016
(2) 8.82 ft on 09/16/2016
(3) 7.82 ft on 09/10/2016
(4) 9.65 ft on 09/07/2016
(5) 9.29 ft on 08/24/2016
(6) 8.64 ft on 07/17/2016
(7) 7.25 ft on 06/15/2016
(8) 7.85 ft on 06/11/2016
(9) 6.66 ft on 02/23/2016
(10) 6.67 ft on 12/15/2015
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 2.68 ft on 10/01/1988
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
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Page last modified: 21-Dec-2016 5:20 PM
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