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

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Flood Stage: 10 Feet
Latest Stage: 4.2
Current Warnings/Statements/Advisories:Special Weather Statement
at Mason City
Stage (ft)Flow (cfs)Observed: 4.71 ft at 2:15AM Jul 02, 2015Highest Observation: 4.73 ft at 2:30AM Jul 02, 2015Observed: 4.72 ft at 2:45AM Jul 02, 2015Observed: 4.71 ft at 3:00AM Jul 02, 2015Observed: 4.72 ft at 3:15AM Jul 02, 2015Observed: 4.72 ft at 3:30AM Jul 02, 2015Observed: 4.72 ft at 3:45AM Jul 02, 2015Observed: 4.7 ft at 4:00AM Jul 02, 2015Observed: 4.71 ft at 4:15AM Jul 02, 2015Observed: 4.71 ft at 4:30AM Jul 02, 2015Observed: 4.7 ft at 4:45AM Jul 02, 2015Observed: 4.7 ft at 5:00AM Jul 02, 2015Observed: 4.71 ft at 5:15AM Jul 02, 2015Observed: 4.7 ft at 5:30AM Jul 02, 2015Observed: 4.7 ft at 5:45AM Jul 02, 2015Observed: 4.71 ft at 6:00AM Jul 02, 2015Observed: 4.68 ft at 6:15AM Jul 02, 2015Observed: 4.7 ft at 6:30AM Jul 02, 2015Observed: 4.7 ft at 6:45AM Jul 02, 2015Observed: 4.7 ft at 7:00AM Jul 02, 2015Observed: 4.69 ft at 7:15AM Jul 02, 2015Observed: 4.69 ft at 7:30AM Jul 02, 2015Observed: 4.68 ft at 7:45AM Jul 02, 2015Observed: 4.68 ft at 8:00AM Jul 02, 2015Observed: 4.68 ft at 8:15AM Jul 02, 2015Observed: 4.68 ft at 8:30AM Jul 02, 2015Observed: 4.67 ft at 8:45AM Jul 02, 2015Observed: 4.69 ft at 9:00AM Jul 02, 2015Observed: 4.69 ft at 9:15AM Jul 02, 2015Observed: 4.68 ft at 9:30AM Jul 02, 2015Observed: 4.68 ft at 9:45AM Jul 02, 2015Observed: 4.68 ft at 10:00AM Jul 02, 2015Observed: 4.67 ft at 10:15AM Jul 02, 2015Observed: 4.68 ft at 10:30AM Jul 02, 2015Observed: 4.68 ft at 10:45AM Jul 02, 2015Observed: 4.67 ft at 11:00AM Jul 02, 2015Observed: 4.67 ft at 11:15AM Jul 02, 2015Observed: 4.67 ft at 11:30AM Jul 02, 2015Observed: 4.67 ft at 11:45AM Jul 02, 2015Observed: 4.67 ft at 12:00PM Jul 02, 2015Observed: 4.67 ft at 12:15PM Jul 02, 2015Observed: 4.67 ft at 12:30PM Jul 02, 2015Observed: 4.67 ft at 12:45PM Jul 02, 2015Observed: 4.66 ft at 1:00PM Jul 02, 2015Observed: 4.67 ft at 1:15PM Jul 02, 2015Observed: 4.66 ft at 1:30PM Jul 02, 2015Observed: 4.66 ft at 1:45PM Jul 02, 2015Observed: 4.66 ft at 2:00PM Jul 02, 2015Observed: 4.65 ft at 2:15PM Jul 02, 2015Observed: 4.66 ft at 2:30PM Jul 02, 2015Observed: 4.65 ft at 2:45PM Jul 02, 2015Observed: 4.66 ft at 3:00PM Jul 02, 2015Observed: 4.65 ft at 3:15PM Jul 02, 2015Observed: 4.65 ft at 3:30PM Jul 02, 2015Observed: 4.65 ft at 3:45PM Jul 02, 2015Observed: 4.65 ft at 4:00PM Jul 02, 2015Observed: 4.65 ft at 4:15PM Jul 02, 2015Observed: 4.63 ft at 4:30PM Jul 02, 2015Observed: 4.63 ft at 4:45PM Jul 02, 2015Observed: 4.64 ft at 5:00PM Jul 02, 2015Observed: 4.64 ft at 5:15PM Jul 02, 2015Observed: 4.65 ft at 5:30PM Jul 02, 2015Observed: 4.64 ft at 5:45PM Jul 02, 2015Observed: 4.63 ft at 6:00PM Jul 02, 2015Observed: 4.63 ft at 6:15PM Jul 02, 2015Observed: 4.63 ft at 6:30PM Jul 02, 2015Observed: 4.63 ft at 6:45PM Jul 02, 2015Observed: 4.62 ft at 7:00PM Jul 02, 2015Observed: 4.62 ft at 7:15PM Jul 02, 2015Observed: 4.63 ft at 7:30PM Jul 02, 2015Observed: 4.63 ft at 7:45PM Jul 02, 2015Observed: 4.62 ft at 8:00PM Jul 02, 2015Observed: 4.62 ft at 8:15PM Jul 02, 2015Observed: 4.62 ft at 8:30PM Jul 02, 2015Observed: 4.61 ft at 8:45PM Jul 02, 2015Observed: 4.61 ft at 9:00PM Jul 02, 2015Observed: 4.61 ft at 9:15PM Jul 02, 2015Observed: 4.62 ft at 9:30PM Jul 02, 2015Observed: 4.61 ft at 9:45PM Jul 02, 2015Observed: 4.6 ft at 10:00PM Jul 02, 2015Observed: 4.61 ft at 10:15PM Jul 02, 2015Observed: 4.61 ft at 10:30PM Jul 02, 2015Observed: 4.6 ft at 10:45PM Jul 02, 2015Observed: 4.59 ft at 11:00PM Jul 02, 2015Observed: 4.6 ft at 11:15PM Jul 02, 2015Observed: 4.6 ft at 11:30PM Jul 02, 2015Observed: 4.58 ft at 11:45PM Jul 02, 2015Observed: 4.59 ft at 12:00AM Jul 03, 2015Observed: 4.6 ft at 12:15AM Jul 03, 2015Observed: 4.6 ft at 12:30AM Jul 03, 2015Observed: 4.58 ft at 12:45AM Jul 03, 2015Observed: 4.59 ft at 1:00AM Jul 03, 2015Observed: 4.58 ft at 1:15AM Jul 03, 2015Observed: 4.59 ft at 1:30AM Jul 03, 2015Observed: 4.59 ft at 1:45AM Jul 03, 2015Observed: 4.58 ft at 2:00AM Jul 03, 2015Observed: 4.58 ft at 2:15AM Jul 03, 2015Observed: 4.59 ft at 2:30AM Jul 03, 2015Observed: 4.58 ft at 2:45AM Jul 03, 2015Observed: 4.57 ft at 3:00AM Jul 03, 2015Observed: 4.57 ft at 3:15AM Jul 03, 2015Observed: 4.57 ft at 3:30AM Jul 03, 2015Observed: 4.58 ft at 3:45AM Jul 03, 2015Observed: 4.57 ft at 4:00AM Jul 03, 2015Observed: 4.57 ft at 4:15AM Jul 03, 2015Observed: 4.56 ft at 4:30AM Jul 03, 2015Observed: 4.56 ft at 4:45AM Jul 03, 2015Observed: 4.56 ft at 5:00AM Jul 03, 2015Observed: 4.57 ft at 5:15AM Jul 03, 2015Observed: 4.57 ft at 5:30AM Jul 03, 2015Observed: 4.56 ft at 5:45AM Jul 03, 2015Observed: 4.55 ft at 6:00AM Jul 03, 2015Observed: 4.55 ft at 6:15AM Jul 03, 2015Observed: 4.55 ft at 6:30AM Jul 03, 2015Observed: 4.56 ft at 6:45AM Jul 03, 2015Observed: 4.56 ft at 7:00AM Jul 03, 2015Observed: 4.55 ft at 7:15AM Jul 03, 2015Observed: 4.55 ft at 7:30AM Jul 03, 2015Observed: 4.54 ft at 7:45AM Jul 03, 2015Observed: 4.55 ft at 8:00AM Jul 03, 2015Observed: 4.54 ft at 8:15AM Jul 03, 2015Observed: 4.54 ft at 8:30AM Jul 03, 2015Observed: 4.55 ft at 8:45AM Jul 03, 2015Observed: 4.55 ft at 9:00AM Jul 03, 2015Observed: 4.53 ft at 9:15AM Jul 03, 2015Observed: 4.54 ft at 9:30AM Jul 03, 2015Observed: 4.54 ft at 9:45AM Jul 03, 2015Observed: 4.54 ft at 10:00AM Jul 03, 2015Observed: 4.55 ft at 10:15AM Jul 03, 2015Observed: 4.53 ft at 10:30AM Jul 03, 2015Observed: 4.54 ft at 10:45AM Jul 03, 2015Observed: 4.54 ft at 11:00AM Jul 03, 2015Observed: 4.54 ft at 11:15AM Jul 03, 2015Observed: 4.54 ft at 11:30AM Jul 03, 2015Observed: 4.54 ft at 11:45AM Jul 03, 2015Observed: 4.53 ft at 12:00PM Jul 03, 2015Observed: 4.53 ft at 12:15PM Jul 03, 2015Observed: 4.53 ft at 12:30PM Jul 03, 2015Observed: 4.53 ft at 12:45PM Jul 03, 2015Observed: 4.52 ft at 1:00PM Jul 03, 2015Observed: 4.53 ft at 1:15PM Jul 03, 2015Observed: 4.52 ft at 1:30PM Jul 03, 2015Observed: 4.52 ft at 1:45PM Jul 03, 2015Observed: 4.52 ft at 2:00PM Jul 03, 2015Observed: 4.52 ft at 2:15PM Jul 03, 2015Observed: 4.52 ft at 2:30PM Jul 03, 2015Observed: 4.52 ft at 2:45PM Jul 03, 2015Observed: 4.52 ft at 3:00PM Jul 03, 2015Observed: 4.51 ft at 3:15PM Jul 03, 2015Observed: 4.51 ft at 3:30PM Jul 03, 2015Observed: 4.51 ft at 3:45PM Jul 03, 2015Observed: 4.51 ft at 4:00PM Jul 03, 2015Observed: 4.51 ft at 4:15PM Jul 03, 2015Observed: 4.5 ft at 4:30PM Jul 03, 2015Observed: 4.5 ft at 4:45PM Jul 03, 2015Observed: 4.51 ft at 5:00PM Jul 03, 2015Observed: 4.5 ft at 5:15PM Jul 03, 2015Observed: 4.5 ft at 5:30PM Jul 03, 2015Observed: 4.49 ft at 5:45PM Jul 03, 2015Observed: 4.5 ft at 6:00PM Jul 03, 2015Observed: 4.49 ft at 6:15PM Jul 03, 2015Observed: 4.48 ft at 6:30PM Jul 03, 2015Observed: 4.48 ft at 6:45PM Jul 03, 2015Observed: 4.5 ft at 7:00PM Jul 03, 2015Observed: 4.49 ft at 7:15PM Jul 03, 2015Observed: 4.49 ft at 7:30PM Jul 03, 2015Observed: 4.49 ft at 7:45PM Jul 03, 2015Observed: 4.48 ft at 8:00PM Jul 03, 2015Observed: 4.48 ft at 8:15PM Jul 03, 2015Observed: 4.49 ft at 8:30PM Jul 03, 2015Observed: 4.49 ft at 8:45PM Jul 03, 2015Observed: 4.48 ft at 9:00PM Jul 03, 2015Observed: 4.48 ft at 9:15PM Jul 03, 2015Observed: 4.48 ft at 9:30PM Jul 03, 2015Observed: 4.47 ft at 9:45PM Jul 03, 2015Observed: 4.46 ft at 10:00PM Jul 03, 2015Observed: 4.47 ft at 10:15PM Jul 03, 2015Observed: 4.47 ft at 10:30PM Jul 03, 2015Observed: 4.47 ft at 10:45PM Jul 03, 2015Observed: 4.47 ft at 11:00PM Jul 03, 2015Observed: 4.47 ft at 11:15PM Jul 03, 2015Observed: 4.47 ft at 11:30PM Jul 03, 2015Observed: 4.46 ft at 11:45PM Jul 03, 2015Observed: 4.47 ft at 12:00AM Jul 04, 2015Observed: 4.46 ft at 12:15AM Jul 04, 2015Observed: 4.46 ft at 12:30AM Jul 04, 2015Observed: 4.46 ft at 12:45AM Jul 04, 2015Observed: 4.46 ft at 1:00AM Jul 04, 2015Observed: 4.46 ft at 1:15AM Jul 04, 2015Observed: 4.46 ft at 1:30AM Jul 04, 2015Observed: 4.45 ft at 1:45AM Jul 04, 2015Observed: 4.45 ft at 2:00AM Jul 04, 2015Observed: 4.44 ft at 2:15AM Jul 04, 2015Observed: 4.45 ft at 2:30AM Jul 04, 2015Observed: 4.44 ft at 2:45AM Jul 04, 2015Observed: 4.43 ft at 3:00AM Jul 04, 2015Observed: 4.44 ft at 3:15AM Jul 04, 2015Observed: 4.44 ft at 3:30AM Jul 04, 2015Observed: 4.44 ft at 3:45AM Jul 04, 2015Observed: 4.44 ft at 4:00AM Jul 04, 2015Observed: 4.44 ft at 4:15AM Jul 04, 2015Observed: 4.44 ft at 4:30AM Jul 04, 2015Observed: 4.43 ft at 4:45AM Jul 04, 2015Observed: 4.44 ft at 5:00AM Jul 04, 2015Observed: 4.44 ft at 5:15AM Jul 04, 2015Observed: 4.43 ft at 5:30AM Jul 04, 2015Observed: 4.42 ft at 5:45AM Jul 04, 2015Observed: 4.43 ft at 6:00AM Jul 04, 2015Observed: 4.43 ft at 6:15AM Jul 04, 2015Observed: 4.42 ft at 6:30AM Jul 04, 2015Observed: 4.43 ft at 6:45AM Jul 04, 2015Observed: 4.43 ft at 7:00AM Jul 04, 2015Observed: 4.42 ft at 7:15AM Jul 04, 2015Observed: 4.43 ft at 7:30AM Jul 04, 2015Observed: 4.42 ft at 7:45AM Jul 04, 2015Observed: 4.42 ft at 8:00AM Jul 04, 2015Observed: 4.42 ft at 8:15AM Jul 04, 2015Observed: 4.42 ft at 8:30AM Jul 04, 2015Observed: 4.41 ft at 8:45AM Jul 04, 2015Observed: 4.4 ft at 9:00AM Jul 04, 2015Observed: 4.42 ft at 9:15AM Jul 04, 2015Observed: 4.41 ft at 9:30AM Jul 04, 2015Observed: 4.41 ft at 9:45AM Jul 04, 2015Observed: 4.41 ft at 10:00AM Jul 04, 2015Observed: 4.41 ft at 10:15AM Jul 04, 2015Observed: 4.41 ft at 10:30AM Jul 04, 2015Observed: 4.4 ft at 10:45AM Jul 04, 2015Observed: 4.4 ft at 11:00AM Jul 04, 2015Observed: 4.41 ft at 11:15AM Jul 04, 2015Observed: 4.4 ft at 11:30AM Jul 04, 2015Observed: 4.4 ft at 11:45AM Jul 04, 2015Observed: 4.41 ft at 12:00PM Jul 04, 2015Observed: 4.4 ft at 12:15PM Jul 04, 2015Observed: 4.4 ft at 12:30PM Jul 04, 2015Observed: 4.4 ft at 12:45PM Jul 04, 2015Observed: 4.4 ft at 1:00PM Jul 04, 2015Observed: 4.39 ft at 1:15PM Jul 04, 2015Observed: 4.39 ft at 1:30PM Jul 04, 2015Observed: 4.4 ft at 1:45PM Jul 04, 2015Observed: 4.4 ft at 2:00PM Jul 04, 2015Observed: 4.39 ft at 2:15PM Jul 04, 2015Observed: 4.4 ft at 2:30PM Jul 04, 2015Observed: 4.39 ft at 2:45PM Jul 04, 2015Observed: 4.39 ft at 3:00PM Jul 04, 2015Observed: 4.39 ft at 3:15PM Jul 04, 2015Observed: 4.39 ft at 3:30PM Jul 04, 2015Observed: 4.38 ft at 3:45PM Jul 04, 2015Observed: 4.39 ft at 4:00PM Jul 04, 2015Observed: 4.38 ft at 4:15PM Jul 04, 2015Observed: 4.38 ft at 4:30PM Jul 04, 2015Observed: 4.37 ft at 4:45PM Jul 04, 2015Observed: 4.38 ft at 5:00PM Jul 04, 2015Observed: 4.37 ft at 5:15PM Jul 04, 2015Observed: 4.38 ft at 5:30PM Jul 04, 2015Observed: 4.38 ft at 5:45PM Jul 04, 2015Observed: 4.38 ft at 6:00PM Jul 04, 2015Observed: 4.37 ft at 6:15PM Jul 04, 2015Observed: 4.37 ft at 6:30PM Jul 04, 2015Observed: 4.37 ft at 6:45PM Jul 04, 2015Observed: 4.37 ft at 7:00PM Jul 04, 2015Observed: 4.36 ft at 7:15PM Jul 04, 2015Observed: 4.36 ft at 7:30PM Jul 04, 2015Observed: 4.37 ft at 7:45PM Jul 04, 2015Observed: 4.35 ft at 8:00PM Jul 04, 2015Observed: 4.36 ft at 8:15PM Jul 04, 2015Observed: 4.36 ft at 8:30PM Jul 04, 2015Observed: 4.37 ft at 8:45PM Jul 04, 2015Observed: 4.36 ft at 9:00PM Jul 04, 2015Observed: 4.36 ft at 9:15PM Jul 04, 2015Observed: 4.36 ft at 9:30PM Jul 04, 2015Observed: 4.35 ft at 9:45PM Jul 04, 2015Observed: 4.34 ft at 10:00PM Jul 04, 2015Observed: 4.35 ft at 10:15PM Jul 04, 2015Observed: 4.35 ft at 10:30PM Jul 04, 2015Observed: 4.35 ft at 10:45PM Jul 04, 2015Observed: 4.34 ft at 11:00PM Jul 04, 2015Observed: 4.34 ft at 11:15PM Jul 04, 2015Observed: 4.33 ft at 11:30PM Jul 04, 2015Observed: 4.35 ft at 11:45PM Jul 04, 2015Observed: 4.34 ft at 12:00AM Jul 05, 2015Observed: 4.34 ft at 12:15AM Jul 05, 2015Observed: 4.34 ft at 12:30AM Jul 05, 2015Observed: 4.33 ft at 12:45AM Jul 05, 2015Observed: 4.33 ft at 1:00AM Jul 05, 2015Observed: 4.34 ft at 1:15AM Jul 05, 2015Observed: 4.33 ft at 1:30AM Jul 05, 2015Observed: 4.33 ft at 1:45AM Jul 05, 2015Observed: 4.33 ft at 2:00AM Jul 05, 2015Observed: 4.32 ft at 2:15AM Jul 05, 2015Observed: 4.32 ft at 2:30AM Jul 05, 2015Observed: 4.33 ft at 2:45AM Jul 05, 2015Observed: 4.33 ft at 3:00AM Jul 05, 2015Observed: 4.33 ft at 3:15AM Jul 05, 2015Observed: 4.32 ft at 3:30AM Jul 05, 2015Observed: 4.32 ft at 4:00AM Jul 05, 2015Observed: 4.32 ft at 4:15AM Jul 05, 2015Observed: 4.32 ft at 4:30AM Jul 05, 2015Observed: 4.31 ft at 4:45AM Jul 05, 2015Observed: 4.31 ft at 5:00AM Jul 05, 2015Observed: 4.3 ft at 5:15AM Jul 05, 2015Observed: 4.31 ft at 5:30AM Jul 05, 2015Observed: 4.31 ft at 5:45AM Jul 05, 2015Observed: 4.31 ft at 6:00AM Jul 05, 2015Observed: 4.3 ft at 6:15AM Jul 05, 2015Observed: 4.3 ft at 6:30AM Jul 05, 2015Observed: 4.3 ft at 6:45AM Jul 05, 2015Observed: 4.31 ft at 7:00AM Jul 05, 2015Observed: 4.3 ft at 7:15AM Jul 05, 2015Observed: 4.3 ft at 7:30AM Jul 05, 2015Observed: 4.3 ft at 7:45AM Jul 05, 2015Observed: 4.3 ft at 8:00AM Jul 05, 2015Observed: 4.3 ft at 8:15AM Jul 05, 2015Observed: 4.3 ft at 8:30AM Jul 05, 2015Observed: 4.29 ft at 8:45AM Jul 05, 2015Observed: 4.3 ft at 9:00AM Jul 05, 2015Observed: 4.3 ft at 9:15AM Jul 05, 2015Observed: 4.3 ft at 9:30AM Jul 05, 2015Observed: 4.29 ft at 9:45AM Jul 05, 2015Observed: 4.3 ft at 10:00AM Jul 05, 2015Observed: 4.29 ft at 10:15AM Jul 05, 2015Observed: 4.3 ft at 10:30AM Jul 05, 2015Observed: 4.29 ft at 10:45AM Jul 05, 2015Observed: 4.3 ft at 11:00AM Jul 05, 2015Observed: 4.29 ft at 11:15AM Jul 05, 2015Observed: 4.28 ft at 11:30AM Jul 05, 2015Observed: 4.28 ft at 11:45AM Jul 05, 2015Observed: 4.29 ft at 12:00PM Jul 05, 2015Observed: 4.28 ft at 12:15PM Jul 05, 2015Observed: 4.29 ft at 12:30PM Jul 05, 2015Observed: 4.29 ft at 12:45PM Jul 05, 2015Observed: 4.28 ft at 1:00PM Jul 05, 2015Observed: 4.28 ft at 1:15PM Jul 05, 2015Observed: 4.27 ft at 1:30PM Jul 05, 2015Observed: 4.28 ft at 1:45PM Jul 05, 2015Observed: 4.28 ft at 2:00PM Jul 05, 2015Observed: 4.28 ft at 2:15PM Jul 05, 2015Observed: 4.28 ft at 2:30PM Jul 05, 2015Observed: 4.28 ft at 2:45PM Jul 05, 2015Observed: 4.28 ft at 3:00PM Jul 05, 2015Observed: 4.28 ft at 3:15PM Jul 05, 2015Observed: 4.28 ft at 3:30PM Jul 05, 2015Observed: 4.27 ft at 3:45PM Jul 05, 2015Observed: 4.28 ft at 4:00PM Jul 05, 2015Observed: 4.28 ft at 4:15PM Jul 05, 2015Observed: 4.27 ft at 4:30PM Jul 05, 2015Observed: 4.27 ft at 4:45PM Jul 05, 2015Observed: 4.26 ft at 5:00PM Jul 05, 2015Observed: 4.27 ft at 5:15PM Jul 05, 2015Observed: 4.27 ft at 5:30PM Jul 05, 2015Observed: 4.27 ft at 5:45PM Jul 05, 2015Observed: 4.27 ft at 6:00PM Jul 05, 2015Observed: 4.27 ft at 6:15PM Jul 05, 2015Observed: 4.26 ft at 6:30PM Jul 05, 2015Observed: 4.25 ft at 6:45PM Jul 05, 2015Observed: 4.26 ft at 7:00PM Jul 05, 2015Observed: 4.26 ft at 7:15PM Jul 05, 2015Observed: 4.26 ft at 7:30PM Jul 05, 2015Observed: 4.26 ft at 7:45PM Jul 05, 2015Observed: 4.26 ft at 8:00PM Jul 05, 2015Observed: 4.26 ft at 8:15PM Jul 05, 2015Observed: 4.26 ft at 8:30PM Jul 05, 2015Observed: 4.26 ft at 8:45PM Jul 05, 2015Observed: 4.25 ft at 9:00PM Jul 05, 2015Observed: 4.25 ft at 9:15PM Jul 05, 2015Observed: 4.25 ft at 9:30PM Jul 05, 2015Observed: 4.25 ft at 9:45PM Jul 05, 2015Observed: 4.24 ft at 10:00PM Jul 05, 2015Observed: 4.25 ft at 10:15PM Jul 05, 2015Observed: 4.25 ft at 10:30PM Jul 05, 2015Observed: 4.25 ft at 10:45PM Jul 05, 2015Observed: 4.25 ft at 11:00PM Jul 05, 2015Observed: 4.24 ft at 11:15PM Jul 05, 2015Observed: 4.24 ft at 11:30PM Jul 05, 2015Observed: 4.24 ft at 11:45PM Jul 05, 2015Observed: 4.24 ft at 12:00AM Jul 06, 2015Observed: 4.24 ft at 12:15AM Jul 06, 2015Observed: 4.24 ft at 12:30AM Jul 06, 2015Observed: 4.24 ft at 12:45AM Jul 06, 2015Observed: 4.23 ft at 1:00AM Jul 06, 2015Observed: 4.23 ft at 1:15AM Jul 06, 2015Observed: 4.23 ft at 1:30AM Jul 06, 2015Observed: 4.24 ft at 1:45AM Jul 06, 2015Observed: 4.24 ft at 2:00AM Jul 06, 2015Observed: 4.23 ft at 2:15AM Jul 06, 2015Observed: 4.23 ft at 2:30AM Jul 06, 2015Observed: 4.23 ft at 2:45AM Jul 06, 2015Observed: 4.23 ft at 3:00AM Jul 06, 2015Observed: 4.23 ft at 3:15AM Jul 06, 2015Observed: 4.22 ft at 3:30AM Jul 06, 2015Observed: 4.22 ft at 3:45AM Jul 06, 2015Observed: 4.22 ft at 4:00AM Jul 06, 2015Observed: 4.21 ft at 4:15AM Jul 06, 2015Observed: 4.22 ft at 4:30AM Jul 06, 2015Observed: 4.22 ft at 4:45AM Jul 06, 2015Observed: 4.22 ft at 5:00AM Jul 06, 2015Observed: 4.21 ft at 5:15AM Jul 06, 2015Observed: 4.21 ft at 5:30AM Jul 06, 2015Observed: 4.22 ft at 5:45AM Jul 06, 2015Observed: 4.23 ft at 6:00AM Jul 06, 2015Observed: 4.23 ft at 6:15AM Jul 06, 2015Observed: 4.24 ft at 6:30AM Jul 06, 2015Observed: 4.23 ft at 6:45AM Jul 06, 2015Observed: 4.23 ft at 7:00AM Jul 06, 2015Observed: 4.23 ft at 7:15AM Jul 06, 2015Observed: 4.23 ft at 7:30AM Jul 06, 2015Observed: 4.24 ft at 7:45AM Jul 06, 2015Observed: 4.24 ft at 8:00AM Jul 06, 2015Observed: 4.24 ft at 8:15AM Jul 06, 2015Observed: 4.24 ft at 8:30AM Jul 06, 2015Observed: 4.24 ft at 8:45AM Jul 06, 2015Observed: 4.24 ft at 9:00AM Jul 06, 2015Observed: 4.25 ft at 9:15AM Jul 06, 2015Observed: 4.25 ft at 9:30AM Jul 06, 2015Observed: 4.25 ft at 9:45AM Jul 06, 2015Observed: 4.24 ft at 10:00AM Jul 06, 2015Observed: 4.25 ft at 10:15AM Jul 06, 2015Observed: 4.25 ft at 10:30AM Jul 06, 2015Observed: 4.25 ft at 10:45AM Jul 06, 2015Observed: 4.25 ft at 11:00AM Jul 06, 2015Observed: 4.25 ft at 11:15AM Jul 06, 2015Observed: 4.24 ft at 11:30AM Jul 06, 2015Observed: 4.23 ft at 11:45AM Jul 06, 2015Observed: 4.23 ft at 12:00PM Jul 06, 2015Observed: 4.24 ft at 12:15PM Jul 06, 2015Observed: 4.24 ft at 12:30PM Jul 06, 2015Observed: 4.23 ft at 12:45PM Jul 06, 2015Observed: 4.24 ft at 1:00PM Jul 06, 2015Observed: 4.24 ft at 1:15PM Jul 06, 2015Observed: 4.24 ft at 1:30PM Jul 06, 2015Observed: 4.24 ft at 1:45PM Jul 06, 2015Observed: 4.24 ft at 2:00PM Jul 06, 2015Observed: 4.24 ft at 2:15PM Jul 06, 2015Observed: 4.24 ft at 2:30PM Jul 06, 2015Observed: 4.24 ft at 2:45PM Jul 06, 2015Observed: 4.23 ft at 3:00PM Jul 06, 2015Observed: 4.24 ft at 3:15PM Jul 06, 2015Observed: 4.24 ft at 3:30PM Jul 06, 2015Observed: 4.23 ft at 3:45PM Jul 06, 2015Observed: 4.24 ft at 4:00PM Jul 06, 2015Observed: 4.22 ft at 4:15PM Jul 06, 2015Observed: 4.22 ft at 4:30PM Jul 06, 2015Observed: 4.22 ft at 4:45PM Jul 06, 2015Observed: 4.22 ft at 5:00PM Jul 06, 2015Observed: 4.23 ft at 5:15PM Jul 06, 2015Observed: 4.22 ft at 5:30PM Jul 06, 2015Observed: 4.24 ft at 5:45PM Jul 06, 2015Observed: 4.22 ft at 6:00PM Jul 06, 2015Observed: 4.23 ft at 6:15PM Jul 06, 2015Observed: 4.22 ft at 6:30PM Jul 06, 2015Observed: 4.22 ft at 6:45PM Jul 06, 2015Observed: 4.22 ft at 7:00PM Jul 06, 2015Observed: 4.21 ft at 7:15PM Jul 06, 2015Observed: 4.23 ft at 7:30PM Jul 06, 2015Observed: 4.22 ft at 7:45PM Jul 06, 2015Observed: 4.22 ft at 8:00PM Jul 06, 2015Observed: 4.21 ft at 8:15PM Jul 06, 2015Observed: 4.22 ft at 8:30PM Jul 06, 2015Observed: 4.21 ft at 8:45PM Jul 06, 2015Observed: 4.21 ft at 9:00PM Jul 06, 2015Observed: 4.21 ft at 9:15PM Jul 06, 2015Observed: 4.21 ft at 9:30PM Jul 06, 2015Observed: 4.21 ft at 9:45PM Jul 06, 2015Observed: 4.21 ft at 10:00PM Jul 06, 2015Observed: 4.21 ft at 10:15PM Jul 06, 2015Observed: 4.2 ft at 10:30PM Jul 06, 2015Observed: 4.21 ft at 10:45PM Jul 06, 2015Observed: 4.2 ft at 11:00PM Jul 06, 2015Observed: 4.2 ft at 11:15PM Jul 06, 2015Observed: 4.2 ft at 11:30PM Jul 06, 2015Observed: 4.2 ft at 11:45PM Jul 06, 2015Observed: 4.2 ft at 12:00AM Jul 07, 2015Observed: 4.2 ft at 12:15AM Jul 07, 2015Observed: 4.2 ft at 12:30AM Jul 07, 2015USGS--Water Resources of the United StatesMCWI4(plotting HGIRV) Graph Created (2:02AM Jul 7, 2015)ObservedLatest observed value: 4.2 ft at 12:30 AM CDT 7-Jul-2015. 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) 8.61 ft on 07/14/2013
(2) 8.07 ft on 06/25/2013
(3) 9.11 ft on 06/13/2013
(4) 7.18 ft on 06/09/2013
(5) 6.48 ft on 06/05/2013
(6) 8.90 ft on 05/28/2013
(7) 9.44 ft on 05/20/2013
(8) 6.94 ft on 05/06/2013
(9) 6.87 ft on 03/29/2013
(10) 8.32 ft on 03/10/2013
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
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Page last modified: 1-Jul-2015 6:29 PM
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