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

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Flood Stage: 10 Feet
Latest Stage: 4.14
Current Warnings/Statements/Advisories:None currently.
at Mason City
Stage (ft)Observed: 4.2 ft at 4:30PM Apr 30, 2015Observed: 4.2 ft at 4:45PM Apr 30, 2015Observed: 4.2 ft at 5:00PM Apr 30, 2015Observed: 4.2 ft at 5:15PM Apr 30, 2015Observed: 4.19 ft at 5:30PM Apr 30, 2015Observed: 4.2 ft at 5:45PM Apr 30, 2015Observed: 4.2 ft at 6:00PM Apr 30, 2015Observed: 4.19 ft at 6:15PM Apr 30, 2015Observed: 4.19 ft at 6:30PM Apr 30, 2015Observed: 4.2 ft at 6:45PM Apr 30, 2015Observed: 4.19 ft at 7:00PM Apr 30, 2015Observed: 4.2 ft at 7:15PM Apr 30, 2015Observed: 4.2 ft at 7:30PM Apr 30, 2015Observed: 4.2 ft at 7:45PM Apr 30, 2015Observed: 4.2 ft at 8:00PM Apr 30, 2015Observed: 4.2 ft at 8:15PM Apr 30, 2015Observed: 4.21 ft at 8:30PM Apr 30, 2015Observed: 4.2 ft at 8:45PM Apr 30, 2015Observed: 4.2 ft at 9:00PM Apr 30, 2015Observed: 4.2 ft at 9:15PM Apr 30, 2015Observed: 4.2 ft at 9:30PM Apr 30, 2015Observed: 4.19 ft at 9:45PM Apr 30, 2015Observed: 4.19 ft at 10:00PM Apr 30, 2015Observed: 4.18 ft at 10:15PM Apr 30, 2015Observed: 4.19 ft at 10:30PM Apr 30, 2015Observed: 4.19 ft at 10:45PM Apr 30, 2015Observed: 4.18 ft at 11:00PM Apr 30, 2015Observed: 4.19 ft at 11:15PM Apr 30, 2015Observed: 4.19 ft at 11:30PM Apr 30, 2015Observed: 4.18 ft at 11:45PM Apr 30, 2015Observed: 4.2 ft at 12:00AM May 01, 2015Observed: 4.18 ft at 12:15AM May 01, 2015Observed: 4.19 ft at 12:30AM May 01, 2015Observed: 4.18 ft at 12:45AM May 01, 2015Observed: 4.18 ft at 1:00AM May 01, 2015Observed: 4.2 ft at 1:15AM May 01, 2015Observed: 4.19 ft at 1:30AM May 01, 2015Observed: 4.21 ft at 1:45AM May 01, 2015Observed: 4.18 ft at 2:00AM May 01, 2015Observed: 4.2 ft at 2:15AM May 01, 2015Observed: 4.18 ft at 2:30AM May 01, 2015Observed: 4.17 ft at 2:45AM May 01, 2015Observed: 4.19 ft at 3:00AM May 01, 2015Observed: 4.2 ft at 3:15AM May 01, 2015Observed: 4.2 ft at 3:30AM May 01, 2015Observed: 4.18 ft at 3:45AM May 01, 2015Observed: 4.18 ft at 4:00AM May 01, 2015Observed: 4.18 ft at 4:15AM May 01, 2015Observed: 4.19 ft at 4:30AM May 01, 2015Observed: 4.21 ft at 4:45AM May 01, 2015Observed: 4.18 ft at 5:00AM May 01, 2015Observed: 4.19 ft at 5:15AM May 01, 2015Observed: 4.21 ft at 5:30AM May 01, 2015Observed: 4.17 ft at 5:45AM May 01, 2015Observed: 4.2 ft at 6:00AM May 01, 2015Observed: 4.19 ft at 6:15AM May 01, 2015Observed: 4.19 ft at 6:30AM May 01, 2015Observed: 4.21 ft at 6:45AM May 01, 2015Observed: 4.2 ft at 7:00AM May 01, 2015Observed: 4.2 ft at 7:15AM May 01, 2015Observed: 4.2 ft at 7:30AM May 01, 2015Observed: 4.19 ft at 7:45AM May 01, 2015Observed: 4.2 ft at 8:00AM May 01, 2015Observed: 4.21 ft at 8:15AM May 01, 2015Observed: 4.2 ft at 8:30AM May 01, 2015Observed: 4.2 ft at 8:45AM May 01, 2015Observed: 4.2 ft at 9:00AM May 01, 2015Observed: 4.19 ft at 9:15AM May 01, 2015Observed: 4.21 ft at 9:30AM May 01, 2015Observed: 4.2 ft at 9:45AM May 01, 2015Observed: 4.19 ft at 10:00AM May 01, 2015Observed: 4.2 ft at 10:15AM May 01, 2015Observed: 4.19 ft at 10:30AM May 01, 2015Observed: 4.2 ft at 10:45AM May 01, 2015Observed: 4.2 ft at 11:00AM May 01, 2015Observed: 4.19 ft at 11:15AM May 01, 2015Observed: 4.2 ft at 11:30AM May 01, 2015Observed: 4.19 ft at 11:45AM May 01, 2015Observed: 4.19 ft at 12:00PM May 01, 2015Observed: 4.19 ft at 12:15PM May 01, 2015Observed: 4.2 ft at 12:30PM May 01, 2015Observed: 4.2 ft at 12:45PM May 01, 2015Observed: 4.2 ft at 1:00PM May 01, 2015Observed: 4.21 ft at 1:15PM May 01, 2015Observed: 4.2 ft at 1:30PM May 01, 2015Observed: 4.2 ft at 1:45PM May 01, 2015Observed: 4.2 ft at 2:00PM May 01, 2015Observed: 4.2 ft at 2:15PM May 01, 2015Observed: 4.19 ft at 2:30PM May 01, 2015Observed: 4.2 ft at 2:45PM May 01, 2015Observed: 4.21 ft at 3:00PM May 01, 2015Observed: 4.19 ft at 3:15PM May 01, 2015Observed: 4.2 ft at 3:30PM May 01, 2015Observed: 4.2 ft at 3:45PM May 01, 2015Observed: 4.2 ft at 4:00PM May 01, 2015Observed: 4.21 ft at 4:15PM May 01, 2015Observed: 4.21 ft at 4:30PM May 01, 2015Observed: 4.21 ft at 4:45PM May 01, 2015Observed: 4.21 ft at 5:00PM May 01, 2015Observed: 4.2 ft at 5:15PM May 01, 2015Observed: 4.21 ft at 5:30PM May 01, 2015Observed: 4.2 ft at 5:45PM May 01, 2015Observed: 4.21 ft at 6:00PM May 01, 2015Observed: 4.21 ft at 6:15PM May 01, 2015Observed: 4.2 ft at 6:30PM May 01, 2015Observed: 4.21 ft at 6:45PM May 01, 2015Observed: 4.22 ft at 7:00PM May 01, 2015Observed: 4.21 ft at 7:15PM May 01, 2015Observed: 4.21 ft at 7:30PM May 01, 2015Observed: 4.21 ft at 7:45PM May 01, 2015Observed: 4.22 ft at 8:00PM May 01, 2015Observed: 4.21 ft at 8:15PM May 01, 2015Observed: 4.22 ft at 8:30PM May 01, 2015Observed: 4.22 ft at 8:45PM May 01, 2015Observed: 4.21 ft at 9:00PM May 01, 2015Observed: 4.22 ft at 9:15PM May 01, 2015Observed: 4.21 ft at 9:30PM May 01, 2015Observed: 4.21 ft at 9:45PM May 01, 2015Observed: 4.22 ft at 10:00PM May 01, 2015Observed: 4.22 ft at 10:15PM May 01, 2015Observed: 4.21 ft at 10:30PM May 01, 2015Observed: 4.21 ft at 10:45PM May 01, 2015Observed: 4.22 ft at 11:00PM May 01, 2015Observed: 4.21 ft at 11:15PM May 01, 2015Observed: 4.22 ft at 11:30PM May 01, 2015Observed: 4.21 ft at 11:45PM May 01, 2015Observed: 4.21 ft at 12:00AM May 02, 2015Observed: 4.22 ft at 12:15AM May 02, 2015Highest Observation: 4.23 ft at 12:30AM May 02, 2015Observed: 4.22 ft at 12:45AM May 02, 2015Observed: 4.22 ft at 1:00AM May 02, 2015Observed: 4.22 ft at 1:15AM May 02, 2015Observed: 4.22 ft at 1:30AM May 02, 2015Observed: 4.22 ft at 1:45AM May 02, 2015Observed: 4.22 ft at 2:00AM May 02, 2015Observed: 4.22 ft at 2:15AM May 02, 2015Observed: 4.22 ft at 2:30AM May 02, 2015Observed: 4.21 ft at 2:45AM May 02, 2015Observed: 4.22 ft at 3:00AM May 02, 2015Observed: 4.22 ft at 3:15AM May 02, 2015Observed: 4.21 ft at 3:30AM May 02, 2015Observed: 4.21 ft at 3:45AM May 02, 2015Observed: 4.22 ft at 4:00AM May 02, 2015Observed: 4.22 ft at 4:15AM May 02, 2015Observed: 4.22 ft at 4:30AM May 02, 2015Observed: 4.22 ft at 4:45AM May 02, 2015Observed: 4.22 ft at 5:00AM May 02, 2015Observed: 4.21 ft at 5:15AM May 02, 2015Observed: 4.22 ft at 5:30AM May 02, 2015Observed: 4.22 ft at 5:45AM May 02, 2015Observed: 4.22 ft at 6:00AM May 02, 2015Observed: 4.22 ft at 6:15AM May 02, 2015Observed: 4.22 ft at 6:30AM May 02, 2015Observed: 4.22 ft at 6:45AM May 02, 2015Highest Observation: 4.23 ft at 7:00AM May 02, 2015Observed: 4.22 ft at 7:15AM May 02, 2015Highest Observation: 4.23 ft at 7:30AM May 02, 2015Observed: 4.22 ft at 7:45AM May 02, 2015Highest Observation: 4.23 ft at 8:00AM May 02, 2015Observed: 4.22 ft at 8:15AM May 02, 2015Observed: 4.22 ft at 8:30AM May 02, 2015Highest Observation: 4.23 ft at 8:45AM May 02, 2015Observed: 4.22 ft at 9:00AM May 02, 2015Observed: 4.22 ft at 9:15AM May 02, 2015Observed: 4.21 ft at 9:30AM May 02, 2015Observed: 4.22 ft at 9:45AM May 02, 2015Observed: 4.22 ft at 10:00AM May 02, 2015Observed: 4.21 ft at 10:15AM May 02, 2015Observed: 4.21 ft at 10:30AM May 02, 2015Highest Observation: 4.23 ft at 10:45AM May 02, 2015Observed: 4.22 ft at 11:00AM May 02, 2015Observed: 4.22 ft at 11:15AM May 02, 2015Observed: 4.22 ft at 11:30AM May 02, 2015Observed: 4.21 ft at 11:45AM May 02, 2015Highest Observation: 4.23 ft at 12:00PM May 02, 2015Observed: 4.22 ft at 12:15PM May 02, 2015Observed: 4.22 ft at 12:30PM May 02, 2015Observed: 4.22 ft at 12:45PM May 02, 2015Observed: 4.22 ft at 1:00PM May 02, 2015Observed: 4.22 ft at 1:15PM May 02, 2015Observed: 4.22 ft at 1:30PM May 02, 2015Highest Observation: 4.23 ft at 1:45PM May 02, 2015Observed: 4.22 ft at 2:00PM May 02, 2015Observed: 4.22 ft at 2:15PM May 02, 2015Observed: 4.22 ft at 2:30PM May 02, 2015Highest Observation: 4.23 ft at 2:45PM May 02, 2015Observed: 4.22 ft at 3:00PM May 02, 2015Observed: 4.22 ft at 3:15PM May 02, 2015Observed: 4.22 ft at 3:30PM May 02, 2015Observed: 4.22 ft at 3:45PM May 02, 2015Highest Observation: 4.23 ft at 4:00PM May 02, 2015Observed: 4.21 ft at 4:15PM May 02, 2015Observed: 4.22 ft at 4:30PM May 02, 2015Observed: 4.22 ft at 4:45PM May 02, 2015Observed: 4.21 ft at 5:00PM May 02, 2015Observed: 4.22 ft at 5:15PM May 02, 2015Observed: 4.21 ft at 5:30PM May 02, 2015Observed: 4.22 ft at 5:45PM May 02, 2015Observed: 4.22 ft at 6:00PM May 02, 2015Observed: 4.22 ft at 6:15PM May 02, 2015Observed: 4.21 ft at 6:30PM May 02, 2015Observed: 4.22 ft at 6:45PM May 02, 2015Highest Observation: 4.23 ft at 7:00PM May 02, 2015Observed: 4.22 ft at 7:15PM May 02, 2015Observed: 4.22 ft at 7:30PM May 02, 2015Highest Observation: 4.23 ft at 7:45PM May 02, 2015Observed: 4.22 ft at 8:00PM May 02, 2015Observed: 4.22 ft at 8:15PM May 02, 2015Observed: 4.22 ft at 8:30PM May 02, 2015Observed: 4.22 ft at 8:45PM May 02, 2015Highest Observation: 4.23 ft at 9:00PM May 02, 2015Observed: 4.21 ft at 9:15PM May 02, 2015Observed: 4.22 ft at 9:30PM May 02, 2015Observed: 4.22 ft at 9:45PM May 02, 2015Observed: 4.22 ft at 10:00PM May 02, 2015Highest Observation: 4.23 ft at 10:15PM May 02, 2015Observed: 4.22 ft at 10:30PM May 02, 2015Observed: 4.21 ft at 10:45PM May 02, 2015Observed: 4.21 ft at 11:00PM May 02, 2015Observed: 4.21 ft at 11:15PM May 02, 2015Highest Observation: 4.23 ft at 11:30PM May 02, 2015Observed: 4.22 ft at 11:45PM May 02, 2015Observed: 4.21 ft at 12:00AM May 03, 2015Observed: 4.22 ft at 12:15AM May 03, 2015Observed: 4.21 ft at 12:30AM May 03, 2015Observed: 4.21 ft at 12:45AM May 03, 2015Observed: 4.22 ft at 1:00AM May 03, 2015Observed: 4.22 ft at 1:15AM May 03, 2015Observed: 4.21 ft at 1:30AM May 03, 2015Observed: 4.21 ft at 1:45AM May 03, 2015Observed: 4.22 ft at 2:00AM May 03, 2015Observed: 4.22 ft at 2:15AM May 03, 2015Observed: 4.22 ft at 2:30AM May 03, 2015Observed: 4.21 ft at 2:45AM May 03, 2015Observed: 4.2 ft at 3:00AM May 03, 2015Observed: 4.21 ft at 3:15AM May 03, 2015Observed: 4.21 ft at 3:30AM May 03, 2015Observed: 4.21 ft at 4:00AM May 03, 2015Observed: 4.2 ft at 4:15AM May 03, 2015Observed: 4.21 ft at 4:30AM May 03, 2015Observed: 4.21 ft at 4:45AM May 03, 2015Observed: 4.2 ft at 5:00AM May 03, 2015Observed: 4.21 ft at 5:15AM May 03, 2015Observed: 4.21 ft at 5:30AM May 03, 2015Observed: 4.21 ft at 5:45AM May 03, 2015Observed: 4.21 ft at 6:00AM May 03, 2015Observed: 4.2 ft at 6:15AM May 03, 2015Observed: 4.2 ft at 6:30AM May 03, 2015Observed: 4.21 ft at 6:45AM May 03, 2015Observed: 4.2 ft at 7:00AM May 03, 2015Observed: 4.2 ft at 7:15AM May 03, 2015Observed: 4.21 ft at 7:30AM May 03, 2015Observed: 4.21 ft at 7:45AM May 03, 2015Observed: 4.22 ft at 8:00AM May 03, 2015Observed: 4.2 ft at 8:15AM May 03, 2015Observed: 4.21 ft at 8:30AM May 03, 2015Observed: 4.2 ft at 8:45AM May 03, 2015Observed: 4.2 ft at 9:00AM May 03, 2015Observed: 4.2 ft at 9:15AM May 03, 2015Observed: 4.2 ft at 9:30AM May 03, 2015Observed: 4.2 ft at 9:45AM May 03, 2015Observed: 4.2 ft at 10:00AM May 03, 2015Observed: 4.2 ft at 10:15AM May 03, 2015Observed: 4.2 ft at 10:30AM May 03, 2015Observed: 4.21 ft at 10:45AM May 03, 2015Observed: 4.21 ft at 11:00AM May 03, 2015Observed: 4.2 ft at 11:15AM May 03, 2015Observed: 4.2 ft at 11:30AM May 03, 2015Observed: 4.2 ft at 11:45AM May 03, 2015Observed: 4.2 ft at 12:00PM May 03, 2015Observed: 4.2 ft at 12:15PM May 03, 2015Observed: 4.21 ft at 12:30PM May 03, 2015Observed: 4.2 ft at 12:45PM May 03, 2015Observed: 4.2 ft at 1:00PM May 03, 2015Observed: 4.21 ft at 1:15PM May 03, 2015Observed: 4.19 ft at 1:30PM May 03, 2015Observed: 4.2 ft at 1:45PM May 03, 2015Observed: 4.2 ft at 2:00PM May 03, 2015Observed: 4.2 ft at 2:15PM May 03, 2015Observed: 4.2 ft at 2:30PM May 03, 2015Observed: 4.19 ft at 2:45PM May 03, 2015Observed: 4.19 ft at 3:00PM May 03, 2015Observed: 4.2 ft at 3:15PM May 03, 2015Observed: 4.19 ft at 3:30PM May 03, 2015Observed: 4.2 ft at 3:45PM May 03, 2015Observed: 4.2 ft at 4:00PM May 03, 2015Observed: 4.2 ft at 4:15PM May 03, 2015Observed: 4.19 ft at 4:30PM May 03, 2015Observed: 4.19 ft at 4:45PM May 03, 2015Observed: 4.19 ft at 5:00PM May 03, 2015Observed: 4.19 ft at 5:15PM May 03, 2015Observed: 4.2 ft at 5:30PM May 03, 2015Observed: 4.2 ft at 5:45PM May 03, 2015Observed: 4.2 ft at 6:00PM May 03, 2015Observed: 4.2 ft at 6:15PM May 03, 2015Observed: 4.19 ft at 6:30PM May 03, 2015Observed: 4.19 ft at 6:45PM May 03, 2015Observed: 4.19 ft at 7:00PM May 03, 2015Observed: 4.19 ft at 7:15PM May 03, 2015Observed: 4.19 ft at 7:30PM May 03, 2015Observed: 4.19 ft at 7:45PM May 03, 2015Observed: 4.19 ft at 8:00PM May 03, 2015Observed: 4.21 ft at 8:15PM May 03, 2015Observed: 4.21 ft at 8:30PM May 03, 2015Observed: 4.22 ft at 8:45PM May 03, 2015Observed: 4.22 ft at 9:00PM May 03, 2015Observed: 4.22 ft at 9:15PM May 03, 2015Observed: 4.21 ft at 9:30PM May 03, 2015Observed: 4.22 ft at 9:45PM May 03, 2015Observed: 4.21 ft at 10:00PM May 03, 2015Observed: 4.22 ft at 10:15PM May 03, 2015Observed: 4.22 ft at 10:30PM May 03, 2015Observed: 4.21 ft at 10:45PM May 03, 2015Observed: 4.21 ft at 11:00PM May 03, 2015Observed: 4.2 ft at 11:15PM May 03, 2015Observed: 4.21 ft at 11:30PM May 03, 2015Observed: 4.2 ft at 11:45PM May 03, 2015Observed: 4.2 ft at 12:00AM May 04, 2015Observed: 4.21 ft at 12:15AM May 04, 2015Observed: 4.2 ft at 12:30AM May 04, 2015Observed: 4.21 ft at 12:45AM May 04, 2015Observed: 4.2 ft at 1:00AM May 04, 2015Observed: 4.2 ft at 1:15AM May 04, 2015Observed: 4.2 ft at 1:30AM May 04, 2015Observed: 4.2 ft at 1:45AM May 04, 2015Observed: 4.2 ft at 2:00AM May 04, 2015Observed: 4.2 ft at 2:15AM May 04, 2015Observed: 4.2 ft at 2:30AM May 04, 2015Observed: 4.2 ft at 2:45AM May 04, 2015Observed: 4.2 ft at 3:00AM May 04, 2015Observed: 4.2 ft at 3:15AM May 04, 2015Observed: 4.19 ft at 3:30AM May 04, 2015Observed: 4.19 ft at 3:45AM May 04, 2015Observed: 4.19 ft at 4:00AM May 04, 2015Observed: 4.19 ft at 4:15AM May 04, 2015Observed: 4.19 ft at 4:30AM May 04, 2015Observed: 4.19 ft at 4:45AM May 04, 2015Observed: 4.19 ft at 5:00AM May 04, 2015Observed: 4.18 ft at 5:15AM May 04, 2015Observed: 4.19 ft at 5:30AM May 04, 2015Observed: 4.19 ft at 5:45AM May 04, 2015Observed: 4.19 ft at 6:00AM May 04, 2015Observed: 4.19 ft at 6:15AM May 04, 2015Observed: 4.19 ft at 6:30AM May 04, 2015Observed: 4.18 ft at 6:45AM May 04, 2015Observed: 4.18 ft at 7:00AM May 04, 2015Observed: 4.18 ft at 7:15AM May 04, 2015Observed: 4.19 ft at 7:30AM May 04, 2015Observed: 4.19 ft at 7:45AM May 04, 2015Observed: 4.18 ft at 8:00AM May 04, 2015Observed: 4.18 ft at 8:15AM May 04, 2015Observed: 4.18 ft at 8:30AM May 04, 2015Observed: 4.18 ft at 8:45AM May 04, 2015Observed: 4.18 ft at 9:00AM May 04, 2015Observed: 4.17 ft at 9:15AM May 04, 2015Observed: 4.18 ft at 9:30AM May 04, 2015Observed: 4.17 ft at 9:45AM May 04, 2015Observed: 4.17 ft at 10:00AM May 04, 2015Observed: 4.17 ft at 10:15AM May 04, 2015Observed: 4.19 ft at 10:30AM May 04, 2015Observed: 4.19 ft at 10:45AM May 04, 2015Observed: 4.18 ft at 11:00AM May 04, 2015Observed: 4.17 ft at 11:15AM May 04, 2015Observed: 4.18 ft at 11:30AM May 04, 2015Observed: 4.18 ft at 11:45AM May 04, 2015Observed: 4.18 ft at 12:00PM May 04, 2015Observed: 4.18 ft at 12:15PM May 04, 2015Observed: 4.18 ft at 12:30PM May 04, 2015Observed: 4.18 ft at 12:45PM May 04, 2015Observed: 4.17 ft at 1:00PM May 04, 2015Observed: 4.18 ft at 1:15PM May 04, 2015Observed: 4.18 ft at 1:30PM May 04, 2015Observed: 4.18 ft at 1:45PM May 04, 2015Observed: 4.17 ft at 2:00PM May 04, 2015Observed: 4.18 ft at 2:15PM May 04, 2015Observed: 4.17 ft at 2:30PM May 04, 2015Observed: 4.18 ft at 2:45PM May 04, 2015Observed: 4.16 ft at 3:00PM May 04, 2015Observed: 4.16 ft at 3:15PM May 04, 2015Observed: 4.16 ft at 3:30PM May 04, 2015Observed: 4.16 ft at 3:45PM May 04, 2015Observed: 4.16 ft at 4:00PM May 04, 2015Observed: 4.16 ft at 4:15PM May 04, 2015Observed: 4.17 ft at 4:30PM May 04, 2015Observed: 4.16 ft at 4:45PM May 04, 2015Observed: 4.17 ft at 5:00PM May 04, 2015Observed: 4.17 ft at 5:15PM May 04, 2015Observed: 4.16 ft at 5:30PM May 04, 2015Observed: 4.16 ft at 5:45PM May 04, 2015Observed: 4.16 ft at 6:00PM May 04, 2015Observed: 4.17 ft at 6:15PM May 04, 2015Observed: 4.16 ft at 6:30PM May 04, 2015Observed: 4.16 ft at 6:45PM May 04, 2015Observed: 4.16 ft at 7:00PM May 04, 2015Observed: 4.16 ft at 7:15PM May 04, 2015Observed: 4.16 ft at 7:30PM May 04, 2015Observed: 4.15 ft at 7:45PM May 04, 2015Observed: 4.16 ft at 8:00PM May 04, 2015Observed: 4.16 ft at 8:15PM May 04, 2015Observed: 4.16 ft at 8:30PM May 04, 2015Observed: 4.16 ft at 8:45PM May 04, 2015Observed: 4.16 ft at 9:00PM May 04, 2015Observed: 4.16 ft at 9:15PM May 04, 2015Observed: 4.15 ft at 9:30PM May 04, 2015Observed: 4.16 ft at 9:45PM May 04, 2015Observed: 4.15 ft at 10:00PM May 04, 2015Observed: 4.14 ft at 10:15PM May 04, 2015Observed: 4.15 ft at 10:30PM May 04, 2015Observed: 4.16 ft at 10:45PM May 04, 2015Observed: 4.15 ft at 11:00PM May 04, 2015Observed: 4.15 ft at 11:15PM May 04, 2015Observed: 4.16 ft at 11:30PM May 04, 2015Observed: 4.15 ft at 11:45PM May 04, 2015Observed: 4.14 ft at 12:00AM May 05, 2015Observed: 4.15 ft at 12:15AM May 05, 2015Observed: 4.14 ft at 12:30AM May 05, 2015Observed: 4.14 ft at 12:45AM May 05, 2015Observed: 4.15 ft at 1:00AM May 05, 2015Observed: 4.15 ft at 1:15AM May 05, 2015Observed: 4.13 ft at 1:30AM May 05, 2015Observed: 4.14 ft at 1:45AM May 05, 2015Observed: 4.14 ft at 2:00AM May 05, 2015Observed: 4.15 ft at 2:15AM May 05, 2015Observed: 4.14 ft at 2:30AM May 05, 2015Observed: 4.13 ft at 2:45AM May 05, 2015Observed: 4.15 ft at 3:00AM May 05, 2015Observed: 4.15 ft at 3:15AM May 05, 2015Observed: 4.14 ft at 3:30AM May 05, 2015Observed: 4.13 ft at 3:45AM May 05, 2015Observed: 4.14 ft at 4:00AM May 05, 2015Observed: 4.14 ft at 4:15AM May 05, 2015Observed: 4.14 ft at 4:30AM May 05, 2015Observed: 4.14 ft at 4:45AM May 05, 2015Observed: 4.13 ft at 5:00AM May 05, 2015Observed: 4.13 ft at 5:15AM May 05, 2015Observed: 4.14 ft at 5:30AM May 05, 2015Observed: 4.15 ft at 5:45AM May 05, 2015Observed: 4.13 ft at 6:00AM May 05, 2015Observed: 4.14 ft at 6:15AM May 05, 2015Observed: 4.14 ft at 6:30AM May 05, 2015Observed: 4.14 ft at 6:45AM May 05, 2015Observed: 4.13 ft at 7:00AM May 05, 2015Observed: 4.14 ft at 7:15AM May 05, 2015Observed: 4.14 ft at 7:30AM May 05, 2015Observed: 4.14 ft at 7:45AM May 05, 2015Observed: 4.13 ft at 8:00AM May 05, 2015Observed: 4.14 ft at 8:15AM May 05, 2015Observed: 4.14 ft at 8:30AM May 05, 2015Observed: 4.14 ft at 8:45AM May 05, 2015Observed: 4.14 ft at 9:00AM May 05, 2015Observed: 4.14 ft at 9:15AM May 05, 2015Observed: 4.15 ft at 9:30AM May 05, 2015Observed: 4.14 ft at 9:45AM May 05, 2015Observed: 4.15 ft at 10:00AM May 05, 2015Observed: 4.14 ft at 10:15AM May 05, 2015Observed: 4.14 ft at 10:30AM May 05, 2015Observed: 4.14 ft at 10:45AM May 05, 2015Observed: 4.14 ft at 11:00AM May 05, 2015Observed: 4.14 ft at 11:15AM May 05, 2015Observed: 4.13 ft at 11:30AM May 05, 2015Observed: 4.14 ft at 11:45AM May 05, 2015Observed: 4.13 ft at 12:00PM May 05, 2015Observed: 4.14 ft at 12:15PM May 05, 2015Observed: 4.13 ft at 12:30PM May 05, 2015Observed: 4.14 ft at 12:45PM May 05, 2015Observed: 4.12 ft at 1:00PM May 05, 2015Observed: 4.14 ft at 1:15PM May 05, 2015Observed: 4.13 ft at 1:30PM May 05, 2015Observed: 4.13 ft at 1:45PM May 05, 2015Observed: 4.12 ft at 2:00PM May 05, 2015Observed: 4.13 ft at 2:15PM May 05, 2015Observed: 4.13 ft at 2:30PM May 05, 2015USGS--Water Resources of the United StatesMCWI4(plotting HGIRV) Graph Created (4:17PM May 5, 2015)ObservedLatest observed value: 4.13 ft at 2:30 PM CDT 5-May-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: 19-Nov-2014 11:37 PM
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