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Web Portal Changes: The Advanced Hydrologic Prediction Service (AHPS) hosted at https://water.weather.gov will be replaced by the National Water Prediction Service (NWPS), with a target of Spring 2024. Existing AHPS content and features will be preserved and expanded within NWPS. The NWS is now accepting feedback on NWPS. Please visit https://www.weather.gov/owp/operations for more information.

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Hydrograph River at a Glance Download
Frio River near Derby Stage (ft)Flow (cfs)Observed: -0.76 ft at 12:45PM Nov 23, 2023Observed: -0.76 ft at 1:00PM Nov 23, 2023Observed: -0.76 ft at 1:15PM Nov 23, 2023Observed: -0.76 ft at 1:30PM Nov 23, 2023Observed: -0.76 ft at 1:45PM Nov 23, 2023Observed: -0.76 ft at 2:00PM Nov 23, 2023Observed: -0.76 ft at 2:15PM Nov 23, 2023Observed: -0.76 ft at 2:30PM Nov 23, 2023Observed: -0.76 ft at 2:45PM Nov 23, 2023Observed: -0.76 ft at 3:00PM Nov 23, 2023Observed: -0.76 ft at 3:15PM Nov 23, 2023Observed: -0.76 ft at 3:30PM Nov 23, 2023Observed: -0.76 ft at 3:45PM Nov 23, 2023Observed: -0.76 ft at 4:00PM Nov 23, 2023Observed: -0.76 ft at 4:15PM Nov 23, 2023Observed: -0.76 ft at 4:30PM Nov 23, 2023Observed: -0.76 ft at 4:45PM Nov 23, 2023Observed: -0.76 ft at 5:00PM Nov 23, 2023Observed: -0.76 ft at 5:15PM Nov 23, 2023Observed: -0.76 ft at 5:30PM Nov 23, 2023Observed: -0.76 ft at 5:45PM Nov 23, 2023Observed: -0.76 ft at 6:00PM Nov 23, 2023Observed: -0.76 ft at 6:15PM Nov 23, 2023Observed: -0.76 ft at 6:30PM Nov 23, 2023Observed: -0.76 ft at 6:45PM Nov 23, 2023Observed: -0.76 ft at 7:00PM Nov 23, 2023Observed: -0.76 ft at 7:15PM Nov 23, 2023Observed: -0.76 ft at 7:30PM Nov 23, 2023Observed: -0.76 ft at 7:45PM Nov 23, 2023Observed: -0.76 ft at 8:00PM Nov 23, 2023Observed: -0.76 ft at 8:15PM Nov 23, 2023Observed: -0.76 ft at 8:30PM Nov 23, 2023Observed: -0.76 ft at 8:45PM Nov 23, 2023Observed: -0.76 ft at 9:00PM Nov 23, 2023Observed: -0.76 ft at 9:15PM Nov 23, 2023Observed: -0.76 ft at 9:30PM Nov 23, 2023Observed: -0.76 ft at 9:45PM Nov 23, 2023Observed: -0.76 ft at 10:00PM Nov 23, 2023Observed: -0.76 ft at 10:15PM Nov 23, 2023Observed: -0.76 ft at 10:30PM Nov 23, 2023Observed: -0.76 ft at 10:45PM Nov 23, 2023Observed: -0.76 ft at 11:00PM Nov 23, 2023Observed: -0.76 ft at 11:15PM Nov 23, 2023Observed: -0.76 ft at 11:30PM Nov 23, 2023Observed: -0.76 ft at 11:45PM Nov 23, 2023Observed: -0.76 ft at 12:00AM Nov 24, 2023Observed: -0.76 ft at 12:15AM Nov 24, 2023Observed: -0.76 ft at 12:30AM Nov 24, 2023Observed: -0.76 ft at 12:45AM Nov 24, 2023Observed: -0.76 ft at 1:00AM Nov 24, 2023Observed: -0.76 ft at 1:15AM Nov 24, 2023Observed: -0.76 ft at 1:30AM Nov 24, 2023Observed: -0.76 ft at 1:45AM Nov 24, 2023Observed: -0.76 ft at 2:00AM Nov 24, 2023Observed: -0.76 ft at 2:15AM Nov 24, 2023Observed: -0.76 ft at 2:30AM Nov 24, 2023Observed: -0.76 ft at 2:45AM Nov 24, 2023Observed: -0.76 ft at 3:00AM Nov 24, 2023Observed: -0.76 ft at 3:15AM Nov 24, 2023Observed: -0.76 ft at 3:30AM Nov 24, 2023Observed: -0.76 ft at 3:45AM Nov 24, 2023Observed: -0.76 ft at 4:00AM Nov 24, 2023Observed: -0.76 ft at 4:15AM Nov 24, 2023Observed: -0.76 ft at 4:30AM Nov 24, 2023Observed: -0.76 ft at 4:45AM Nov 24, 2023Observed: -0.76 ft at 5:00AM Nov 24, 2023Observed: -0.76 ft at 5:15AM Nov 24, 2023Observed: -0.76 ft at 5:30AM Nov 24, 2023Observed: -0.76 ft at 5:45AM Nov 24, 2023Observed: -0.76 ft at 6:00AM Nov 24, 2023Observed: -0.76 ft at 6:15AM Nov 24, 2023Observed: -0.76 ft at 6:30AM Nov 24, 2023Observed: -0.76 ft at 6:45AM Nov 24, 2023Observed: -0.76 ft at 7:00AM Nov 24, 2023Observed: -0.76 ft at 7:15AM Nov 24, 2023Observed: -0.76 ft at 7:30AM Nov 24, 2023Observed: -0.76 ft at 7:45AM Nov 24, 2023Observed: -0.76 ft at 8:00AM Nov 24, 2023Observed: -0.76 ft at 8:15AM Nov 24, 2023Observed: -0.76 ft at 8:30AM Nov 24, 2023Observed: -0.76 ft at 8:45AM Nov 24, 2023Observed: -0.76 ft at 9:00AM Nov 24, 2023Observed: -0.76 ft at 9:15AM Nov 24, 2023Observed: -0.76 ft at 9:30AM Nov 24, 2023Observed: -0.76 ft at 9:45AM Nov 24, 2023Observed: -0.76 ft at 10:00AM Nov 24, 2023Observed: -0.76 ft at 10:15AM Nov 24, 2023Observed: -0.76 ft at 10:30AM Nov 24, 2023Observed: -0.76 ft at 10:45AM Nov 24, 2023Observed: -0.76 ft at 11:00AM Nov 24, 2023Observed: -0.76 ft at 11:15AM Nov 24, 2023Observed: -0.76 ft at 11:30AM Nov 24, 2023Observed: -0.76 ft at 11:45AM Nov 24, 2023Observed: -0.76 ft at 12:00PM Nov 24, 2023Observed: -0.76 ft at 12:15PM Nov 24, 2023Observed: -0.76 ft at 12:30PM Nov 24, 2023Observed: -0.76 ft at 12:45PM Nov 24, 2023Observed: -0.76 ft at 1:00PM Nov 24, 2023Observed: -0.76 ft at 1:01PM Nov 24, 2023Observed: -0.76 ft at 1:15PM Nov 24, 2023Observed: -0.76 ft at 1:30PM Nov 24, 2023Observed: -0.76 ft at 1:45PM Nov 24, 2023Observed: -0.76 ft at 2:00PM Nov 24, 2023Observed: -0.76 ft at 2:15PM Nov 24, 2023Observed: -0.76 ft at 2:30PM Nov 24, 2023Observed: -0.76 ft at 2:45PM Nov 24, 2023Observed: -0.76 ft at 3:00PM Nov 24, 2023Observed: -0.76 ft at 3:15PM Nov 24, 2023Observed: -0.76 ft at 3:30PM Nov 24, 2023Observed: -0.76 ft at 3:45PM Nov 24, 2023Observed: -0.76 ft at 4:00PM Nov 24, 2023Observed: -0.76 ft at 4:15PM Nov 24, 2023Observed: -0.76 ft at 4:30PM Nov 24, 2023Observed: -0.76 ft at 4:45PM Nov 24, 2023Observed: -0.76 ft at 5:00PM Nov 24, 2023Observed: -0.76 ft at 5:15PM Nov 24, 2023Observed: -0.76 ft at 5:30PM Nov 24, 2023Observed: -0.76 ft at 5:45PM Nov 24, 2023Observed: -0.76 ft at 6:00PM Nov 24, 2023Observed: -0.76 ft at 6:15PM Nov 24, 2023Observed: -0.76 ft at 6:30PM Nov 24, 2023Observed: -0.76 ft at 6:45PM Nov 24, 2023Observed: -0.76 ft at 7:00PM Nov 24, 2023Observed: -0.76 ft at 7:15PM Nov 24, 2023Observed: -0.76 ft at 7:30PM Nov 24, 2023Observed: -0.76 ft at 7:45PM Nov 24, 2023Observed: -0.76 ft at 8:00PM Nov 24, 2023Observed: -0.76 ft at 8:15PM Nov 24, 2023Observed: -0.76 ft at 8:30PM Nov 24, 2023Observed: -0.76 ft at 8:45PM Nov 24, 2023Observed: -0.76 ft at 9:00PM Nov 24, 2023Observed: -0.76 ft at 9:15PM Nov 24, 2023Observed: -0.76 ft at 9:30PM Nov 24, 2023Observed: -0.76 ft at 9:45PM Nov 24, 2023Observed: -0.76 ft at 10:00PM Nov 24, 2023Observed: -0.76 ft at 10:15PM Nov 24, 2023Observed: -0.76 ft at 10:30PM Nov 24, 2023Observed: -0.76 ft at 10:45PM Nov 24, 2023Observed: -0.76 ft at 11:00PM Nov 24, 2023Observed: -0.76 ft at 11:15PM Nov 24, 2023Observed: -0.76 ft at 11:30PM Nov 24, 2023Observed: -0.76 ft at 11:45PM Nov 24, 2023Observed: -0.76 ft at 12:00AM Nov 25, 2023Observed: -0.76 ft at 12:15AM Nov 25, 2023Observed: -0.76 ft at 12:30AM Nov 25, 2023Observed: -0.76 ft at 12:45AM Nov 25, 2023Observed: -0.76 ft at 1:00AM Nov 25, 2023Observed: -0.76 ft at 1:15AM Nov 25, 2023Observed: -0.76 ft at 1:30AM Nov 25, 2023Observed: -0.76 ft at 1:45AM Nov 25, 2023Observed: -0.76 ft at 2:00AM Nov 25, 2023Observed: -0.76 ft at 2:15AM Nov 25, 2023Observed: -0.76 ft at 2:30AM Nov 25, 2023Observed: -0.76 ft at 2:45AM Nov 25, 2023Observed: -0.76 ft at 3:00AM Nov 25, 2023Observed: -0.76 ft at 3:15AM Nov 25, 2023Observed: -0.76 ft at 3:30AM Nov 25, 2023Observed: -0.76 ft at 3:45AM Nov 25, 2023Observed: -0.76 ft at 4:00AM Nov 25, 2023Observed: -0.76 ft at 4:15AM Nov 25, 2023Observed: -0.76 ft at 4:30AM Nov 25, 2023Observed: -0.76 ft at 4:45AM Nov 25, 2023Observed: -0.76 ft at 5:00AM Nov 25, 2023Observed: -0.76 ft at 5:15AM Nov 25, 2023Observed: -0.76 ft at 5:30AM Nov 25, 2023Observed: -0.76 ft at 5:45AM Nov 25, 2023Observed: -0.76 ft at 6:00AM Nov 25, 2023Observed: -0.76 ft at 6:15AM Nov 25, 2023Observed: -0.76 ft at 6:30AM Nov 25, 2023Observed: -0.76 ft at 6:45AM Nov 25, 2023Observed: -0.76 ft at 7:00AM Nov 25, 2023Observed: -0.76 ft at 7:15AM Nov 25, 2023Observed: -0.76 ft at 7:30AM Nov 25, 2023Observed: -0.76 ft at 7:45AM Nov 25, 2023Observed: -0.76 ft at 8:00AM Nov 25, 2023Observed: -0.76 ft at 8:15AM Nov 25, 2023Observed: -0.76 ft at 8:30AM Nov 25, 2023Observed: -0.76 ft at 8:45AM Nov 25, 2023Observed: -0.76 ft at 9:00AM Nov 25, 2023Observed: -0.76 ft at 9:15AM Nov 25, 2023Observed: -0.76 ft at 9:30AM Nov 25, 2023Observed: -0.76 ft at 9:45AM Nov 25, 2023Observed: -0.76 ft at 10:00AM Nov 25, 2023Observed: -0.76 ft at 10:15AM Nov 25, 2023Observed: -0.76 ft at 10:30AM Nov 25, 2023Observed: -0.76 ft at 10:45AM Nov 25, 2023Observed: -0.76 ft at 11:00AM Nov 25, 2023Observed: -0.76 ft at 11:15AM Nov 25, 2023Observed: -0.76 ft at 11:30AM Nov 25, 2023Observed: -0.76 ft at 11:45AM Nov 25, 2023Observed: -0.76 ft at 12:00PM Nov 25, 2023Observed: -0.76 ft at 12:15PM Nov 25, 2023Observed: -0.76 ft at 12:30PM Nov 25, 2023Observed: -0.76 ft at 12:45PM Nov 25, 2023Observed: -0.76 ft at 1:00PM Nov 25, 2023Observed: -0.76 ft at 1:01PM Nov 25, 2023Observed: -0.76 ft at 1:15PM Nov 25, 2023Observed: -0.76 ft at 1:30PM Nov 25, 2023Observed: -0.76 ft at 1:45PM Nov 25, 2023Observed: -0.76 ft at 2:00PM Nov 25, 2023Observed: -0.76 ft at 2:15PM Nov 25, 2023Observed: -0.76 ft at 2:30PM Nov 25, 2023Observed: -0.76 ft at 2:45PM Nov 25, 2023Observed: -0.76 ft at 3:00PM Nov 25, 2023Observed: -0.76 ft at 3:15PM Nov 25, 2023Observed: -0.76 ft at 3:30PM Nov 25, 2023Observed: -0.76 ft at 3:45PM Nov 25, 2023Observed: -0.76 ft at 4:00PM Nov 25, 2023Observed: -0.76 ft at 4:15PM Nov 25, 2023Observed: -0.76 ft at 4:30PM Nov 25, 2023Observed: -0.76 ft at 4:45PM Nov 25, 2023Observed: -0.76 ft at 5:00PM Nov 25, 2023Observed: -0.76 ft at 5:15PM Nov 25, 2023Observed: -0.76 ft at 5:30PM Nov 25, 2023Observed: -0.76 ft at 5:45PM Nov 25, 2023Observed: -0.76 ft at 6:00PM Nov 25, 2023Observed: -0.76 ft at 6:15PM Nov 25, 2023Observed: -0.76 ft at 6:30PM Nov 25, 2023Observed: -0.76 ft at 6:45PM Nov 25, 2023Observed: -0.76 ft at 7:00PM Nov 25, 2023Observed: -0.76 ft at 7:15PM Nov 25, 2023Observed: -0.76 ft at 7:30PM Nov 25, 2023Observed: -0.76 ft at 7:45PM Nov 25, 2023Observed: -0.76 ft at 8:00PM Nov 25, 2023Observed: -0.76 ft at 8:15PM Nov 25, 2023Observed: -0.76 ft at 8:30PM Nov 25, 2023Observed: -0.76 ft at 8:45PM Nov 25, 2023Observed: -0.76 ft at 9:00PM Nov 25, 2023Observed: -0.76 ft at 9:15PM Nov 25, 2023Observed: -0.76 ft at 9:30PM Nov 25, 2023Observed: -0.76 ft at 9:45PM Nov 25, 2023Observed: -0.76 ft at 10:00PM Nov 25, 2023Observed: -0.76 ft at 10:15PM Nov 25, 2023Observed: -0.76 ft at 10:30PM Nov 25, 2023Observed: -0.76 ft at 10:45PM Nov 25, 2023Observed: -0.76 ft at 11:00PM Nov 25, 2023Observed: -0.76 ft at 11:15PM Nov 25, 2023Observed: -0.76 ft at 11:30PM Nov 25, 2023Observed: -0.76 ft at 11:45PM Nov 25, 2023Observed: -0.76 ft at 12:00AM Nov 26, 2023Observed: -0.76 ft at 12:15AM Nov 26, 2023Observed: -0.76 ft at 12:30AM Nov 26, 2023Observed: -0.76 ft at 12:45AM Nov 26, 2023Observed: -0.76 ft at 1:00AM Nov 26, 2023Observed: -0.76 ft at 1:15AM Nov 26, 2023Observed: -0.76 ft at 1:30AM Nov 26, 2023Observed: -0.76 ft at 1:45AM Nov 26, 2023Observed: -0.76 ft at 2:00AM Nov 26, 2023Observed: -0.76 ft at 2:15AM Nov 26, 2023Observed: -0.76 ft at 2:30AM Nov 26, 2023Observed: -0.76 ft at 2:45AM Nov 26, 2023Observed: -0.76 ft at 3:00AM Nov 26, 2023Observed: -0.76 ft at 3:15AM Nov 26, 2023Observed: -0.76 ft at 3:30AM Nov 26, 2023Observed: -0.76 ft at 3:45AM Nov 26, 2023Observed: -0.76 ft at 4:00AM Nov 26, 2023Observed: -0.76 ft at 4:15AM Nov 26, 2023Observed: -0.76 ft at 4:30AM Nov 26, 2023Observed: -0.76 ft at 4:45AM Nov 26, 2023Observed: -0.76 ft at 5:00AM Nov 26, 2023Observed: -0.76 ft at 5:15AM Nov 26, 2023Observed: -0.76 ft at 5:30AM Nov 26, 2023Observed: -0.76 ft at 5:45AM Nov 26, 2023Observed: -0.76 ft at 6:00AM Nov 26, 2023Observed: -0.76 ft at 6:15AM Nov 26, 2023Observed: -0.76 ft at 6:30AM Nov 26, 2023Observed: -0.76 ft at 6:45AM Nov 26, 2023Observed: -0.76 ft at 7:00AM Nov 26, 2023Observed: -0.76 ft at 7:15AM Nov 26, 2023Observed: -0.76 ft at 7:30AM Nov 26, 2023Observed: -0.76 ft at 7:45AM Nov 26, 2023Observed: -0.76 ft at 8:00AM Nov 26, 2023Observed: -0.76 ft at 8:15AM Nov 26, 2023Observed: -0.76 ft at 8:30AM Nov 26, 2023Observed: -0.76 ft at 8:45AM Nov 26, 2023Observed: -0.76 ft at 9:00AM Nov 26, 2023Observed: -0.76 ft at 9:15AM Nov 26, 2023Observed: -0.76 ft at 9:30AM Nov 26, 2023Observed: -0.76 ft at 9:45AM Nov 26, 2023Observed: -0.76 ft at 10:00AM Nov 26, 2023Observed: -0.76 ft at 10:15AM Nov 26, 2023Observed: -0.76 ft at 10:30AM Nov 26, 2023Observed: -0.76 ft at 10:45AM Nov 26, 2023Observed: -0.76 ft at 11:00AM Nov 26, 2023Observed: -0.76 ft at 11:15AM Nov 26, 2023Observed: -0.76 ft at 11:30AM Nov 26, 2023Observed: -0.76 ft at 11:45AM Nov 26, 2023Observed: -0.76 ft at 12:00PM Nov 26, 2023Observed: -0.76 ft at 12:15PM Nov 26, 2023Observed: -0.76 ft at 12:30PM Nov 26, 2023Observed: -0.76 ft at 12:45PM Nov 26, 2023Observed: -0.76 ft at 1:00PM Nov 26, 2023Observed: -0.76 ft at 1:15PM Nov 26, 2023Observed: -0.76 ft at 1:30PM Nov 26, 2023Observed: -0.76 ft at 1:45PM Nov 26, 2023Observed: -0.76 ft at 2:00PM Nov 26, 2023Observed: -0.76 ft at 2:15PM Nov 26, 2023Observed: -0.76 ft at 2:30PM Nov 26, 2023Observed: -0.76 ft at 2:45PM Nov 26, 2023Observed: -0.76 ft at 3:00PM Nov 26, 2023Observed: -0.76 ft at 3:15PM Nov 26, 2023Observed: -0.76 ft at 3:30PM Nov 26, 2023Observed: -0.76 ft at 3:45PM Nov 26, 2023Observed: -0.76 ft at 4:00PM Nov 26, 2023Observed: -0.76 ft at 4:15PM Nov 26, 2023Observed: -0.76 ft at 4:30PM Nov 26, 2023Observed: -0.76 ft at 4:45PM Nov 26, 2023Observed: -0.76 ft at 5:00PM Nov 26, 2023Observed: -0.76 ft at 5:15PM Nov 26, 2023Observed: -0.76 ft at 5:30PM Nov 26, 2023Observed: -0.76 ft at 5:45PM Nov 26, 2023Observed: -0.76 ft at 6:00PM Nov 26, 2023Observed: -0.76 ft at 6:15PM Nov 26, 2023Observed: -0.76 ft at 6:30PM Nov 26, 2023Observed: -0.76 ft at 6:45PM Nov 26, 2023Observed: -0.76 ft at 7:00PM Nov 26, 2023Observed: -0.76 ft at 7:15PM Nov 26, 2023Observed: -0.76 ft at 7:30PM Nov 26, 2023Observed: -0.76 ft at 7:45PM Nov 26, 2023Observed: -0.76 ft at 8:00PM Nov 26, 2023Observed: -0.76 ft at 8:15PM Nov 26, 2023Observed: -0.76 ft at 8:30PM Nov 26, 2023Observed: -0.76 ft at 8:45PM Nov 26, 2023Observed: -0.76 ft at 9:00PM Nov 26, 2023Observed: -0.76 ft at 9:15PM Nov 26, 2023Observed: -0.76 ft at 9:30PM Nov 26, 2023Observed: -0.76 ft at 9:45PM Nov 26, 2023Observed: -0.76 ft at 10:00PM Nov 26, 2023Observed: -0.76 ft at 10:15PM Nov 26, 2023Observed: -0.76 ft at 10:30PM Nov 26, 2023Observed: -0.76 ft at 10:45PM Nov 26, 2023Observed: -0.76 ft at 11:00PM Nov 26, 2023Observed: -0.76 ft at 11:15PM Nov 26, 2023Observed: -0.76 ft at 11:30PM Nov 26, 2023Observed: -0.76 ft at 11:45PM Nov 26, 2023Observed: -0.76 ft at 12:00AM Nov 27, 2023Observed: -0.76 ft at 12:15AM Nov 27, 2023Observed: -0.76 ft at 12:30AM Nov 27, 2023Observed: -0.76 ft at 12:45AM Nov 27, 2023Observed: -0.76 ft at 1:00AM Nov 27, 2023Observed: -0.76 ft at 1:15AM Nov 27, 2023Observed: -0.76 ft at 1:30AM Nov 27, 2023Observed: -0.76 ft at 1:45AM Nov 27, 2023Observed: -0.76 ft at 2:00AM Nov 27, 2023Observed: -0.76 ft at 2:15AM Nov 27, 2023Observed: -0.76 ft at 2:30AM Nov 27, 2023Observed: -0.76 ft at 2:45AM Nov 27, 2023Observed: -0.76 ft at 3:00AM Nov 27, 2023Observed: -0.76 ft at 3:15AM Nov 27, 2023Observed: -0.76 ft at 3:30AM Nov 27, 2023Observed: -0.76 ft at 3:45AM Nov 27, 2023Observed: -0.76 ft at 4:00AM Nov 27, 2023Observed: -0.76 ft at 4:15AM Nov 27, 2023Observed: -0.76 ft at 4:30AM Nov 27, 2023Observed: -0.76 ft at 4:45AM Nov 27, 2023Observed: -0.76 ft at 5:00AM Nov 27, 2023Observed: -0.76 ft at 5:15AM Nov 27, 2023Observed: -0.76 ft at 5:30AM Nov 27, 2023Observed: -0.76 ft at 5:45AM Nov 27, 2023Observed: -0.76 ft at 6:00AM Nov 27, 2023Observed: -0.76 ft at 6:15AM Nov 27, 2023Observed: -0.76 ft at 6:30AM Nov 27, 2023Observed: -0.76 ft at 6:45AM Nov 27, 2023Observed: -0.76 ft at 7:00AM Nov 27, 2023Observed: -0.76 ft at 7:15AM Nov 27, 2023Observed: -0.76 ft at 7:30AM Nov 27, 2023Observed: -0.76 ft at 7:45AM Nov 27, 2023Observed: -0.76 ft at 8:00AM Nov 27, 2023Observed: -0.76 ft at 8:15AM Nov 27, 2023Observed: -0.76 ft at 8:30AM Nov 27, 2023Observed: -0.76 ft at 8:45AM Nov 27, 2023Observed: -0.76 ft at 9:00AM Nov 27, 2023Observed: -0.76 ft at 9:15AM Nov 27, 2023Observed: -0.76 ft at 9:30AM Nov 27, 2023Observed: -0.76 ft at 9:45AM Nov 27, 2023Observed: -0.76 ft at 10:00AM Nov 27, 2023Observed: -0.76 ft at 10:15AM Nov 27, 2023Observed: -0.76 ft at 10:30AM Nov 27, 2023Observed: -0.76 ft at 10:45AM Nov 27, 2023Observed: -0.76 ft at 11:00AM Nov 27, 2023Observed: -0.76 ft at 11:15AM Nov 27, 2023Observed: -0.76 ft at 11:30AM Nov 27, 2023Observed: -0.76 ft at 11:45AM Nov 27, 2023Observed: -0.76 ft at 12:00PM Nov 27, 2023Observed: -0.76 ft at 12:15PM Nov 27, 2023Observed: -0.76 ft at 12:30PM Nov 27, 2023Observed: -0.76 ft at 12:45PM Nov 27, 2023Observed: -0.76 ft at 1:00PM Nov 27, 2023Observed: -0.76 ft at 1:01PM Nov 27, 2023Observed: -0.76 ft at 1:15PM Nov 27, 2023Observed: -0.76 ft at 1:30PM Nov 27, 2023Observed: -0.76 ft at 1:45PM Nov 27, 2023Observed: -0.76 ft at 2:00PM Nov 27, 2023Observed: -0.76 ft at 2:15PM Nov 27, 2023Observed: -0.76 ft at 2:30PM Nov 27, 2023Observed: -0.76 ft at 2:45PM Nov 27, 2023Observed: -0.76 ft at 3:00PM Nov 27, 2023Observed: -0.76 ft at 3:15PM Nov 27, 2023Observed: -0.76 ft at 3:30PM Nov 27, 2023Observed: -0.76 ft at 3:45PM Nov 27, 2023Observed: -0.76 ft at 4:00PM Nov 27, 2023Observed: -0.76 ft at 4:15PM Nov 27, 2023Observed: -0.76 ft at 4:30PM Nov 27, 2023Observed: -0.76 ft at 4:45PM Nov 27, 2023Observed: -0.76 ft at 5:00PM Nov 27, 2023Observed: -0.76 ft at 5:15PM Nov 27, 2023Observed: -0.76 ft at 5:30PM Nov 27, 2023Observed: -0.76 ft at 5:45PM Nov 27, 2023Observed: -0.76 ft at 6:00PM Nov 27, 2023Observed: -0.76 ft at 6:15PM Nov 27, 2023Observed: -0.76 ft at 6:30PM Nov 27, 2023Observed: -0.76 ft at 6:45PM Nov 27, 2023Observed: -0.76 ft at 7:00PM Nov 27, 2023Observed: -0.76 ft at 7:15PM Nov 27, 2023Observed: -0.76 ft at 7:30PM Nov 27, 2023Observed: -0.76 ft at 7:45PM Nov 27, 2023Observed: -0.76 ft at 8:00PM Nov 27, 2023Observed: -0.76 ft at 8:15PM Nov 27, 2023Observed: -0.76 ft at 8:30PM Nov 27, 2023Observed: -0.76 ft at 8:45PM Nov 27, 2023Observed: -0.76 ft at 9:00PM Nov 27, 2023Observed: -0.76 ft at 9:15PM Nov 27, 2023Observed: -0.76 ft at 9:30PM Nov 27, 2023Observed: -0.76 ft at 9:45PM Nov 27, 2023Observed: -0.76 ft at 10:00PM Nov 27, 2023Observed: -0.76 ft at 10:15PM Nov 27, 2023Observed: -0.76 ft at 10:30PM Nov 27, 2023Observed: -0.76 ft at 10:45PM Nov 27, 2023Observed: -0.76 ft at 11:00PM Nov 27, 2023Observed: -0.76 ft at 11:15PM Nov 27, 2023Observed: -0.76 ft at 11:30PM Nov 27, 2023Observed: -0.76 ft at 11:45PM Nov 27, 2023Observed: -0.76 ft at 12:00AM Nov 28, 2023Observed: -0.76 ft at 12:15AM Nov 28, 2023Observed: -0.76 ft at 12:30AM Nov 28, 2023Observed: -0.76 ft at 12:45AM Nov 28, 2023Observed: -0.76 ft at 1:00AM Nov 28, 2023Observed: -0.76 ft at 1:15AM Nov 28, 2023Observed: -0.76 ft at 1:30AM Nov 28, 2023Observed: -0.76 ft at 1:45AM Nov 28, 2023Observed: -0.76 ft at 2:00AM Nov 28, 2023Observed: -0.76 ft at 2:15AM Nov 28, 2023Observed: -0.76 ft at 2:30AM Nov 28, 2023Observed: -0.76 ft at 2:45AM Nov 28, 2023Observed: -0.76 ft at 3:00AM Nov 28, 2023Observed: -0.76 ft at 3:15AM Nov 28, 2023Observed: -0.76 ft at 3:30AM Nov 28, 2023Observed: -0.76 ft at 3:45AM Nov 28, 2023Observed: -0.76 ft at 4:00AM Nov 28, 2023Observed: -0.76 ft at 4:15AM Nov 28, 2023Observed: -0.76 ft at 4:30AM Nov 28, 2023Observed: -0.76 ft at 4:45AM Nov 28, 2023Observed: -0.76 ft at 5:00AM Nov 28, 2023Observed: -0.76 ft at 5:15AM Nov 28, 2023Observed: -0.76 ft at 5:30AM Nov 28, 2023Observed: -0.76 ft at 5:45AM Nov 28, 2023Observed: -0.76 ft at 6:00AM Nov 28, 2023Observed: -0.76 ft at 6:15AM Nov 28, 2023Observed: -0.76 ft at 6:30AM Nov 28, 2023Observed: -0.76 ft at 6:45AM Nov 28, 2023Observed: -0.76 ft at 7:00AM Nov 28, 2023Observed: -0.76 ft at 7:15AM Nov 28, 2023Observed: -0.76 ft at 7:30AM Nov 28, 2023Observed: -0.76 ft at 7:45AM Nov 28, 2023Observed: -0.76 ft at 8:00AM Nov 28, 2023Observed: -0.76 ft at 8:15AM Nov 28, 2023Observed: -0.76 ft at 8:30AM Nov 28, 2023Observed: -0.76 ft at 8:45AM Nov 28, 2023Observed: -0.76 ft at 9:00AM Nov 28, 2023Observed: -0.76 ft at 9:15AM Nov 28, 2023Observed: -0.76 ft at 9:30AM Nov 28, 2023Observed: -0.76 ft at 9:45AM Nov 28, 2023Observed: -0.76 ft at 10:00AM Nov 28, 2023Observed: -0.76 ft at 10:15AM Nov 28, 2023Observed: -0.76 ft at 10:30AM Nov 28, 2023Observed: -0.76 ft at 10:45AM Nov 28, 2023Observed: -0.76 ft at 11:00AM Nov 28, 2023Observed: -0.76 ft at 11:15AM Nov 28, 2023Observed: -0.76 ft at 11:30AM Nov 28, 2023USGS--Water Resources of the United StatesDBYT2(plotting HGIRG) Graph Created (12:34PM Nov 28, 2023)ObservedLatest observed value: -0.76 ft at 11:30 AM CST 28-Nov-2023. Flood Stage is 6 ft
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Tabular Data (UTC)
Tabular Data (CST)
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Datum: NAVD88
Metadata
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.

NOTE: Forecasts for the Frio River near Derby are issued as needed during times of high water, but are not routinely available.

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Upstream Gauge - below Dry Frio near Uvalde Upstream Gauge Downstream Gauge Downstream Gauge - at Tilden
Flood Categories (in feet)
Major Flood Stage: 17
Moderate Flood Stage: 7
Flood Stage: 6
Action Stage: 6
Low Stage (in feet): -9999

Historic Crests
(1) 29.45 ft on 07/04/1932
(2) 23.70 ft on 06/02/1935
(3) 22.02 ft on 07/21/2007
(4) 21.77 ft on 06/24/1997
(5) 19.87 ft on 07/07/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 9.40 ft on 10/18/2018
(2) 9.09 ft on 10/12/2018
(3) 9.02 ft on 09/24/2018
(4) 9.95 ft on 09/18/2018 (P)
(5) 8.81 ft on 09/11/2018 (P)
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to www.floodsmart.gov.
Zoom Level:16
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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
17 Major flooding reaches lowest homes and businesses downstream in Tilden. Hundreds of livestock are trapped and potentially drowned in low areas of the flood plain near Derby to Choke Canyon Reservoir. Major flooding of crop and pasture land near the river inundates oil well pump jacks and irrigation pumps.
14 Significant crop and pastureland flooding below Uvalde to Choke Canyon Reservoir floods oil well pump jacks, irrigation pumps and any equipment in the flood plain. Numerous secondary roads and low bridges are flooded. Livestock are cut off and potentially drowned in low areas of the flood plain.
10 Lowland flooding below Concan to Choke Canyon Reservoir floods oil well pump jacks, irrigation pumps and any equipment in the lower flood plain near and above Derby.
7 Moderate lowland flooding closes Farm to Market 1581 near Derby.
6 Minor lowland flooding reaches the Farm to Market 1581 bridge floor.
About This Location Collapse

Latitude: 28.736389° N, Longitude: 99.144444° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 6 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 449.05 ft 455.05 ft 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:
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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
Austin/San Antonio Weather Forecast Office
2090 Airport Road
New Braunfels, TX 78130
(830) 629-0130
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