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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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DID YOU KNOW... Please try our new TEST hydrograph page link at: https://preview.water.noaa.gov/gauges/abcde - Just replace “abcde” with your local hydrograph five character ID found in the lower left corner of the hydrograph.  In late March of 2024, the base URL path will become water.noaa.gov.  Feedback can be provided HERE
Hydrograph River at a Glance Download
Illinois River near Henry Stage (ft)Observed: 14.64 ft at 1:15AM Nov 29, 2023Observed: 14.64 ft at 1:30AM Nov 29, 2023Observed: 14.64 ft at 1:45AM Nov 29, 2023Observed: 14.64 ft at 2:00AM Nov 29, 2023Observed: 14.66 ft at 2:15AM Nov 29, 2023Observed: 14.66 ft at 2:30AM Nov 29, 2023Observed: 14.65 ft at 2:45AM Nov 29, 2023Observed: 14.66 ft at 3:00AM Nov 29, 2023Observed: 14.67 ft at 3:15AM Nov 29, 2023Observed: 14.69 ft at 3:30AM Nov 29, 2023Observed: 14.7 ft at 3:45AM Nov 29, 2023Observed: 14.7 ft at 4:00AM Nov 29, 2023Observed: 14.69 ft at 4:15AM Nov 29, 2023Observed: 14.69 ft at 4:30AM Nov 29, 2023Observed: 14.7 ft at 4:45AM Nov 29, 2023Observed: 14.7 ft at 5:00AM Nov 29, 2023Observed: 14.71 ft at 5:15AM Nov 29, 2023Observed: 14.72 ft at 5:30AM Nov 29, 2023Observed: 14.72 ft at 5:45AM Nov 29, 2023Observed: 14.72 ft at 6:00AM Nov 29, 2023Observed: 14.71 ft at 6:15AM Nov 29, 2023Observed: 14.72 ft at 6:30AM Nov 29, 2023Observed: 14.72 ft at 6:45AM Nov 29, 2023Observed: 14.71 ft at 7:00AM Nov 29, 2023Observed: 14.71 ft at 7:15AM Nov 29, 2023Observed: 14.71 ft at 7:30AM Nov 29, 2023Observed: 14.72 ft at 7:45AM Nov 29, 2023Observed: 14.71 ft at 8:00AM Nov 29, 2023Observed: 14.7 ft at 8:15AM Nov 29, 2023Observed: 14.7 ft at 8:30AM Nov 29, 2023Observed: 14.7 ft at 8:45AM Nov 29, 2023Observed: 14.7 ft at 9:00AM Nov 29, 2023Observed: 14.72 ft at 9:15AM Nov 29, 2023Observed: 14.68 ft at 9:30AM Nov 29, 2023Observed: 14.69 ft at 9:45AM Nov 29, 2023Observed: 14.7 ft at 10:00AM Nov 29, 2023Observed: 14.71 ft at 10:15AM Nov 29, 2023Observed: 14.69 ft at 10:30AM Nov 29, 2023Observed: 14.7 ft at 10:45AM Nov 29, 2023Observed: 14.7 ft at 11:00AM Nov 29, 2023Observed: 14.7 ft at 11:15AM Nov 29, 2023Observed: 14.69 ft at 11:30AM Nov 29, 2023Observed: 14.68 ft at 11:45AM Nov 29, 2023Observed: 14.69 ft at 12:00PM Nov 29, 2023Observed: 14.69 ft at 12:15PM Nov 29, 2023Observed: 14.66 ft at 12:30PM Nov 29, 2023Observed: 14.68 ft at 12:45PM Nov 29, 2023Observed: 14.66 ft at 1:00PM Nov 29, 2023Observed: 14.67 ft at 1:15PM Nov 29, 2023Observed: 14.67 ft at 1:30PM Nov 29, 2023Observed: 14.69 ft at 1:45PM Nov 29, 2023Observed: 14.68 ft at 2:00PM Nov 29, 2023Observed: 14.68 ft at 2:15PM Nov 29, 2023Observed: 14.69 ft at 2:30PM Nov 29, 2023Observed: 14.68 ft at 2:45PM Nov 29, 2023Observed: 14.69 ft at 3:00PM Nov 29, 2023Observed: 14.69 ft at 3:15PM Nov 29, 2023Observed: 14.69 ft at 3:30PM Nov 29, 2023Observed: 14.7 ft at 3:45PM Nov 29, 2023Observed: 14.7 ft at 4:00PM Nov 29, 2023Observed: 14.73 ft at 4:15PM Nov 29, 2023Observed: 14.75 ft at 4:30PM Nov 29, 2023Observed: 14.68 ft at 4:45PM Nov 29, 2023Observed: 14.72 ft at 5:00PM Nov 29, 2023Observed: 14.69 ft at 5:15PM Nov 29, 2023Observed: 14.7 ft at 5:45PM Nov 29, 2023Observed: 14.68 ft at 6:00PM Nov 29, 2023Observed: 14.7 ft at 6:15PM Nov 29, 2023Observed: 14.7 ft at 6:30PM Nov 29, 2023Observed: 14.69 ft at 6:45PM Nov 29, 2023Observed: 14.69 ft at 7:00PM Nov 29, 2023Observed: 14.69 ft at 7:15PM Nov 29, 2023Observed: 14.69 ft at 7:30PM Nov 29, 2023Observed: 14.69 ft at 7:45PM Nov 29, 2023Observed: 14.68 ft at 8:00PM Nov 29, 2023Observed: 14.68 ft at 8:15PM Nov 29, 2023Observed: 14.67 ft at 8:30PM Nov 29, 2023Observed: 14.68 ft at 8:45PM Nov 29, 2023Observed: 14.67 ft at 9:00PM Nov 29, 2023Observed: 14.67 ft at 9:15PM Nov 29, 2023Observed: 14.67 ft at 9:30PM Nov 29, 2023Observed: 14.66 ft at 9:45PM Nov 29, 2023Observed: 14.66 ft at 10:00PM Nov 29, 2023Observed: 14.66 ft at 10:15PM Nov 29, 2023Observed: 14.65 ft at 10:30PM Nov 29, 2023Observed: 14.66 ft at 10:45PM Nov 29, 2023Observed: 14.65 ft at 11:00PM Nov 29, 2023Observed: 14.65 ft at 11:15PM Nov 29, 2023Observed: 14.64 ft at 11:30PM Nov 29, 2023Observed: 14.63 ft at 11:45PM Nov 29, 2023Observed: 14.62 ft at 12:00AM Nov 30, 2023Observed: 14.63 ft at 12:15AM Nov 30, 2023Observed: 14.62 ft at 12:30AM Nov 30, 2023Observed: 14.59 ft at 12:45AM Nov 30, 2023Observed: 14.59 ft at 1:15AM Nov 30, 2023Observed: 14.6 ft at 1:30AM Nov 30, 2023Observed: 14.6 ft at 2:00AM Nov 30, 2023Observed: 14.6 ft at 2:15AM Nov 30, 2023Observed: 14.61 ft at 2:30AM Nov 30, 2023Observed: 14.61 ft at 2:45AM Nov 30, 2023Observed: 14.6 ft at 3:00AM Nov 30, 2023Observed: 14.59 ft at 3:15AM Nov 30, 2023Observed: 14.59 ft at 3:30AM Nov 30, 2023Observed: 14.56 ft at 3:45AM Nov 30, 2023Observed: 14.57 ft at 4:00AM Nov 30, 2023Observed: 14.6 ft at 4:15AM Nov 30, 2023Observed: 14.61 ft at 4:30AM Nov 30, 2023Observed: 14.61 ft at 4:45AM Nov 30, 2023Observed: 14.62 ft at 5:00AM Nov 30, 2023Observed: 14.61 ft at 5:15AM Nov 30, 2023Observed: 14.62 ft at 5:30AM Nov 30, 2023Observed: 14.62 ft at 5:45AM Nov 30, 2023Observed: 14.63 ft at 6:00AM Nov 30, 2023Observed: 14.64 ft at 6:15AM Nov 30, 2023Observed: 14.65 ft at 6:30AM Nov 30, 2023Observed: 14.68 ft at 6:45AM Nov 30, 2023Observed: 14.67 ft at 7:00AM Nov 30, 2023Observed: 14.67 ft at 7:15AM Nov 30, 2023Observed: 14.68 ft at 7:30AM Nov 30, 2023Observed: 14.69 ft at 7:45AM Nov 30, 2023Observed: 14.7 ft at 8:00AM Nov 30, 2023Observed: 14.7 ft at 8:15AM Nov 30, 2023Observed: 14.69 ft at 8:30AM Nov 30, 2023Observed: 14.69 ft at 8:45AM Nov 30, 2023Observed: 14.7 ft at 9:00AM Nov 30, 2023Observed: 14.72 ft at 9:15AM Nov 30, 2023Observed: 14.72 ft at 9:30AM Nov 30, 2023Observed: 14.72 ft at 9:45AM Nov 30, 2023Observed: 14.7 ft at 10:00AM Nov 30, 2023Observed: 14.71 ft at 10:15AM Nov 30, 2023Observed: 14.72 ft at 10:30AM Nov 30, 2023Observed: 14.67 ft at 11:00AM Nov 30, 2023Observed: 14.69 ft at 11:15AM Nov 30, 2023Observed: 14.67 ft at 11:30AM Nov 30, 2023Observed: 14.74 ft at 11:45AM Nov 30, 2023Observed: 14.72 ft at 12:00PM Nov 30, 2023Observed: 14.72 ft at 12:15PM Nov 30, 2023Observed: 14.73 ft at 12:30PM Nov 30, 2023Observed: 14.73 ft at 12:45PM Nov 30, 2023Observed: 14.71 ft at 1:00PM Nov 30, 2023Observed: 14.72 ft at 1:15PM Nov 30, 2023Observed: 14.7 ft at 1:30PM Nov 30, 2023Observed: 14.71 ft at 1:45PM Nov 30, 2023Observed: 14.68 ft at 2:00PM Nov 30, 2023Observed: 14.72 ft at 2:15PM Nov 30, 2023Observed: 14.72 ft at 2:30PM Nov 30, 2023Observed: 14.71 ft at 2:45PM Nov 30, 2023Observed: 14.72 ft at 3:00PM Nov 30, 2023Observed: 14.7 ft at 3:15PM Nov 30, 2023Observed: 14.71 ft at 3:30PM Nov 30, 2023Observed: 14.69 ft at 3:45PM Nov 30, 2023Observed: 14.69 ft at 4:00PM Nov 30, 2023Observed: 14.7 ft at 4:15PM Nov 30, 2023Observed: 14.69 ft at 4:30PM Nov 30, 2023Observed: 14.7 ft at 4:45PM Nov 30, 2023Observed: 14.69 ft at 5:00PM Nov 30, 2023Observed: 14.69 ft at 5:15PM Nov 30, 2023Observed: 14.69 ft at 5:30PM Nov 30, 2023Observed: 14.67 ft at 5:45PM Nov 30, 2023Observed: 14.69 ft at 6:00PM Nov 30, 2023Observed: 14.67 ft at 6:15PM Nov 30, 2023Observed: 14.67 ft at 6:30PM Nov 30, 2023Observed: 14.66 ft at 6:45PM Nov 30, 2023Observed: 14.66 ft at 7:00PM Nov 30, 2023Observed: 14.65 ft at 7:15PM Nov 30, 2023Observed: 14.65 ft at 7:30PM Nov 30, 2023Observed: 14.65 ft at 7:45PM Nov 30, 2023Observed: 14.64 ft at 8:00PM Nov 30, 2023Observed: 14.63 ft at 8:15PM Nov 30, 2023Observed: 14.64 ft at 8:30PM Nov 30, 2023Observed: 14.64 ft at 8:45PM Nov 30, 2023Observed: 14.64 ft at 9:00PM Nov 30, 2023Observed: 14.64 ft at 9:15PM Nov 30, 2023Observed: 14.64 ft at 9:30PM Nov 30, 2023Observed: 14.64 ft at 9:45PM Nov 30, 2023Observed: 14.64 ft at 10:00PM Nov 30, 2023Observed: 14.64 ft at 10:15PM Nov 30, 2023Observed: 14.64 ft at 10:30PM Nov 30, 2023Observed: 14.63 ft at 10:45PM Nov 30, 2023Observed: 14.63 ft at 11:00PM Nov 30, 2023Observed: 14.62 ft at 11:15PM Nov 30, 2023Observed: 14.6 ft at 11:30PM Nov 30, 2023Observed: 14.64 ft at 11:45PM Nov 30, 2023Observed: 14.62 ft at 12:00AM Dec 01, 2023Observed: 14.61 ft at 12:15AM Dec 01, 2023Observed: 14.61 ft at 12:30AM Dec 01, 2023Observed: 14.61 ft at 12:45AM Dec 01, 2023Observed: 14.61 ft at 1:00AM Dec 01, 2023Observed: 14.61 ft at 1:15AM Dec 01, 2023Observed: 14.61 ft at 1:30AM Dec 01, 2023Observed: 14.6 ft at 1:45AM Dec 01, 2023Observed: 14.61 ft at 2:00AM Dec 01, 2023Observed: 14.61 ft at 2:15AM Dec 01, 2023Observed: 14.6 ft at 2:30AM Dec 01, 2023Observed: 14.6 ft at 2:45AM Dec 01, 2023Observed: 14.6 ft at 3:00AM Dec 01, 2023Observed: 14.61 ft at 3:15AM Dec 01, 2023Observed: 14.6 ft at 3:30AM Dec 01, 2023Observed: 14.59 ft at 3:45AM Dec 01, 2023Observed: 14.59 ft at 4:15AM Dec 01, 2023Observed: 14.6 ft at 4:30AM Dec 01, 2023Observed: 14.6 ft at 4:45AM Dec 01, 2023Observed: 14.6 ft at 5:00AM Dec 01, 2023Observed: 14.6 ft at 5:15AM Dec 01, 2023Observed: 14.62 ft at 5:30AM Dec 01, 2023Observed: 14.61 ft at 5:45AM Dec 01, 2023Observed: 14.6 ft at 6:00AM Dec 01, 2023Observed: 14.58 ft at 6:15AM Dec 01, 2023Observed: 14.57 ft at 6:30AM Dec 01, 2023Observed: 14.59 ft at 6:45AM Dec 01, 2023Observed: 14.6 ft at 7:00AM Dec 01, 2023Observed: 14.61 ft at 7:15AM Dec 01, 2023Observed: 14.62 ft at 7:30AM Dec 01, 2023Observed: 14.62 ft at 7:45AM Dec 01, 2023Observed: 14.62 ft at 8:00AM Dec 01, 2023Observed: 14.61 ft at 8:15AM Dec 01, 2023Observed: 14.61 ft at 8:30AM Dec 01, 2023Observed: 14.62 ft at 8:45AM Dec 01, 2023Observed: 14.61 ft at 9:00AM Dec 01, 2023Observed: 14.62 ft at 9:15AM Dec 01, 2023Observed: 14.62 ft at 9:30AM Dec 01, 2023Observed: 14.61 ft at 9:45AM Dec 01, 2023Observed: 14.63 ft at 10:00AM Dec 01, 2023Observed: 14.63 ft at 10:15AM Dec 01, 2023Observed: 14.62 ft at 10:30AM Dec 01, 2023Observed: 14.61 ft at 10:45AM Dec 01, 2023Observed: 14.6 ft at 11:00AM Dec 01, 2023Observed: 14.61 ft at 11:15AM Dec 01, 2023Observed: 14.61 ft at 11:30AM Dec 01, 2023Observed: 14.61 ft at 11:45AM Dec 01, 2023Observed: 14.61 ft at 12:00PM Dec 01, 2023Observed: 14.62 ft at 12:15PM Dec 01, 2023Observed: 14.61 ft at 12:30PM Dec 01, 2023Observed: 14.6 ft at 12:45PM Dec 01, 2023Observed: 14.6 ft at 1:00PM Dec 01, 2023Observed: 14.62 ft at 1:15PM Dec 01, 2023Observed: 14.63 ft at 1:30PM Dec 01, 2023Observed: 14.64 ft at 1:45PM Dec 01, 2023Observed: 14.65 ft at 2:00PM Dec 01, 2023Observed: 14.65 ft at 2:15PM Dec 01, 2023Observed: 14.66 ft at 2:30PM Dec 01, 2023Observed: 14.67 ft at 2:45PM Dec 01, 2023Observed: 14.68 ft at 3:00PM Dec 01, 2023Observed: 14.69 ft at 3:15PM Dec 01, 2023Observed: 14.69 ft at 3:30PM Dec 01, 2023Observed: 14.7 ft at 3:45PM Dec 01, 2023Observed: 14.72 ft at 4:00PM Dec 01, 2023Observed: 14.72 ft at 4:15PM Dec 01, 2023Observed: 14.73 ft at 4:30PM Dec 01, 2023Observed: 14.73 ft at 4:45PM Dec 01, 2023Observed: 14.74 ft at 5:00PM Dec 01, 2023Observed: 14.74 ft at 5:15PM Dec 01, 2023Observed: 14.73 ft at 5:30PM Dec 01, 2023Observed: 14.73 ft at 6:15PM Dec 01, 2023Observed: 14.74 ft at 6:30PM Dec 01, 2023Observed: 14.75 ft at 6:45PM Dec 01, 2023Observed: 14.77 ft at 7:00PM Dec 01, 2023Observed: 14.76 ft at 7:15PM Dec 01, 2023Observed: 14.76 ft at 7:30PM Dec 01, 2023Observed: 14.76 ft at 7:45PM Dec 01, 2023Observed: 14.76 ft at 8:00PM Dec 01, 2023Observed: 14.77 ft at 8:15PM Dec 01, 2023Observed: 14.78 ft at 8:30PM Dec 01, 2023Observed: 14.77 ft at 8:45PM Dec 01, 2023Observed: 14.77 ft at 9:00PM Dec 01, 2023Observed: 14.77 ft at 9:15PM Dec 01, 2023Observed: 14.77 ft at 9:30PM Dec 01, 2023Observed: 14.77 ft at 10:00PM Dec 01, 2023Observed: 14.82 ft at 10:15PM Dec 01, 2023Observed: 14.82 ft at 10:30PM Dec 01, 2023Observed: 14.82 ft at 10:45PM Dec 01, 2023Observed: 14.8 ft at 11:00PM Dec 01, 2023Observed: 14.81 ft at 11:15PM Dec 01, 2023Observed: 14.82 ft at 11:30PM Dec 01, 2023Observed: 14.8 ft at 11:45PM Dec 01, 2023Observed: 14.8 ft at 12:00AM Dec 02, 2023Observed: 14.79 ft at 12:15AM Dec 02, 2023Observed: 14.8 ft at 12:30AM Dec 02, 2023Observed: 14.8 ft at 12:45AM Dec 02, 2023Observed: 14.8 ft at 1:00AM Dec 02, 2023Observed: 14.8 ft at 1:15AM Dec 02, 2023Observed: 14.81 ft at 1:30AM Dec 02, 2023Observed: 14.79 ft at 1:45AM Dec 02, 2023Observed: 14.81 ft at 3:00AM Dec 02, 2023Observed: 14.8 ft at 3:15AM Dec 02, 2023Observed: 14.8 ft at 3:30AM Dec 02, 2023Observed: 14.79 ft at 3:45AM Dec 02, 2023Observed: 14.78 ft at 4:00AM Dec 02, 2023Observed: 14.77 ft at 4:15AM Dec 02, 2023Observed: 14.79 ft at 4:30AM Dec 02, 2023Observed: 14.78 ft at 4:45AM Dec 02, 2023Observed: 14.77 ft at 5:00AM Dec 02, 2023Observed: 14.76 ft at 5:15AM Dec 02, 2023Observed: 14.77 ft at 5:30AM Dec 02, 2023Observed: 14.78 ft at 5:45AM Dec 02, 2023Observed: 14.77 ft at 6:00AM Dec 02, 2023Observed: 14.74 ft at 6:15AM Dec 02, 2023Observed: 14.75 ft at 6:30AM Dec 02, 2023Observed: 14.74 ft at 6:45AM Dec 02, 2023Observed: 14.75 ft at 7:00AM Dec 02, 2023Observed: 14.75 ft at 7:15AM Dec 02, 2023Observed: 14.74 ft at 7:30AM Dec 02, 2023Observed: 14.75 ft at 7:45AM Dec 02, 2023Observed: 14.74 ft at 8:00AM Dec 02, 2023Observed: 14.74 ft at 8:15AM Dec 02, 2023Observed: 14.73 ft at 8:30AM Dec 02, 2023Observed: 14.74 ft at 8:45AM Dec 02, 2023Observed: 14.73 ft at 9:00AM Dec 02, 2023Observed: 14.72 ft at 9:15AM Dec 02, 2023Observed: 14.72 ft at 9:30AM Dec 02, 2023Observed: 14.71 ft at 9:45AM Dec 02, 2023Observed: 14.71 ft at 10:00AM Dec 02, 2023Observed: 14.7 ft at 10:15AM Dec 02, 2023Observed: 14.7 ft at 10:30AM Dec 02, 2023Observed: 14.7 ft at 10:45AM Dec 02, 2023Observed: 14.7 ft at 11:00AM Dec 02, 2023Observed: 14.7 ft at 11:15AM Dec 02, 2023Observed: 14.7 ft at 11:30AM Dec 02, 2023Observed: 14.69 ft at 11:45AM Dec 02, 2023Observed: 14.69 ft at 12:00PM Dec 02, 2023Observed: 14.69 ft at 12:15PM Dec 02, 2023Observed: 14.69 ft at 12:30PM Dec 02, 2023Observed: 14.7 ft at 12:45PM Dec 02, 2023Observed: 14.69 ft at 1:00PM Dec 02, 2023Observed: 14.68 ft at 1:15PM Dec 02, 2023Observed: 14.68 ft at 1:30PM Dec 02, 2023Observed: 14.68 ft at 1:45PM Dec 02, 2023Observed: 14.69 ft at 2:00PM Dec 02, 2023Observed: 14.68 ft at 2:15PM Dec 02, 2023Observed: 14.67 ft at 2:30PM Dec 02, 2023Observed: 14.68 ft at 2:45PM Dec 02, 2023Observed: 14.67 ft at 3:00PM Dec 02, 2023Observed: 14.67 ft at 3:15PM Dec 02, 2023Observed: 14.66 ft at 3:30PM Dec 02, 2023Observed: 14.68 ft at 3:45PM Dec 02, 2023Observed: 14.69 ft at 4:00PM Dec 02, 2023Observed: 14.66 ft at 4:15PM Dec 02, 2023Observed: 14.68 ft at 4:30PM Dec 02, 2023Observed: 14.66 ft at 4:45PM Dec 02, 2023Observed: 14.71 ft at 5:00PM Dec 02, 2023Observed: 14.67 ft at 5:15PM Dec 02, 2023Observed: 14.68 ft at 5:30PM Dec 02, 2023Observed: 14.69 ft at 5:45PM Dec 02, 2023Observed: 14.69 ft at 6:00PM Dec 02, 2023Observed: 14.69 ft at 6:15PM Dec 02, 2023Observed: 14.69 ft at 6:30PM Dec 02, 2023Observed: 14.69 ft at 6:45PM Dec 02, 2023Observed: 14.69 ft at 7:00PM Dec 02, 2023Observed: 14.7 ft at 7:15PM Dec 02, 2023Observed: 14.67 ft at 7:30PM Dec 02, 2023Observed: 14.72 ft at 7:45PM Dec 02, 2023Observed: 14.72 ft at 8:00PM Dec 02, 2023Observed: 14.72 ft at 8:15PM Dec 02, 2023Observed: 14.73 ft at 8:30PM Dec 02, 2023Observed: 14.74 ft at 8:45PM Dec 02, 2023Observed: 14.75 ft at 9:00PM Dec 02, 2023Observed: 14.76 ft at 9:15PM Dec 02, 2023Observed: 14.77 ft at 9:30PM Dec 02, 2023Observed: 14.78 ft at 9:45PM Dec 02, 2023Observed: 14.79 ft at 10:00PM Dec 02, 2023Observed: 14.8 ft at 10:15PM Dec 02, 2023Observed: 14.81 ft at 10:30PM Dec 02, 2023Observed: 14.83 ft at 10:45PM Dec 02, 2023Observed: 14.84 ft at 11:00PM Dec 02, 2023Observed: 14.84 ft at 11:15PM Dec 02, 2023Observed: 14.86 ft at 11:30PM Dec 02, 2023Observed: 14.88 ft at 11:45PM Dec 02, 2023Observed: 14.88 ft at 12:00AM Dec 03, 2023Observed: 14.89 ft at 12:15AM Dec 03, 2023Observed: 14.9 ft at 12:30AM Dec 03, 2023Observed: 14.91 ft at 12:45AM Dec 03, 2023Observed: 14.92 ft at 1:00AM Dec 03, 2023Observed: 14.94 ft at 1:15AM Dec 03, 2023Observed: 14.95 ft at 1:30AM Dec 03, 2023Observed: 14.95 ft at 1:45AM Dec 03, 2023Observed: 14.97 ft at 2:00AM Dec 03, 2023Observed: 14.98 ft at 2:15AM Dec 03, 2023Observed: 14.95 ft at 2:30AM Dec 03, 2023Observed: 14.94 ft at 2:45AM Dec 03, 2023Observed: 14.96 ft at 3:00AM Dec 03, 2023Observed: 14.95 ft at 3:15AM Dec 03, 2023Observed: 14.97 ft at 3:30AM Dec 03, 2023Observed: 14.98 ft at 3:45AM Dec 03, 2023Observed: 14.98 ft at 4:00AM Dec 03, 2023Observed: 14.99 ft at 4:15AM Dec 03, 2023Observed: 14.98 ft at 4:30AM Dec 03, 2023Observed: 14.98 ft at 4:45AM Dec 03, 2023Observed: 14.98 ft at 5:00AM Dec 03, 2023Observed: 14.99 ft at 5:15AM Dec 03, 2023Observed: 14.99 ft at 5:30AM Dec 03, 2023Observed: 15 ft at 5:45AM Dec 03, 2023Observed: 15 ft at 6:00AM Dec 03, 2023Observed: 15.01 ft at 6:15AM Dec 03, 2023Observed: 15.02 ft at 6:30AM Dec 03, 2023Observed: 15.02 ft at 6:45AM Dec 03, 2023Observed: 15.01 ft at 7:00AM Dec 03, 2023Observed: 15.01 ft at 7:15AM Dec 03, 2023Observed: 15.01 ft at 7:30AM Dec 03, 2023Observed: 15.02 ft at 7:45AM Dec 03, 2023Observed: 15.03 ft at 8:00AM Dec 03, 2023Observed: 15.04 ft at 8:15AM Dec 03, 2023Observed: 15.05 ft at 8:30AM Dec 03, 2023Observed: 15.07 ft at 8:45AM Dec 03, 2023Observed: 15.06 ft at 9:00AM Dec 03, 2023Observed: 15.04 ft at 9:15AM Dec 03, 2023Observed: 15.03 ft at 9:30AM Dec 03, 2023Observed: 15.07 ft at 9:45AM Dec 03, 2023Observed: 15.08 ft at 10:00AM Dec 03, 2023Observed: 15.08 ft at 10:15AM Dec 03, 2023Observed: 15.06 ft at 10:30AM Dec 03, 2023Observed: 15.08 ft at 10:45AM Dec 03, 2023Observed: 15.08 ft at 11:00AM Dec 03, 2023Observed: 15.1 ft at 11:15AM Dec 03, 2023Observed: 15.1 ft at 11:30AM Dec 03, 2023Observed: 15.1 ft at 11:45AM Dec 03, 2023Observed: 15.09 ft at 12:00PM Dec 03, 2023Observed: 15.08 ft at 12:15PM Dec 03, 2023Observed: 15.09 ft at 12:30PM Dec 03, 2023Observed: 15.1 ft at 12:45PM Dec 03, 2023Observed: 15.11 ft at 1:00PM Dec 03, 2023Observed: 15.1 ft at 1:15PM Dec 03, 2023Observed: 15.09 ft at 1:30PM Dec 03, 2023Observed: 15.14 ft at 1:45PM Dec 03, 2023Observed: 15.14 ft at 2:00PM Dec 03, 2023Observed: 15.15 ft at 2:15PM Dec 03, 2023Observed: 15.13 ft at 2:30PM Dec 03, 2023Observed: 15.13 ft at 2:45PM Dec 03, 2023Observed: 15.14 ft at 3:00PM Dec 03, 2023Observed: 15.16 ft at 3:15PM Dec 03, 2023Observed: 15.18 ft at 3:30PM Dec 03, 2023Observed: 15.13 ft at 3:45PM Dec 03, 2023Observed: 15.15 ft at 4:00PM Dec 03, 2023Observed: 15.14 ft at 4:30PM Dec 03, 2023Observed: 15.14 ft at 5:00PM Dec 03, 2023Observed: 15.14 ft at 5:15PM Dec 03, 2023Observed: 15.12 ft at 5:30PM Dec 03, 2023Observed: 15.15 ft at 5:45PM Dec 03, 2023Observed: 15.15 ft at 6:00PM Dec 03, 2023Observed: 15.14 ft at 6:15PM Dec 03, 2023Observed: 15.14 ft at 6:30PM Dec 03, 2023Observed: 15.11 ft at 6:45PM Dec 03, 2023Observed: 15.14 ft at 8:00PM Dec 03, 2023Observed: 15.14 ft at 8:15PM Dec 03, 2023Observed: 15.15 ft at 8:30PM Dec 03, 2023Observed: 15.16 ft at 8:45PM Dec 03, 2023Observed: 15.16 ft at 9:00PM Dec 03, 2023Observed: 15.16 ft at 9:15PM Dec 03, 2023Observed: 15.16 ft at 9:30PM Dec 03, 2023Observed: 15.16 ft at 9:45PM Dec 03, 2023Observed: 15.17 ft at 10:00PM Dec 03, 2023Observed: 15.18 ft at 10:15PM Dec 03, 2023Observed: 15.18 ft at 10:30PM Dec 03, 2023Observed: 15.2 ft at 10:45PM Dec 03, 2023Observed: 15.19 ft at 11:00PM Dec 03, 2023Observed: 15.2 ft at 11:15PM Dec 03, 2023Observed: 15.21 ft at 11:30PM Dec 03, 2023Observed: 15.21 ft at 11:45PM Dec 03, 2023Observed: 15.23 ft at 12:00AM Dec 04, 2023Observed: 15.23 ft at 12:15AM Dec 04, 2023Observed: 15.24 ft at 12:30AM Dec 04, 2023Observed: 15.24 ft at 12:45AM Dec 04, 2023Observed: 15.26 ft at 1:00AM Dec 04, 2023Observed: 15.27 ft at 1:15AM Dec 04, 2023Observed: 15.25 ft at 1:30AM Dec 04, 2023Observed: 15.28 ft at 1:45AM Dec 04, 2023Observed: 15.29 ft at 2:00AM Dec 04, 2023Observed: 15.29 ft at 2:15AM Dec 04, 2023Observed: 15.3 ft at 2:30AM Dec 04, 2023Observed: 15.3 ft at 2:45AM Dec 04, 2023Observed: 15.31 ft at 3:00AM Dec 04, 2023Observed: 15.31 ft at 3:15AM Dec 04, 2023Observed: 15.33 ft at 3:30AM Dec 04, 2023Observed: 15.34 ft at 3:45AM Dec 04, 2023Observed: 15.35 ft at 4:00AM Dec 04, 2023Observed: 15.36 ft at 4:15AM Dec 04, 2023Observed: 15.37 ft at 4:30AM Dec 04, 2023Observed: 15.37 ft at 4:45AM Dec 04, 2023Observed: 15.38 ft at 5:00AM Dec 04, 2023Observed: 15.39 ft at 5:15AM Dec 04, 2023Observed: 15.4 ft at 5:30AM Dec 04, 2023Observed: 15.41 ft at 5:45AM Dec 04, 2023Observed: 15.43 ft at 6:00AM Dec 04, 2023Observed: 15.43 ft at 6:15AM Dec 04, 2023Observed: 15.43 ft at 6:30AM Dec 04, 2023Observed: 15.41 ft at 7:00AM Dec 04, 2023Observed: 15.41 ft at 7:15AM Dec 04, 2023Observed: 15.43 ft at 7:30AM Dec 04, 2023Observed: 15.42 ft at 7:45AM Dec 04, 2023Observed: 15.42 ft at 9:00AM Dec 04, 2023Observed: 15.43 ft at 9:15AM Dec 04, 2023Observed: 15.43 ft at 9:30AM Dec 04, 2023Observed: 15.42 ft at 9:45AM Dec 04, 2023Observed: 15.43 ft at 10:00AM Dec 04, 2023Observed: 15.43 ft at 10:15AM Dec 04, 2023Observed: 15.45 ft at 10:30AM Dec 04, 2023Observed: 15.46 ft at 10:45AM Dec 04, 2023Observed: 15.44 ft at 11:00AM Dec 04, 2023Observed: 15.45 ft at 11:15AM Dec 04, 2023Observed: 15.46 ft at 11:30AM Dec 04, 2023Observed: 15.43 ft at 11:45AM Dec 04, 2023Observed: 15.46 ft at 12:00PM Dec 04, 2023Observed: 15.44 ft at 12:15PM Dec 04, 2023Observed: 15.48 ft at 12:30PM Dec 04, 2023Observed: 15.45 ft at 12:45PM Dec 04, 2023Observed: 15.46 ft at 1:00PM Dec 04, 2023Observed: 15.46 ft at 1:15PM Dec 04, 2023Observed: 15.45 ft at 1:30PM Dec 04, 2023Observed: 15.45 ft at 1:45PM Dec 04, 2023Observed: 15.46 ft at 2:00PM Dec 04, 2023Observed: 15.45 ft at 2:15PM Dec 04, 2023Observed: 15.45 ft at 2:30PM Dec 04, 2023Observed: 15.45 ft at 2:45PM Dec 04, 2023Observed: 15.46 ft at 3:00PM Dec 04, 2023Observed: 15.46 ft at 3:15PM Dec 04, 2023Observed: 15.45 ft at 3:30PM Dec 04, 2023Observed: 15.46 ft at 3:45PM Dec 04, 2023Observed: 15.45 ft at 4:00PM Dec 04, 2023Observed: 15.46 ft at 4:15PM Dec 04, 2023Observed: 15.46 ft at 4:30PM Dec 04, 2023Observed: 15.45 ft at 4:45PM Dec 04, 2023Observed: 15.47 ft at 5:00PM Dec 04, 2023Observed: 15.46 ft at 5:15PM Dec 04, 2023Observed: 15.46 ft at 5:30PM Dec 04, 2023Observed: 15.45 ft at 5:45PM Dec 04, 2023Observed: 15.47 ft at 6:00PM Dec 04, 2023Observed: 15.47 ft at 6:15PM Dec 04, 2023Observed: 15.47 ft at 6:30PM Dec 04, 2023Observed: 15.47 ft at 6:45PM Dec 04, 2023Observed: 15.47 ft at 7:00PM Dec 04, 2023Observed: 15.48 ft at 7:15PM Dec 04, 2023Observed: 15.47 ft at 7:30PM Dec 04, 2023Observed: 15.47 ft at 7:45PM Dec 04, 2023Observed: 15.48 ft at 8:00PM Dec 04, 2023Observed: 15.44 ft at 8:15PM Dec 04, 2023Observed: 15.47 ft at 8:30PM Dec 04, 2023Observed: 15.47 ft at 8:45PM Dec 04, 2023Observed: 15.48 ft at 9:00PM Dec 04, 2023Observed: 15.48 ft at 9:15PM Dec 04, 2023Observed: 15.47 ft at 9:30PM Dec 04, 2023Observed: 15.48 ft at 9:45PM Dec 04, 2023Observed: 15.47 ft at 10:00PM Dec 04, 2023Observed: 15.46 ft at 10:15PM Dec 04, 2023Observed: 15.46 ft at 10:30PM Dec 04, 2023Observed: 15.47 ft at 10:45PM Dec 04, 2023Observed: 15.43 ft at 11:00PM Dec 04, 2023Observed: 15.49 ft at 11:15PM Dec 04, 2023Observed: 15.47 ft at 11:30PM Dec 04, 2023Observed: 15.48 ft at 11:45PM Dec 04, 2023Observed: 15.47 ft at 12:00AM Dec 05, 2023Observed: 15.48 ft at 12:15AM Dec 05, 2023Observed: 15.48 ft at 12:30AM Dec 05, 2023Observed: 15.48 ft at 12:45AM Dec 05, 2023Observed: 15.48 ft at 1:00AM Dec 05, 2023Observed: 15.47 ft at 1:15AM Dec 05, 2023Observed: 15.48 ft at 1:30AM Dec 05, 2023Observed: 15.49 ft at 1:45AM Dec 05, 2023Observed: 15.49 ft at 2:00AM Dec 05, 2023Observed: 15.49 ft at 2:15AM Dec 05, 2023Observed: 15.49 ft at 2:30AM Dec 05, 2023Observed: 15.5 ft at 2:45AM Dec 05, 2023Observed: 15.5 ft at 3:00AM Dec 05, 2023Observed: 15.52 ft at 3:15AM Dec 05, 2023Observed: 15.48 ft at 3:30AM Dec 05, 2023Observed: 15.52 ft at 3:45AM Dec 05, 2023Observed: 15.5 ft at 4:00AM Dec 05, 2023Observed: 15.51 ft at 4:15AM Dec 05, 2023Observed: 15.53 ft at 4:30AM Dec 05, 2023Observed: 15.51 ft at 4:45AM Dec 05, 2023Observed: 15.51 ft at 5:00AM Dec 05, 2023Observed: 15.53 ft at 5:15AM Dec 05, 2023Observed: 15.52 ft at 5:30AM Dec 05, 2023Observed: 15.52 ft at 5:45AM Dec 05, 2023Observed: 15.52 ft at 6:00AM Dec 05, 2023Observed: 15.52 ft at 6:15AM Dec 05, 2023Observed: 15.52 ft at 6:30AM Dec 05, 2023Observed: 15.52 ft at 6:45AM Dec 05, 2023Observed: 15.52 ft at 7:00AM Dec 05, 2023Observed: 15.52 ft at 7:15AM Dec 05, 2023Observed: 15.51 ft at 7:30AM Dec 05, 2023Observed: 15.51 ft at 7:45AM Dec 05, 2023Observed: 15.52 ft at 8:00AM Dec 05, 2023Observed: 15.53 ft at 8:15AM Dec 05, 2023Observed: 15.53 ft at 8:30AM Dec 05, 2023Observed: 15.53 ft at 8:45AM Dec 05, 2023Observed: 15.53 ft at 9:00AM Dec 05, 2023Observed: 15.54 ft at 9:15AM Dec 05, 2023Observed: 15.54 ft at 9:30AM Dec 05, 2023Observed: 15.53 ft at 9:45AM Dec 05, 2023Observed: 15.53 ft at 10:00AM Dec 05, 2023Observed: 15.54 ft at 10:15AM Dec 05, 2023Observed: 15.54 ft at 10:30AM Dec 05, 2023Observed: 15.54 ft at 10:45AM Dec 05, 2023Observed: 15.56 ft at 11:00AM Dec 05, 2023Observed: 15.55 ft at 11:15AM Dec 05, 2023Observed: 15.56 ft at 11:30AM Dec 05, 2023Observed: 15.56 ft at 11:45AM Dec 05, 2023Observed: 15.56 ft at 12:00PM Dec 05, 2023Observed: 15.57 ft at 12:15PM Dec 05, 2023Observed: 15.59 ft at 12:30PM Dec 05, 2023Observed: 15.56 ft at 12:45PM Dec 05, 2023Highest Observation: 15.6 ft at 1:00PM Dec 05, 2023Observed: 15.52 ft at 1:15PM Dec 05, 2023Observed: 15.53 ft at 1:30PM Dec 05, 2023Observed: 15.55 ft at 1:45PM Dec 05, 2023Observed: 15.54 ft at 2:00PM Dec 05, 2023Observed: 15.55 ft at 2:15PM Dec 05, 2023Observed: 15.54 ft at 2:30PM Dec 05, 2023Observed: 15.53 ft at 2:45PM Dec 05, 2023Observed: 15.53 ft at 3:00PM Dec 05, 2023Observed: 15.55 ft at 3:15PM Dec 05, 2023Observed: 15.55 ft at 3:30PM Dec 05, 2023Observed: 15.56 ft at 3:45PM Dec 05, 2023Observed: 15.55 ft at 4:00PM Dec 05, 2023Observed: 15.54 ft at 4:15PM Dec 05, 2023Observed: 15.52 ft at 4:30PM Dec 05, 2023Observed: 15.51 ft at 4:45PM Dec 05, 2023Observed: 15.51 ft at 5:00PM Dec 05, 2023Observed: 15.51 ft at 5:15PM Dec 05, 2023Observed: 15.51 ft at 5:30PM Dec 05, 2023Observed: 15.53 ft at 5:45PM Dec 05, 2023Observed: 15.53 ft at 6:00PM Dec 05, 2023Observed: 15.54 ft at 6:15PM Dec 05, 2023Observed: 15.52 ft at 6:30PM Dec 05, 2023Observed: 15.51 ft at 6:45PM Dec 05, 2023Observed: 15.49 ft at 7:00PM Dec 05, 2023Observed: 15.49 ft at 7:15PM Dec 05, 2023Observed: 15.49 ft at 7:30PM Dec 05, 2023Observed: 15.49 ft at 7:45PM Dec 05, 2023Observed: 15.5 ft at 8:00PM Dec 05, 2023Observed: 15.5 ft at 8:15PM Dec 05, 2023Observed: 15.5 ft at 8:30PM Dec 05, 2023Observed: 15.5 ft at 8:45PM Dec 05, 2023Observed: 15.51 ft at 9:00PM Dec 05, 2023Observed: 15.51 ft at 9:15PM Dec 05, 2023Observed: 15.5 ft at 9:30PM Dec 05, 2023Observed: 15.49 ft at 9:45PM Dec 05, 2023Observed: 15.47 ft at 10:00PM Dec 05, 2023Observed: 15.49 ft at 10:15PM Dec 05, 2023Observed: 15.5 ft at 10:30PM Dec 05, 2023Observed: 15.46 ft at 10:45PM Dec 05, 2023Observed: 15.49 ft at 11:00PM Dec 05, 2023Observed: 15.5 ft at 11:15PM Dec 05, 2023Observed: 15.47 ft at 11:30PM Dec 05, 2023Observed: 15.49 ft at 11:45PM Dec 05, 2023Observed: 15.49 ft at 12:00AM Dec 06, 2023Observed: 15.49 ft at 12:15AM Dec 06, 2023Observed: 15.49 ft at 12:30AM Dec 06, 2023Observed: 15.35 ft at 12:45AM Dec 06, 2023Highest Forecast: 15.5 ft 6:00AM Dec 06, 2023Highest Forecast: 15.5 ft 12:00PM Dec 06, 2023Highest Forecast: 15.5 ft 6:00PM Dec 06, 2023Highest Forecast: 15.5 ft 12:00AM Dec 07, 2023Highest Forecast: 15.5 ft 6:00AM Dec 07, 2023Forecast: 15.4 ft 12:00PM Dec 07, 2023Forecast: 15.4 ft 6:00PM Dec 07, 2023Forecast: 15.4 ft 12:00AM Dec 08, 2023Forecast: 15.4 ft 6:00AM Dec 08, 2023Forecast: 15.4 ft 12:00PM Dec 08, 2023Forecast: 15.3 ft 6:00PM Dec 08, 2023Forecast: 15.3 ft 12:00AM Dec 09, 2023Forecast: 15.3 ft 6:00AM Dec 09, 2023Forecast: 15.2 ft 12:00PM Dec 09, 2023Forecast: 15.2 ft 6:00PM Dec 09, 2023Forecast: 15.2 ft 12:00AM Dec 10, 2023Forecast: 15.1 ft 6:00AM Dec 10, 2023Forecast: 15.1 ft 12:00PM Dec 10, 2023Forecast: 15.1 ft 6:00PM Dec 10, 2023Forecast: 15.1 ft 12:00AM Dec 11, 2023Forecast: 15 ft 6:00AM Dec 11, 2023Forecast: 15 ft 12:00PM Dec 11, 2023Forecast: 15 ft 6:00PM Dec 11, 2023Forecast: 15 ft 12:00AM Dec 12, 2023Forecast: 14.9 ft 6:00AM Dec 12, 2023Forecast: 14.9 ft 12:00PM Dec 12, 2023Forecast: 14.9 ft 6:00PM Dec 12, 2023USGS--Water Resources of the United StatesHNYI2(plotting HGIRG) Graph Created (1:07AM Dec 6, 2023)ObservedForecast (issued 8:15PM Dec 5)Latest observed value: 15.35 ft at 12:45 AM CST 6-Dec-2023. Flood Stage is 23 ft
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Tabular Data (UTC)
Tabular Data (CST)
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RSS Files
Datum: NAVD88
Metadata
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.

NOTE: Forecasts for the Illinois River near Henry are issued routinely year-round.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

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Upstream Gauge - near La Salle Upstream Gauge Downstream Gauge Downstream Gauge - at Chillicothe
Flood Categories (in feet)
Major Flood Stage: 31
Moderate Flood Stage: 24
Flood Stage: 23
Action Stage: 22
Low Stage (in feet): -9999

Historic Crests
(1) 32.94 ft on 04/22/2013
(2) 32.67 ft on 03/22/1979
(3) 32.20 ft on 05/23/1943
(4) 32.02 ft on 03/07/1985
(5) 31.62 ft on 05/21/2020
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 21.01 ft on 04/07/2023 (P)
(2) 21.33 ft on 03/09/2023 (P)
(3) 21.20 ft on 05/09/2022
(4) 22.84 ft on 04/08/2022
(5) 22.60 ft on 02/25/2022
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:15
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 Disclaimer
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
32.5 Illinois Route 18 in Marshall County is closed. Parts of Illinois Route 17 between Sparland and Lacon are closed.
32 Water begins flooding parts of Illinois Route 18 between Henry and Illinois Route 26. Parts of Illinois Route 17 begin to flood.
30.5 The Marina building, Waterworks Park, and grain loading facility in Henry are flooded.
29.6 A few homes begin to flood in Henry.
28.5 Hennepin levee overtopped.
28 Flooding begins to affect buildings east of Illinois Route 29 in Sparland.
23 Water begins to affect the marina in Henry along with minor flooding of land adjacent to the river.
Photos
(1) Looking Downstream (Stage: 15.45 ft)
(2) Looking Upstream (Stage: 15.45 ft)
(3) Gauge House
About This Location Collapse

Latitude: 41.107200° N, Longitude: 89.356200° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame		 Gauge Height Flood Stage Uses
NWS stage 0 ft 23 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 425.57 ft 448.57 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 425.88 ft 448.88 ft 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:
Additional Information Collapse
USGS Streamflow Duration Hydrograph
How low could the river get?
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Hydrologic Resources Additional Resources
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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
Lincoln Weather Forecast Office
1362 State Route 10
Lincoln, IL 62656
(217) 732-3089
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