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 March 2024. Existing AHPS content and features will be preserved and expanded within NWPS.

Experimental National Water Center Products: Flood Inundation Mapping services are now available for 10% of the U.S. population. Please visit https://www.weather.gov/owp/operations for more information. The National Hydrologic Discussion, Area Hydrologic Discussion, Flood Hazard Outlook, and real-time geospatial services depicting River Forecast Center and National Water Model forecasts, continue to be accessible via the URL above, as described in the StoryMap here.

Weather Forecast Office Lincoln, IL

North Central River Forecast Center

Hydrograph

River at a Glance

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Probability Information Weekly Chance of Exceeding Levels Chance of Exceeding Levels During Entire Period Short-term Probabilistic Guidance (Experimental) Not Available

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Printable Image About this graph Tabular Data (UTC) Tabular Data (CDT) Datum: NGVD29 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 Illinois River at Peoria are issued routinely year-round.

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Upstream Gauge

Downstream Gauge

Flood Categories (in feet) Major Flood Stage: 28 Moderate Flood Stage: 22 Flood Stage: 18 Action Stage: 17 Low Stage (in feet): -9999 Historic Crests (1) 29.35 ft on 04/23/2013 (2) 28.80 ft on 05/23/1943 (3) 28.70 ft on 03/23/1979 (4) 28.40 ft on 03/07/1985 (5) 28.00 ft on 05/07/2019 Show More Historic Crests (P): Preliminary values subject to further review. Recent Crests (1) 17.15 ft on 04/07/2023 (P) (2) 17.48 ft on 03/10/2023 (P) (3) 17.16 ft on 05/11/2022 (4) 19.21 ft on 04/09/2022 (5) 18.52 ft on 02/26/2022 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. Show FEMA's National Flood Hazard Layers FEMA's National Flood Hazard Layers not showing? Why aren't the FEMA National Flood Hazard Layers showing on the ESRI Map? Possible reasons: There are no FEMA National Flood Hazard Layers for the location which you are viewing on ESRI Maps. The FEMA Web Mapping Service (WMS) is down. Note: Your zoom level may have changed. ESRI's zoom levels must be between 14 and 16 to show National Flood Hazard layers.

Zoom Level:14 Legend FEMA Layer Gauge Location 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

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35.2	Komatsu levee overtops.
30.6	The Peoria Sanitary District Levee overtopped at 30.6 feet.
30	Water overtops the levee at the Pekin sewage treatment plant.
29	Water overtops Pekin and LaMarsh levee at the railroad crossing. Constitution Avenue becomes inundated.
28.7	Four blocks of Water Street in Peoria are inundated.
28.5	Water reaches the lowest door sill elevations in the 300 block of SW Water Street in Peoria.
28	Entire length of Lake Street in Spring Bay is inundated.
27.5	Water begins to flood the 100 block of NE Water Street in Peoria.
27	Water begins to flood the 300 block of SW Water Street in Peoria.
26.5	Several houses in Rome and Chillicothe become isolated. Homes on Sunset Drive between North Avenue and Collins Avenue...4 miles SSW of Bay View Gardens...are surrounded by water. In Spring Bay...North Lake Street from Missouri Street to Zimmerman Road is flooded.
26.4	Water reaches the lowest door sill elevation of Peoria's historic River Station building on Water Street.
26	Water inundates road by the railroad track north of the Pekin treatment plant. Liberty Park in Peoria is flooded.
25.6	Water crosses South Darst Street in Peoria.
25.1	A portion of Layne Crossing and North Street are closed in the Rome and Chillicothe areas. Poplar Lane floods in Peoria Heights.
25	Damage begins at Pekin sewage treatment plant. Minor property damage in Peoria by the river.
24.5	A portion of River Beach Drive and Second Street become flooded in the Chillicothe and Rome areas.
24	Water begins to cover some streets in East Peoria.
23	Some secondary roads affected in Peoria county and damage begins to buildings in Rome.
22.7	Flooding begins to low lying areas in Peoria Heights and Peoria's Riverfront Park.
18	Some flooding begins to bottomland not protected by levees.
17.5	Water approaches Spring Bay Park.
16.7	Pumping begins in East Peoria near the train yard and Wesley Slough.
Photos (1) Looking Downstream (2) Looking Upstream

About This Location

Latitude: 40.703339° N, Longitude: 89.561251° W, Horizontal Datum: NAD83/WGS84 River Stage Reference Frame Gauge Height Flood Stage Uses NWS stage 0 ft 18 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 Not Available Not Available Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps NGVD 29 428.40 ft 446.40 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: Corps of Engineers (COE) Info for Peoria

Additional Information

How low could the river get?

Resources

Hydrologic Resources Text Products Past Precipitation Forecast Precipitation River Forecast Centers River Stage Summary Precipitation Frequency Information Inundation Mapping Locations NCRFC Ensemble River Forecasts OHRFC Ensemble River Forecasts OHRFC Water Resources Outlook

Additional Resources Area Hydrographs NWS Precipitation and River Forecasting AHPS Iframes for Developers Mobile iNWS for emergency management Snow Cover Information Palmer Drought Index U.S. Drought Monitor Seasonal Drought Outlook USGS - Central Midwest Water Science Center USGS WaterAlert USGS (map of sites) USGS (table of sites) USGS National Water Dashboard US Army Corps of Engineers

Collaborative Agencies 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 Ask Questions/Webmaster Page last modified: 2-Nov-2020 7:29 PM Disclaimer Credits Glossary Privacy Policy About Us Career Opportunities