Illinois River at Meredosia

1. 38.00 ftCoon Run Levee is overtopped.
2. 33.50 ftMcGee Creek Levee is overtopped.
3. 32.00 ftMauvaise Terre Levee is overtopped.
4. 31.00 ftMeredoisa Lake Levee is overtopped.
5. 29.80 ftBurlington Northern Railroad tracks and Levee at route 104 overtop.
6. 28.00 ftScott County and Northern Meredoisa Levees are overtopped and flood fighting activities begin at Willow Creek Lake and Dam.
7. 27.00 ftFlood fighting begins at Scott County... Coon Run... and Meredosia Lakes and Dams.
8. 26.40 ftFlood Fighting begins at Valley City Lake and Dam and floodwaters overtop Little Creek Levee.
9. 26.00 ftDamage begins to buildings in Meredosia. Also, the U.S. Coast Guard will consider closing the Illinois River between the LaGrange Lock and Dam and Montezuma.
10. 25.70 ftCemetary Road begins flooding west of Old Naples Road.
11. 25.40 ftFlood Fighting begins at Little Creek Lake and Dam.
12. 25.00 ftSmith Lake Road is flooded south of Meredosia.
13. 24.70 ftCounty Roads 1625E and 1675E begin to flood northwest of Meredosia.
14. 24.00 ftKochs Lane east of Shady Acres begins flooding.
15. 23.00 ftFlood fighting activities begin at Big Swan Lake and Dam.
16. 22.40 ftMeredosia Lake Road overtopped.
17. 22.20 ftLow roads in Florence overtopped.
18. 22.00 ftCargill Company in Florence begins flood fighting activities. Also, unloading operations are shut down at the Ameren power plant.
19. 21.00 ftChambers Road south of Naples floods at Mauvaise Terre Creek near this level.
20. 20.00 ftBeach Road just north of Shady Acres floods near this height.
21. 18.00 ftCity of Meredosia plugs storm sewer outlets.
22. 17.39 ftMeredosia boat dock floods.
23. 13.00 ftSunset Beach Road begins flooding about two miles north of Meredosia near this level.
24. 1.00 ftAt and below this height, barge traffic will need to consider lowering tonnage to avoid grounding.

Most recent crests

• May 6, 2024: 18.70 ft
• February 6, 2024: 17.96 ft
• April 14, 2022: 17.61 ft
• July 17, 2021: 17.98 ft
• May 27, 2020: 25.39 ft
• January 22, 2020: 17.45 ft
• June 4, 2019: 28.39 ft
• April 4, 2019: 20.69 ft
• February 27, 2019: 17.04 ft
• February 18, 2019: 17.68 ft

• UpstreamIllinois River at LaGrange Lock and Dam
• DownstreamIllinois River at Valley City
• La Moine River at Ripley
• Illinois River at Beardstown
• Sangamon River at Chandlerville
• Mississippi River at Clarksville Lock and Dam 24
• Sangamon River at Oakford
• Mississippi River at Louisiana

Forecasts by the North Central River Forecast Center. Forecasts are issued routinely year-round. 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. 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.

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.