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This probabilistic forecast is issued by the North Central River Forecast Center.
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About this graph
Forecasts for the Sangamon River at Petersburg are issued as needed during times of high water, but are not routinely available.
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Upstream Gauge - at Riverton Upstream Gauge Downstream Gauge Downstream Gauge - near Oakford
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 33
Moderate Flood Stage: 24
Flood Stage: 23
Action Stage: 18
Low Stage (in feet): -9999

Historic Crests
(1) 33.90 ft on 05/20/1943
(2) 30.75 ft on 05/14/2002
(3) 30.55 ft on 12/31/2015
(4) 29.84 ft on 04/14/1994
(5) 27.45 ft on 05/11/1996
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(P): Preliminary values subject to further review.

Recent Crests
(1) 23.60 ft on 06/25/2019 (P)
(2) 23.21 ft on 05/04/2019
(3) 17.47 ft on 03/17/2019 (P)
(4) 19.44 ft on 01/04/2019 (P)
(5) 23.92 ft on 05/07/2017
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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Gauge LocationGauge Map Marker
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
29 Route 123 is closed. Water overtops Illinois Midland railroad tracks at 4th Street.
25 Some residences on the east side of Petersburg flood.
23 Extensive agricultural and lowland flooding occurs.
22 Altig Bridge Ave. closed due to water over the west approach roadway.
21 Park and recreational land near the river in Petersburg is flooded.
15 Water begins to flood agricultural areas and local parks near the river.
(1) Looking Upstream (Stage: 6.45 ft)
(2) Looking Downstream (Stage: 6.45 ft)

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
USGS Streamflow Duration Hydrograph
How low could the river get?
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
National Weather Service
Lincoln Weather Forecast Office
1362 State Route 10
Lincoln, IL 62656
(217) 732-3089
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Page last modified: 5-Mar-2019 11:42 PM
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