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This probabilistic forecast is issued by the North Central River Forecast Center.
tab left off Hydrograph tab right off tab left off River at a Glance tab right off tab left off Download tab right off tab left on tab right on
About this graph
Forecasts for the Sangamon River at Riverton are issued as needed during times of high water, but are not routinely available.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

Return to Area Map

Upstream Gauge - at Monticello Upstream Gauge Downstream Gauge Downstream Gauge - at Petersburg
Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 29
Moderate Flood Stage: 26
Flood Stage: 23
Action Stage: 17
Low Stage (in feet): -9999

Historic Crests
(1) 32.04 ft on 10/04/1926
(2) 31.52 ft on 05/19/1943
(3) 30.15 ft on 09/11/1926
(4) 30.13 ft on 12/31/2015
(5) 30.07 ft on 05/14/2002
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 18.33 ft on 03/05/2023 (P)
(2) 18.30 ft on 07/10/2022
(3) 15.99 ft on 05/07/2022
(4) 18.88 ft on 04/05/2022
(5) 19.47 ft on 02/23/2022
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 1.34 ft on 07/10/2012
KML Image
Gauge LocationGauge Map Marker
 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
30 All lanes of Business 55 covered by water at Riverside Park just north of Springfield.
29.5 IL Route 54 East of Bridge under water.
29 Damage begins to residences at the Holiday Estates subdivision in Spaulding.
28.5 Water begins to impact Riverton sewage treatment plant at 100 E. Jefferson Street.
27 Water enters the Dawson water treatment plant at 8313 Mechanicsburg Road.
19.9 Oak Crest Road just east of the river begins to flood.
19 Large areas of farmland inundated.
18 Waters inundate agricultural land near the river.
17.5 Water starts encroaching on Wheeland Park Campground.
Photos
(1) Looking Upstream (Stage: 18.99 ft)
(2) Looking Downstream (Stage: 18.99 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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