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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 Bourbeuse River at Union are issued as needed during times of high water, but are not routinely available.

Vertical Datum updated from NGVD29 to NAVD88 by gauge owner.

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Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 26
Moderate Flood Stage: 22
Flood Stage: 15
Action Stage: 13
Low Stage (in feet): -9999

Historic Crests
(1) 34.31 ft on 12/29/2015
(2) 33.80 ft on 12/05/1982
(3) 29.38 ft on 05/02/2017
(4) 28.50 ft on 08/22/1915
(5) 27.77 ft on 04/13/1994
(6) 26.37 ft on 07/09/1993
(7) 25.89 ft on 03/21/2008
(8) 24.53 ft on 05/07/2000
(9) 24.44 ft on 07/01/1957
(10) 23.89 ft on 01/07/2005
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 15.14 ft on 04/04/2024 (P)
(2) 19.60 ft on 08/05/2023
(3) 17.29 ft on 03/06/2023
(4) 18.18 ft on 05/24/2022
(5) 22.72 ft on 05/08/2022
(6) 15.37 ft on 02/02/2021
(7) 15.29 ft on 03/22/2020
(8) 16.91 ft on 01/20/2020
(9) 20.62 ft on 01/14/2020
(10) 15.13 ft on 02/09/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 0.40 ft on 10/01/1948
(2) 0.40 ft on 09/01/1948
(3) 0.40 ft on 06/01/1936
Show More Low Water Records
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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
31.7 At this height, the McDonald's restaurant at U.S. Hwy 50 and Missouri Hwy 47 will begin flooding without additional protection. They can install flood panels around the restaurant to add an additional 3 feet of protection to this height.
31.3 U.S. Highway 50 will be closed near this height in both directions near the Bourbeuse River bridge.
31 Near this height...Missouri State Highway 47 will be closed in both directions just north of U.S. Highway 50.
29.6 Phillips 66 at East Main and Highway 47 North floods at floor level.
29.2 Shades of Gold salon and the video store on U.S. Highway 50 begin to flood.
28.9 Mistler's Oak Furniture on Missouri Highway 47 begins to flood from Fenton Creek backwater.
26.9 Parking lot at Mistlers Oak Furniture begins to flood.
26.6 Dickie-Bub True Value Farm and Home begins to flood at floor level.
26.4 The Dollar General store begins to flood.
25.6 Water enters the lift station behind Dollar General store.
25.2 State Highway AT floods near the intersection with State Highway O near the I-44 bridge over the Bourbeuse River.
24.5 Water begins flooding the streets and property of the Bourbeuse Camp Trailer Park at Missouri Highway AT and U.S. Highway 50.
24.2 Water enters the upper floor at Crystal Ice and Fuel. Also, North Bend Loop Road south of Union begins flooding near this height.
23.6 Lower floor of Crystal Ice and Fuel begin to flood.
23.5 Parking lot at East Main Street and East State Street is covered.
23.4 East Main Street is closed.
23 Old Rock Road begins to flood.
22.5 Water begins covering East Main Street.
22.3 The lower quarter of the parking lot at the Dollar General and True Value stores is flooded.
21.9 Water begins covering Old County Farm Road.
21 Near this height, water begins covering Highway O between Highway AM and American Inn Road.
19.8 Near this height, Missouri State Route UU is closed in both directions.
17 Flat Creek backs up to Smeltzer's Park.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
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
St. Louis Weather Forecast Office
12 Missouri Research Park Drive
St. Charles, MO 63304
(636) 441-8467
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Page last modified: 2-Nov-2020 7:29 PM
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