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This probabilistic forecast is issued by the Northwest River Forecast Center.
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About this graph
Forecasts for the St Joe River at St Maries are issued routinely year-round.

Vertical Datum references a local datum

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Upstream Gauge - at Calder Upstream Gauge
Zoom Level:14
Flood Categories (in feet)
Major Flood Stage: 38
Moderate Flood Stage: 36
Flood Stage: 32.5
Action Stage: 31
Low Stage (in feet): 20

Historic Crests
(1) 42.20 ft on 12/23/1933
(2) 42.00 ft on 02/10/1996
(3) 41.40 ft on 01/16/1974
(4) 39.40 ft on 12/24/1964
(5) 39.20 ft on 05/29/1948
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 33.22 ft on 05/06/2023 (P)
(2) 33.61 ft on 06/15/2022
(3) 29.36 ft on 06/03/2021
(4) 30.56 ft on 05/22/2020
(5) 31.66 ft on 04/11/2019
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
(1) 20.00 ft on 11/30/1979
(2) 22.77 ft on 12/18/2020
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
36.5 Extensive lowland flooding will occur along the St Joe and St Maries River valleys. Water will be several feet deep around the homes on Highway 3 between Delphi Lane and Goosehaven Dr. The southwest corner of the IGA parking lot will be flooded and approaching Zip's drivethrough. The corner of 1st and Riverside will be flooded, water will be around the building east of 1st street, and Riverside will Ave be flooded at the Highway 3 undercrossing. Parking lots at Highway 3 and Milwaukee Rd will be flooded.
36 Extensive lowland flooding is likely. Some sections of the St Joe River Road may be inundated. Water will approach the flood gates in the levee at the Aqua Park.
35 Water will be up to Aqua Avenue in St Maries near Leeve hill and walking trail.
33 Water may be over St Joe City Road, east of St. Maries to Calder.
32.5 Minor flooding will occur throughout the low lying areas of the St Joe Valley. Water will be observed behind levees due to seepage. Minor flooding of the Aqua Park's boat launch and swim beach along the river's edge. Outbuildings along the river that are not behind levees may be flooded.

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
This gage is now owned and operated by the USGS as of September 10, 2014.
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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
Spokane Weather Forecast Office
2601 N. Rambo Rd.
Spokane, WA 99224
(509) 244-0110
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Page last modified: 2-Nov-2020 7:27 PM
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