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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 Molalla River near Canby are issued routinely year-round.
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Zoom Level:15
Flood Categories (in feet)
Major Flood Stage: 25
Moderate Flood Stage: 0
Flood Stage: 23
Action Stage: 20
Low Stage (in feet): 0

Historic Crests
(1) 26.76 ft on 12/22/1964
(2) 25.45 ft on 01/21/1972
(3) 25.00 ft on 11/24/1960
(4) 24.90 ft on 01/07/1948
(5) 24.60 ft on 02/07/1996
Show More Historic Crests

(P): Preliminary values subject to further review.

Recent Crests
(1) 23.00 ft on 01/20/2012
(2) 23.06 ft on 01/02/2009
(3) 24.00 ft on 11/10/1996
(4) 24.60 ft on 02/07/1996
(5) 24.43 ft on 01/15/1974
Show More Recent Crests

(P): Preliminary values subject to further review.

Low Water Records
Currently none available.
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
25 Above 25 ft, expect major flooding from Canby to the Willamette River. Historically, businesses along Hwy 99E in West Canby have been threatened by high water at this point. Flooding in the community of Barlow can be expected at this and higher stages, along with flooding of numerous homes and agricultural land.
24 Above 24 ft, expect widespread flooding of agricultural land and secondary roads. Historically, buildings and other structures in the lower sections of the river from Canby downstream to the confluence with the Pudding River begin to flood at this point.
23 Above 23 ft, expect flooding of low-lying agricultural land from Canby downstream to the confluence with the Pudding River. Some secondary roads and a few structures may begin to flood.
Photos
(1) USGS gage house
(2) Upstream view from Ivy Street Bridge
(3) Downstream view from Ivy Street Bridge

Other Real-time and/or Archive Data Sources:

Additional Information Collapse
10-day Forecast/Trend, Northwest River Forecast Center
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
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Portland, OR 97230-1089
(503) 261-9246
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Page last modified: 21-Dec-2016 10:35 PM
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