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Hydrograph River at a Glance Download
Willow Creek at Parks Highway Stage (ft)Observed: 6.3 ft at 5:00PM Mar 15, 2023Observed: 6.72 ft at 10:00PM Mar 15, 2023Observed: 6.45 ft at 5:00AM Mar 16, 2023Observed: 6.5 ft at 10:00AM Mar 16, 2023Observed: 6.13 ft at 4:00PM Mar 16, 2023Highest Observation: 6.79 ft at 1:00AM Mar 17, 2023Observed: 6.61 ft at 4:00AM Mar 17, 2023Observed: 6.47 ft at 10:00AM Mar 17, 2023Observed: 6.55 ft at 5:00AM Mar 18, 2023Observed: 6.48 ft at 10:00AM Mar 18, 2023Observed: 6.19 ft at 10:00PM Mar 18, 2023Observed: 6.33 ft at 10:00AM Mar 19, 2023Observed: 6.18 ft at 10:00PM Mar 19, 2023Observed: 6.2 ft at 4:00AM Mar 20, 2023Observed: 5.87 ft at 4:00PM Mar 20, 2023Observed: 6.31 ft at 10:00PM Mar 20, 2023Observed: 6.06 ft at 10:00AM Mar 21, 2023Observed: 5.95 ft at 5:00PM Mar 21, 2023Observed: 6.62 ft at 10:00PM Mar 21, 2023Observed: 6.67 ft at 5:00AM Mar 22, 2023Observed: 4.73 ft at 10:00AM Mar 22, 2023WILA2(plotting HGIRZ) Graph Created (12:01PM Mar 22, 2023)ObservedLatest observed value: 4.73 ft at 10:00 AM AKDT 22-Mar-2023. Flood Stage is 10 ft
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About this graph
Tabular Data (UTC)
Tabular Data (AKDT)
XML Data
RSS Files
Datum: NAVD88
NOTE: Gage data do not meet the quality standards of USGS gages.

NOTE: Stage may be affected by ice.

NOTE: Forecasts for the Willow Creek at Parks Highway are issued routinely during the warm season, and as needed at other times of the year.

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Upstream Gauge - near Willow Upstream Gauge
Flood Categories (in feet)
Major Flood Stage: 12.5
Moderate Flood Stage: 11.5
Flood Stage: 10
Action Stage: 9
Low Stage (in feet): -9999

Historic Crests
(1) 13.86 ft on 10/11/1986
(2) 13.35 ft on 09/21/2012 (P)
(3) 12.96 ft on 08/19/2006
(4) 11.10 ft on 09/29/2015 (P)
(5) 11.08 ft on 09/11/1975
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(P): Preliminary values subject to further review.

Recent Crests
(1) 9.92 ft on 08/28/2021 (P)
(2) 7.77 ft on 07/09/2017 (P)
(3) 9.45 ft on 09/13/2016 (P)
(4) 11.10 ft on 09/29/2015 (P)
(5) 8.88 ft on 06/26/2014 (P)
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(P): Preliminary values subject to further review.

Low Water Records
Currently none available.

For more information on your flood risk go to

Zoom Level:8
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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.
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If you notice any errors in the below information, please contact our Webmaster
9 High water level -- Class IV whitewater in Willow Creek canyon
8.3 Medium water level -- Class IV whitewater in Willow Creek canyon
7.5 Low water level -- Class III whitewater in Willow Creek canyon
(1) Gage
(2) Looking Downstream on 6/17/2019
(3) Looking Upstream on 6/17/2019
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Latitude: 61.766667° N, Longitude: 150.066667° W, Horizontal Datum: NAD83/WGS84

River Stage
Reference Frame
Gauge Height Flood Stage Uses
NWS stage 0 ft 10 ft Interpreting hydrographs and NWS watch, warnings, and forecasts, and inundation maps
Vertical Datum Elevation
(gauge height = 0)
(gauge height = flood stage)
Elevation information source
NAVD88 144.30 ft 154.30 ft Survey grade GPS equipment, FEMA flood plain maps, newer USGS topographic maps
NGVD 29 Not Available Not Available Older USGS topographic maps, NGVD29 benchmarks
MSL Not Available Not Available Older USGS topographic maps, MSL benchmarks
Other Not Available Not Available  
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Long-term Hydrograph
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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
Anchorage Weather Forecast Office
6930 Sand Lake Road
Anchorage, AK 99502
(907) 266-5160
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