Rivers in Alaska
Montana Creek at Mendenhall Loop Road Bridge near Auke Bay
Below flood stage
11.26ftStage
Observed Wed, Sep 30, 2:00 PM UTC
- Flood stage
- 14.50 ft
- Record crest
- 17.36 ft1998
Flood stages and impacts
| Category | Stage |
|---|---|
| Major flood | 17.50 ft |
| Moderate flood | 17.00 ft |
| Minor flood | 14.50 ft |
| Action | 14.00 ft |
- 20.00 ftWater completely covers Back Loop Road to a depth of 3 feet. The residence on Northwest side of Mendenhall Loop Road will experience major flooding, with water over stem walls and possibly flowing into homes. Surrounding yards and driveways will be covered by at least 3 feet of water.
- 18.00 ftWater will be flowing across Back Loop Road near the Montana Creek bridge up to 1 foot in depth and will likely force the closure of the road. Residence on the Northwest side of Mendenhall Loop Road will flood to the top of foundation with several feet of water covering driveways and surrounding yards. As much as 3 feet of water is possible over the low water crossing on Montana Creek Road.
- 17.00 ftThis is an estimate of the stage where the Mendenhall Loop Road near the Montana Creek gauge begins to flood. Houses on NE side of Mendenhall Loop Road will have water up to the foundation and become surrounded by water.
- 15.50 ftUp to one half foot of water will flow over the low water crossing on Montana Creek Road after the community gardens. Water will approach and begin to inundate yards of residences along the Northwest side of Mendenhall Loop Road.
- 14.50 ftWater begins flowing over the low water crossing on Montana Creek Road. Bankfull conditions at the gauge with water starting to inundate adjacent undeveloped fields along Mendenhall Loop Road.
Flood outlook
Chance of flooding, October to December
| Category | Chance |
|---|---|
| Minor flooding | Under 5% |
| Moderate flooding | Under 5% |
| Major flooding | Under 5% |
The three-month chances are the River Forecast Centers’ long-range flood outlook, issued October 1, 2025.
Crest history
50 crests on NOAA’s list since 1966.
| # | Date | Stage |
|---|---|---|
| 1 | October 20, 1998 | 17.36 ft |
| 2 | September 25, 1996 | 16.80 ft |
| 3 | August 23, 1966 | 16.77 ft |
| 4 | July 9, 2013 | 16.77 ft |
| 5 | November 19, 2005 | 16.58 ft |
| 6 | August 24, 1974 | 16.58 ft |
| 7 | September 10, 1995 | 16.42 ft |
| 8 | September 29, 1970 | 16.32 ft |
| 9 | January 22, 2022 | 16.08 ft |
| 10 | August 13, 2021 | 16.00 ft |
| 11 | September 21, 2013 | 15.97 ft |
| 12 | August 20, 2011 | 15.92 ft |
| 13 | October 27, 2017 | 15.91 ft |
| 14 | October 20, 1999 | 15.82 ft |
| 15 | September 20, 2022 | 15.79 ft |
| 16 | October 6, 1972 | 15.76 ft |
| 17 | August 17, 2009 | 15.74 ft |
| 18 | November 26, 2002 | 15.73 ft |
| 19 | August 12, 2023 | 15.70 ft |
| 20 | October 4, 2006 | 15.69 ft |
| 21 | July 28, 1968 | 15.67 ft |
| 22 | September 23, 2004 | 15.62 ft |
| 23 | August 4, 1972 | 15.54 ft |
| 24 | December 3, 2024 | 15.53 ft |
| 25 | January 14, 2014 | 15.48 ft |
Most recent crests
- December 3, 2024: 15.53 ft
- July 15, 2024: 15.05 ft
- October 8, 2023: 14.85 ft
- October 6, 2023: 14.57 ft
- September 22, 2023: 14.50 ft
- August 12, 2023: 15.70 ft
- September 20, 2022: 15.79 ft
- January 22, 2022: 16.08 ft
- August 13, 2021: 16.00 ft
- August 10, 2020: 14.70 ft
Nearby
Upstream, downstream and the gauges around this one.
What this means
Forecasts by the Alaska Pacific River Forecast Center. Forecasts are issued routinely during the warm season, and as needed at other times of the year. Gage data do not meet the quality standards of USGS gages. Stage may be affected by ice during winter months.
Sources
Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service.