St. John River at Nine Mile Bridge, ME
River level and flood forecast · Aroostook County
The river is 14.2 ft below flood stage (15 ft).
Flow: 224 cubic feet per second (USGS).
Much lower than normal for October 13.
Usual for October 13: 454 to 2,800 cubic feet per second (the middle half of 76 years).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 7 PM. Forecasts change as rain falls and as upstream water arrives.
Get flood alerts for this river
An email when the National Weather Service forecasts St. John River at Nine Mile Bridge to flood, when it floods, and when it's over.
Flood stages
| Major flood stage | 23 ft |
| Moderate flood stage | 20 ft |
| Flood stage | 15 ft |
| Action stage | 13 ft |
| Record crest (April 11, 1991) | 23 ft |
What floods at each level
From the National Weather Service, highest first.
- 23 ftWidespread flooding of trails and campgrounds along The St. John River from Moody Campground to Seven Islands and the Blanchette/Maibec Road Bridge. Additional widespread flooding of campgrounds from Priestly Rapids to the confluence of the Big Black River. Significant flooding of the low areas along the Daaquam Road upstream of the former Moody Bridge. Potential bridge washouts from the St. Juste Road downstream to the Maibec Road. Flooding similar to April 1991.
- 21 ftThe Daaquam and Realty Road is impassable in sections along the branch of the St. John River from Daaquam, Quebec border downstream to near the former Moody Bridge. Dangerous flows threaten the St. Juste Road crossing and structures near the Red Pine Grove Airfield.
- 20 ftSeveral campgrounds in the North Woods flooded including Moody, Burntland Brook, Nine Mile, East Nine Mile, Connors Farm, Seven Island, Priestly, Simmons Farm, Basford Rips and Big Black.
- 15 ftMinor flooding occurs in campgrounds between Burntland Brook to Priestly Rapids with backwater issues on small streams and creeks. Minor flooding near the Red Pines Grove Airfield area off Realty Road.
- 14 ftDangerous flows encroach on the Red Pine Grove Airfield and the nearby Red Pines Boat Launch off Realty Road, downstream of the former Moody Bridge.
- 13 ftThe river approaches bankfull. Dangerous flows threaten the bridge on Maibec Road and the Realty Road located upstream of the former Moody Bridge. Water will be nearing the edge of the St. Juste Road crossing, and additional low water crossings are becoming impassable.
Highest crests on record
- 23 ft — April 11, 1991
- 20 ft — April 2, 1976
- 19.44 ft — April 2, 2016
- 19.07 ft — April 16, 2019
- 18.8 ft — April 16, 1994
Recent crests: 9.7 ft (April 18, 2026) · 7.78 ft (April 28, 2025) · 9.02 ft (April 14, 2024) · 9.75 ft (April 17, 2022) · 8.06 ft (May 4, 2020)
Highest flow on record
47,700 cubic feet per second — April 23, 2019. From the USGS's yearly peaks since 1951.
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (NINM1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.