Rivers in North Dakota

Maple River (ND) near Mapleton (South of I-94)

Cass County, North DakotaNWS MPLN8USGS 05060000Grand Forks office

Below flood stage
8.68ftStage

Observed Thu, Sep 24, 2:15 PM CDT

Flood stage
18.00 ft
Record crest
23.43 ft2006

Open the live map with the river flood outlook

Flood stages and impacts

CategoryStage
Major flood23.00 ft
Moderate flood21.00 ft
Minor flood18.00 ft
Action14.00 ft
  1. 23.00 ftMAJOR FLOOD.
  2. 21.00 ftMODERATE FLOOD.
  3. 20.00 ftFlooding begins on high ground near gage.
  4. 18.00 ftMINOR FLOOD.
  5. 17.30 ftFlooding of fields south of gage starts to occur.
  6. 15.00 ftAgricultural flooding begins and some township roads flooded.
  7. 14.00 ftACTION STAGE/FORECAST SERVICE STAGE. Overflow of low bank begins.

Flood outlook

Chance of flooding, September to November

CategoryChance
Minor floodingUnder 5%
Moderate floodingUnder 5%
Major floodingUnder 5%

The three-month chances are the River Forecast Centers’ long-range flood outlook, issued August 28, 2026.

Crest history

44 crests on NOAA’s list since 1959.

#DateStage
1April 1, 200623.43 ft
2April 7, 201123.34 ft
3March 25, 200923.30 ft
4April 8, 200123.15 ft
5March 17, 201023.01 ft
6April 4, 201922.47 ft
7June 15, 200522.34 ft
8April 19, 202322.30 ft
9April 8, 202022.24 ft
10April 24, 202221.74 ft
11October 13, 201921.16 ft
12April 27, 201320.51 ft
13June 18, 200719.71 ft
14April 19, 201819.47 ft
15May 19, 201519.09 ft
16June 13, 200818.98 ft
17August 9, 202518.84 ft
18February 21, 201718.09 ft
19April 30, 201417.27 ft
20May 25, 202416.99 ft
21July 13, 200416.61 ft
22July 2, 197515.03 ft
23April 11, 196914.00 ft
24June 10, 200213.89 ft
25March 16, 196613.71 ft

Most recent crests

  • April 13, 2026: 13.69 ft
  • August 9, 2025: 18.84 ft
  • May 25, 2024: 16.99 ft
  • April 19, 2023: 22.30 ft
  • April 24, 2022: 21.74 ft
  • March 8, 2021: 9.30 ft
  • April 8, 2020: 22.24 ft
  • October 13, 2019: 21.16 ft
  • April 4, 2019: 22.47 ft
  • April 19, 2018: 19.47 ft

Nearby

Upstream, downstream and the gauges around this one.

What this means

Forecasts by the North Central River Forecast Center. Forecasts are issued as needed during times of high water, but are not routinely available. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 24 hours into the future from the forecast issuance time. River forecasts for this location take into account past precipitation and the precipitation amounts expected approximately 48 hours into the future from the forecast issuance time. Stage may be affected by ice during winter months.

Sources

Stage, flood stages, impacts and crest history from NOAA’s National Water Prediction Service. Streamflow and the daily record from the U.S. Geological Survey.