Niobrara River at Mariaville, NE
River level and flood forecast · Keya Paha County
Normal3.1 ftas of Mon 2:45 PM
The river is 2.9 ft below flood stage (6 ft).
Flow: 1,010 cubic feet per second (USGS).
The last 7 days and the forecast
NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.
Flood stages
| Major flood stage | 9 ft |
| Moderate flood stage | 7 ft |
| Flood stage | 6 ft |
| Action stage | 5.5 ft |
| Record crest (March 14, 2019) | 7.72 ft |
What floods at each level
From the National Weather Service, highest first.
- 9 ftMajor flood stage with significant flooding along the river.
- 7 ftModerate flood stage. Moderate flooding is possible. Lowlands along the river will be impacted by rising water levels.
- 6 ftFlood stage. Minor flooding along the lower banks.
- 5.5 ftMinor flooding of lowland directly along the river. Recreational interest's along and on the river may be impacted.
Highest crests on record
- 7.72 ft — March 14, 2019
- 6.83 ft — January 9, 2014
- 6 ft — March 6, 2018
- 5.84 ft — February 28, 2024
- 5.57 ft — February 16, 2017
Recent crests: 5.84 ft (February 28, 2024) · 3.55 ft (July 18, 2023) · 3.64 ft (April 30, 2022) · 3.7 ft (March 17, 2021) · 4.28 ft (February 19, 2021)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (NISN1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.