North Fork Big Nemaha River at Humboldt, NE
River level and flood forecast · Richardson County
Normal2.2 ftas of Mon 3 PM
The river is 25.8 ft below flood stage (28 ft).
Flow: 63 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 | 31 ft |
| Moderate flood stage | 29.5 ft |
| Flood stage | 28 ft |
| Action stage | 26 ft |
| Record crest (July 10, 1958) | 34.7 ft |
What floods at each level
From the National Weather Service, highest first.
- 48 ftThe railroad tracks on the south side of Humboldt overtop.
- 41 ftWater nears the bottom of the bridge, Highway 105, located at the gage site. In addition, at this level the gage house is impacted.
- 36 ftFlooding occurs along the right bank near the gage.
- 28 ftOverflows can occur near the lower reaches around Salem.
- 27 ftSignificant lowland flooding along the middle reaches of the basin becomes more widespread.
- 23 ftLowland flooding occurs along low banks in the middle reaches of the basin affecting pasture and farm lands.
Highest crests on record
- 34.7 ft — July 10, 1958
- 34.25 ft — August 13, 1982
- 31.48 ft — June 17, 1954
- 31.3 ft — July 22, 1978
- 28.25 ft — July 30, 1992
Recent crests: 18.69 ft (September 23, 2025) · 6.25 ft (May 7, 2024) · 8.22 ft (April 20, 2023) · 12.1 ft (May 26, 2022) · 13.72 ft (March 15, 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 (HBLN1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.