Big Creek near Blairstown, MO
River level and flood forecast · Henry County
Normal8.1 ftas of Mon 2 PM
The river is 11.9 ft below flood stage (20 ft).
Flow: 1 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 | 36 ft |
| Moderate flood stage | 23 ft |
| Flood stage | 20 ft |
| Action stage | 15 ft |
| Record crest (July 6, 2019) | 28.59 ft |
What floods at each level
From the National Weather Service, highest first.
- 26 ftMany farm levees along Big Creek are overtopped. Flooding of rural areas behind the levees occurs.
- 23 ftFlooding occurs at the west approach to the N Highway bridge located 0.2 miles west of Blairstown. Flooding also occurs across B Highway near Big Creek which is several miles northwest of Blairstown.
- 20 ftThe west bank of the creek begins to flood.
Highest crests on record
- 28.59 ft — July 6, 2019
- 27.85 ft — July 31, 2020
- 27.43 ft — April 28, 2024
- 27.3 ft — July 1, 2007
- 27.18 ft — April 3, 2014
Recent crests: 20.83 ft (May 31, 2026) · 25.35 ft (May 19, 2026) · 26.1 ft (April 28, 2026) · 21.86 ft (April 18, 2026) · 22.41 ft (April 14, 2026)
Up and down the river, and nearby
Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (BLRM7); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.