South Omaha Creek at Walthill, NE
River level and flood forecast · Thurston County
Normal6.6 ftas of Mon 3 PM
The river is 13.4 ft below flood stage (20 ft).
Flow: 8 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 | 24.5 ft |
| Moderate flood stage | 23 ft |
| Flood stage | 20 ft |
| Action stage | 18.5 ft |
| Record crest (June 13, 1957) | 24.92 ft |
What floods at each level
From the National Weather Service, highest first.
- 33 ftWater begins to flow over the bridge at the gage site.
- 30 ftWater reaches the bottom of the bridge at the gage site.
- 19 ftWater begins to overflow the banks near the gage.
Highest crests on record
- 24.92 ft — June 13, 1957
- 24.87 ft — June 20, 1954
- 24.63 ft — March 13, 2019
- 23.05 ft — June 25, 2018
- 21.67 ft — February 18, 1971
Recent crests: 8.83 ft (July 11, 2025) · 11.35 ft (June 16, 2024) · 11.03 ft (February 14, 2023) · 7.41 ft (May 17, 2022) · 8.1 ft (February 25, 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 (WHLN1); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.