River stage
Eureka, Meramec River
- River level
- 2.61 ft
- Status
- Below flood stage
- 7-day change
- +0.00 ft
- Recent high
- 17.75 ft
- Recent low
- 2.60 ft
Last reported 2026-10-13 | NWS ERKM7
- 30-day change
- -0.13 ft
- Average
- 3.80 ft
- Readings
- 122
- Data span
- 122 days
- Record crest
- 46.11 ft
In brief
The Meramec River at Eureka, MO read 2.61 ft on Oct 13, 2026, 14.39 ft below action stage. That is 0.13 ft lower than 30 days earlier.
Source: National Weather Service gauge ERKM7
River level timeline
Stage threshold profile
Highest crests on record
| Rank | Crest | Date |
|---|---|---|
| 1 | 46.11 ft | 2017-05-03 |
| 2 | 46.06 ft | 2015-12-30 |
| 3 | 42.89 ft | 1982-12-06 |
| 4 | 42.20 ft | 1915-08-22 |
| 5 | 40.90 ft | 1994-04-14 |
| 6 | 40.06 ft | 2008-03-22 |
| 7 | 39.00 ft | 1916-02-01 |
| 8 | 38.90 ft | 1945-06-11 |
Flood crests recorded at this gauge by the National Weather Service.
What happens at each level
- 23.80 ft
Spring River Ranch Road begins flooding near this height on the east end.
- 24.50 ft
The athletic fields at Eureka Senior High School begin flooding near this height.
- 25.50 ft
Hornecker Road is closed near this height.
- 27.00 ft
The Route 66 State Park road to the equestrian trailhead and to the boat ramp is flooded.
- 28.00 ft
The lowest house on West Spring River Ranch Road begins flooding on the lower level. Also, at least one home on Willman Road begins flooding near this height.
- 29.70 ft
Near this height, the large pavilion floor and gazebo along Williams Road at Kircher Park in Eureka begin flooding.
- 32.50 ft
At this height, about 12 houses on Willman Road start flooding the main floors. On the river's north side, another 8 homes along West Spring River Ranch Road begin flooding.
- 32.90 ft
Near this height, the parking lot, restrooms, and smaller pavilion along Williams Road at Kircher Park in Eureka begin flooding.
- 34.00 ft
Numerous homes on West Spring River Ranch Road begin flooding at or slightly above this level.
- 35.00 ft
Lighthouse Storage property begins to flood. Shelters and roads within Route 66 State Park are also flooded at this level.
Written by the local National Weather Service forecast office for this exact gauge.
Frequently asked questions
Is the Meramec River flooding at Eureka?
No. The Meramec River at Eureka is at 2.61 ft, 14.39 ft below action stage.
What is the flood stage at Eureka?
The National Weather Service sets action stage 17 ft, minor flooding 19 ft, moderate flooding 26 ft and major flooding 31 ft.
What is the highest the Meramec River has been at Eureka?
The highest crest on record is 46.11 ft, on 2017-05-03.
Is the Meramec River high or low right now at Eureka?
At 2.61 ft it is higher than 1% of readings over the last 122 days.
Stage and flood information from the NOAA National Weather Service (gauge ERKM7); daily history from the U.S. Geological Survey (site 07019000). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.