Meramec River Flow Today
As of October 2, 2026 at 5:00 AM, the Meramec River is flowing at 493 cfs near Eureka, MO — 74% of normal for the date and up 2% in 24 hours. 5 of 5 USGS gauges reported in the last 3 days; flows range from 18 to 493 cfs. ❤ Favorite
Meramec River map
See the Meramec River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
- Dams & paddle runs — storage and what’s in range
- Rain — past 24 hrs and the 72-hr forecast, press play
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Meramec River conditions today
Where the river is running versus normal, what’s rising or dropping, and what it means for a trip — built from the live USGS readings below.
At Eureka, the Meramec River is running 493 cfs — 74% of normal, up 2% since yesterday. Along the river, 5 of 5 reporting gauges are below normal (the typical gauge is at 74% of normal).
Paddlers: 0 of 1 runs on the Meramec River with a live range are in range, 1 too low.
How the Meramec River compares to normal
Every reporting gauge from the top of the river to the bottom: bar length is today’s flow, colour is percent of normal for the date.
Flow along the river, upstream to downstream
- Cook Station877 ft 18 cfs73%
- Steelville688 ft 166 cfs86%
- Sullivan577 ft 294 cfs74%
- Pacific432 ft 431 cfs85%
- Eureka407 ft 493 cfs74%
Bar length uses a square-root scale so small headwater flows stay visible next to big downstream ones. Colour: <50% 50–90 90–110 110–150 150%+ of normal.
Where every gauge sits
One dot per Meramec River streamgauge, placed by its own percent of normal. The line is the typical gauge (74%).
Meramec River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Meramec River At Cook Station MO
Oct 2, 5:00 AM · USGS 07010350 |
18 cfs | 73% | +5% | 2.05 ft | · | 877 ft |
|
Meramec River Near Steelville MO
Oct 2, 5:15 AM · USGS 07013000 |
166 cfs | 86% | +2% | 1.30 ft | 10.7 ft below | 688 ft |
|
Meramec River Near Sullivan MO
Oct 2, 4:30 AM · USGS 07014500 |
294 cfs | 74% | +3% | 3.06 ft | 7.9 ft below | 577 ft |
|
Meramec River At Pacific MO
Oct 2, 5:00 AM · USGS 07017020 |
431 cfs | 85% | +1% | -1.57 ft | · | 432 ft |
|
Meramec River Near Eureka MO
Oct 2, 5:00 AM · USGS 07019000 |
493 cfs | 74% | +2% | 2.65 ft | 16.4 ft below | 407 ft |
USGS provisional data. Readings are in each gauge’s local time; gauges silent for more than 3 days are marked “Last reported”. Tap any gauge for its hydrograph, forecast and history.
Paddle runs on the Meramec River
Each run is checked against its runnable range using the gauge it is keyed to (or the nearest gauge on this river).
| Run | Status | Flow now | Runnable range | Class |
|---|---|---|---|---|
| State Highway 49 Bridge Near Dillard, Missouri To Forest Boundary In Sections 13/24, T38N, R3W Gauge: Steelville |
Too low | 166 cfs | 262–1,366 cfs typical | · |
Dams & reservoirs on the Meramec River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Meramec River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Meramec River
The Meramec River is a 218-mile-long tributary of the Mississippi River that flows through eastern Missouri. The river has played a significant role in the history of the region, serving as a transportation route for Native Americans and early settlers. The river has also been the site of several notable floods, including the devastating floods of 1993 and 2015. The river's hydrology is influenced by numerous tributaries, including the Bourbeuse and Big Rivers. The Meramec River is home to several reservoirs and dams, including the Meramec State Park Dam and the Fenton City Park Dam. These structures serve a variety of purposes, including flood control and hydroelectric power generation. The river is popular for recreational activities, including fishing, canoeing, and camping, and also supports a thriving agricultural industry.
About the Meramec River
How is the Meramec River flowing right now?
As of October 2, 2026, the Meramec River is flowing at 493 cfs near Eureka, MO, about 74% of normal for the date. Across its 5 USGS gauges, current flows range from 18 to 493 cfs. Every gauge’s live reading is in the table above.
Is the Meramec River running high or low?
The typical gauge on the Meramec River is at 74% of normal for the date. Above 100% means higher than the historical average for this calendar day; below 100% means lower. The profile above shows which reaches are high or low.
What is flood stage on the Meramec River?
The National Weather Service sets flood stages for Steelville (12.0 ft), Sullivan (11.0 ft), Eureka (19.0 ft). The table shows how far each gauge is below its flood stage right now.
Is the Meramec River runnable for paddling today?
Each run in the paddle table is checked against its runnable range using its gauge's live flow.
Where does the data come from?
Discharge and gage height are from the USGS National Water Information System; flood stages from the National Weather Service. The history chart sums every monitored gauge on the river.
Can I get alerts for a gauge?
Yes — open any gauge from the table, favorite it in the Snoflo app and set a flow threshold.