Cahaba River Flow Today
As of October 9, 2026 at 2:00 AM, the Cahaba River is flowing at 364 cfs near Marion Junction Al, AL — 76% of normal for the date and down 21% in 24 hours. 9 of 9 USGS gauges reported in the last 3 days; flows range from 0 to 364 cfs. ❤ Favorite
Cahaba River map
See the Cahaba 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
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Cahaba 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 Marion Junction Al, the Cahaba River is running 364 cfs — 76% of normal, down 21% since yesterday. Along the river, 5 of 9 reporting gauges are below normal (the typical gauge is at 80% of normal).
In the last 24 hours the river is rising at Cahaba Heights Al (+281%); dropping at Marion Junction Al (-21%) and West Blocton Al (-15%).
Highest against normal: Cahaba Heights Al at 244%. Lowest: Trussville at 0%.
Paddlers: 0 of 1 runs on the Cahaba River with a live range are in range, 1 too low.
How the Cahaba 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
- Trussville679 ft 0 cfs0%
- Mountain Brook Al473 ft 20 cfs104%
- Hoover466 ft 14 cfs80%
- Cahaba Heights Al423 ft 32 cfs244%
- Helena Al401 ft 61 cfs107%
- Acton Al393 ft 17 cfs76%
- West Blocton Al264 ft 94 cfs111%
- Centreville Al218 ft 202 cfs77%
- Marion Junction Al128 ft 364 cfs76%
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 Cahaba River streamgauge, placed by its own percent of normal. The line is the typical gauge (80%).
Cahaba River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Cahaba River At Trussville AL
Oct 9, 2:00 AM · USGS 02423130 |
0 cfs | 0% | · | 1.12 ft | · | 679 ft |
|
Cahaba River Near Mountain Brook Al AL
Oct 9, 2:15 AM · USGS 02423380 |
20 cfs | 104% | -4% | 0.50 ft | · | 473 ft |
|
Cahaba River Near Hoover AL
Oct 9, 2:15 AM · USGS 02423496 |
14 cfs | 80% | 0% | 2.53 ft | · | 466 ft |
|
Cahaba River Near Cahaba Heights Al AL
Oct 9, 2:30 AM · USGS 02423425 |
32 cfs | 244% | +281% | 1.70 ft | 12.3 ft below | 423 ft |
|
Cahaba River Near Helena Al AL
Oct 9, 2:00 AM · USGS 02423555 |
61 cfs | 107% | +5% | 1.38 ft | · | 401 ft |
|
Cahaba River Near Acton Al AL
Oct 9, 2:00 AM · USGS 02423500 |
17 cfs | 76% | -3% | 1.65 ft | · | 393 ft |
|
Cahaba River Near West Blocton Al AL
Oct 9, 2:00 AM · USGS 02423647 |
94 cfs | 111% | -15% | 2.00 ft | · | 264 ft |
|
Cahaba River At Centreville Al AL
Oct 9, 2:15 AM · USGS 02424000 |
202 cfs | 77% | -13% | 0.35 ft | 22.7 ft below | 218 ft |
|
Cahaba River Near Marion Junction Al AL
Oct 9, 2:00 AM · USGS 02425000 |
364 cfs | 76% | -21% | 1.92 ft | 34.1 ft below | 128 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 Cahaba 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 |
|---|---|---|---|---|
| Southern Nf Boundary To Northern Nf Boundary Gauge: Centreville Al |
Too low | 202 cfs | 365–6,456 cfs typical | V |
Dams & reservoirs on the Cahaba River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Cahaba River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Cahaba River
The Cahaba River flows through central Alabama and is approximately 194 miles in length. It is known for its unique aquatic biodiversity, including several endangered species. The river has a rich history and was used for transportation during the early 1800s. The Cahaba River is also important for agriculture, providing water for crops and livestock. Specifically, the river flows through impoundments including the Martin Dam, which provides hydroelectric power to the region. The river is used for recreational activities such as swimming, boating, and fishing. The Cahaba River is a valuable resource for the region and is protected by various conservation efforts to preserve its ecological significance.
Fishing near the Cahaba River
About the Cahaba River
How is the Cahaba River flowing right now?
As of October 9, 2026, the Cahaba River is flowing at 364 cfs near Marion Junction Al, AL, about 76% of normal for the date. Across its 9 USGS gauges, current flows range from 0 to 364 cfs. Every gauge’s live reading is in the table above.
Is the Cahaba River running high or low?
The typical gauge on the Cahaba River is at 80% 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 Cahaba River?
The National Weather Service sets flood stages for Cahaba Heights Al (14.0 ft), Centreville Al (23.0 ft), Marion Junction Al (36.0 ft). The table shows how far each gauge is below its flood stage right now.
Is the Cahaba 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.