Louisiana streamflow
Live discharge, gauge height, water temperature, and percent-of-normal readings from every USGS streamgauge in Louisiana. Built for paddlers, anglers, water managers, and flood researchers.
Streamflow levels across Louisiana are currently 105% of normal, with the Mississippi River At Baton Rouge reporting the highest discharge in the state at 599,000 cfs and a gauge stage of 24.55 ft.
Meanwhile, the Bayou Toro Near Toro is seeing a spike today — up 1888% since yesterday and currently running near peak.
Tap any gauge below for the full hydrograph, paired weather forecast, and historical context. Use the rivers panel to jump into Louisiana's named rivers.
Active weather warnings for Louisiana
Louisiana residents are advised to exercise caution due to active flood warnings and advisories affecting the state. A Flood Warning remains in effect for the Calcasieu River near White Oak Park through Monday morning, July 20, with minor flooding currently occurring and expected to continue. Goos Ferry Road may experience inundation as water levels oscillate around the 2.0-foot flood stage. Additionally, a Flood Advisory continues for the Mississippi River at Natchez, affecting areas in eastern Louisiana near the state border, with river levels expected to crest at 38.0 feet by Tuesday, July 21, potentially flooding unprotected lowlands. Residents in affected areas should monitor weather updates closely, avoid flooded roadways, and prepare for possible evacuations if conditions worsen.
State-wide streamflow overview
The Louisiana flow picture in four data points -- where the state sits versus historical norms, what's flowing hardest, and what's spiking fastest.
Percent of normal
100% is the historical norm. Below 70% indicates drought; above 130% can flag elevated flood risk.
Highest discharge
Gauge stage 24.55 ft
Biggest 24h spike
Now 318 cfs
Network coverage
USGS gauges feeding 0 named rivers in Louisiana.
Louisiana USGS streamgauges
Every USGS gauge Snoflo tracks in Louisiana. Sortable, quickly filterable. Numeric columns heat-mapped from light to deep. Tap any gauge for its full hydrograph and forecast.
| Streamgage | Streamflow | Gage height | Water temp | Air temp | Elevation | Watershed |
|---|---|---|---|---|---|---|
|
Mississippi River At Baton Rouge, La
13 hours ago · USGS 07374000 |
575,000 cfs | 23.46 ft | 85°F | 73°F | 16 ft | Lower Mississippi-Baton Rouge |
|
(Coe) Atchafalaya River At Simmesport, La
13 hours ago · USGS 07381490 |
256,000 cfs | 20.75 ft | · | 72°F | 28 ft | Atchafalaya |
|
Lower Atchafalaya River At Morgan City, La
13 hours ago · USGS 07381600 |
150,000 cfs | 3.70 ft | 84°F | 75°F | 3 ft | Atchafalaya |
|
Wax Lake Outlet At Calumet, La
13 hours ago · USGS 07381590 |
145,000 cfs | 3.87 ft | · | 74°F | 3 ft | Atchafalaya |
|
Vermilion River At Perry, La
13 hours ago · USGS 07386980 |
4,480 cfs | 6.31 ft | · | 74°F | 1 ft | Vermilion |
|
Pearl River Near Bogalusa, La
13 hours ago · USGS 02489500 |
4,260 cfs | 9.20 ft | · | 70°F | 73 ft | Lower Pearl. Mississippi |
|
Bayou Lafourche Near Crew Lake, La
14 hours ago · USGS 07369000 |
3,890 cfs | 10.34 ft | · | 72°F | 37 ft | Boeuf |
|
Red Chute Bayou At Sligo, La
13 hours ago · USGS 07349860 |
1,860 cfs | 25.17 ft | · | 70°F | 144 ft | Red Chute |
|
Bayou Courtableau At Washington, La
12 hours ago · USGS 07382500 |
1,650 cfs | 19.31 ft | · | 73°F | 17 ft | Bayou Teche |
|
Calcasieu River Near Kinder, La
13 hours ago · USGS 08015500 |
1,510 cfs | 6.04 ft | · | 71°F | 22 ft | Whisky Chitto |
|
Bayou Des Glaises Diversion Ch. At Moreauville, La
2 days ago · USGS 07383500 |
1,460 cfs | 11.02 ft | · | 74°F | 25 ft | Bayou Teche |
|
Bayou Nezpique Near Basile, La
13 hours ago · USGS 08012000 |
1,420 cfs | 15.58 ft | · | 72°F | 19 ft | Mermentau Headwaters |
|
Little River Near Rochelle, La
13 hours ago · USGS 07372200 |
1,220 cfs | 13.81 ft | · | 70°F | 46 ft | Little |
|
Bogue Chitto River Near Bush, La
13 hours ago · USGS 02492000 |
1,090 cfs | 4.16 ft | · | 70°F | 50 ft | Bogue Chitto |
|
Amite River At Port Vincent, La
13 hours ago · USGS 07380120 |
1,090 cfs | 1.62 ft | · | 73°F | · | Amite |
|
Whiskey Chitto Creek Near Oberlin, La
13 hours ago · USGS 08014500 |
1,090 cfs | 6.46 ft | 79°F | 71°F | 56 ft | Whisky Chitto |
|
Bayou Teche At Adeline Bridge Near Jeanerette, La
13 hours ago · USGS 07385765 |
1,040 cfs | 2.37 ft | · | 73°F | · | Bayou Teche |
|
Calcasieu River Nr Glenmora, La
13 hours ago · USGS 08013000 |
978 cfs | 11.80 ft | · | 71°F | 121 ft | Upper Calcasieu |
|
Vermilion River At Surrey St. At Lafayette, La
13 hours ago · USGS 07386880 |
961 cfs | 8.98 ft | 77°F | 73°F | 3 ft | Vermilion |
|
Bayou Pierre Near Lake End, La
13 hours ago · USGS 07351750 |
884 cfs | 8.32 ft | · | 70°F | 99 ft | Bayou Pierre |
|
Bayou Cocodrie Nr Clearwater, La
13 hours ago · USGS 07382000 |
812 cfs | 14.26 ft | · | 72°F | 50 ft | Bayou Teche |
|
Tangipahoa River At Robert, La
13 hours ago · USGS 07375500 |
779 cfs | 8.08 ft | · | 72°F | 18 ft | Tangipahoa |
|
Amite River Near Denham Springs, La
13 hours ago · USGS 07378500 |
746 cfs | 11.08 ft | · | 73°F | 25 ft | Amite |
|
Bayou Des Cannes Nr Eunice, La
13 hours ago · USGS 08010000 |
733 cfs | 11.51 ft | · | 72°F | 28 ft | Mermentau Headwaters |
|
Bayou Anacoco Near Rosepine, La
12 hours ago · USGS 08028000 |
711 cfs | 7.44 ft | · | 70°F | 131 ft | Lower Sabine |
|
Bundick Ck Nr De Ridder, La
13 hours ago · USGS 08014800 |
637 cfs | 10.88 ft | · | 70°F | 135 ft | Whisky Chitto |
|
Calcasieu River Near Oberlin, La
13 hours ago · USGS 08013500 |
538 cfs | 4.09 ft | · | 71°F | 49 ft | Upper Calcasieu |
|
Bayou Lafourche Sw Of Donaldsonville, La
13 hours ago · USGS 07380401 |
433 cfs | 8.30 ft | · | 73°F | 9 ft | East Central Louisiana Coastal |
|
Amite River Near Darlington, La
13 hours ago · USGS 07377000 |
343 cfs | · | · | 71°F | 149 ft | Amite |
|
Bayou Bartholomew Near Jones, La
13 hours ago · USGS 07364200 |
304 cfs | 4.94 ft | · | 70°F | 94 ft | Bayou Bartholomew |
|
Bayou Lafourche At Thibodaux, La
13 hours ago · USGS 07381000 |
286 cfs | 3.89 ft | · | 74°F | 2 ft | East Central Louisiana Coastal |
|
Tickfaw River At Holden, La
13 hours ago · USGS 07376000 |
254 cfs | 1.84 ft | · | 72°F | 21 ft | Tickfaw |
|
Tensas River At Tendal, La
14 hours ago · USGS 07369500 |
188 cfs | 9.56 ft | · | 71°F | 63 ft | Tensas |
|
Saline Bayou Near Lucky, La
13 hours ago · USGS 07352000 |
177 cfs | 5.20 ft | · | 70°F | 157 ft | Saline Bayou |
|
Chemin-A-Haut Byu Nr Beekman, La
13 hours ago · USGS 07364300 |
139 cfs | 8.48 ft | · | 70°F | 91 ft | Bayou Bartholomew |
|
Big Creek At Pollock, La
13 hours ago · USGS 07373000 |
109 cfs | 3.63 ft | · | 70°F | 88 ft | Little |
|
Bayou Toro Near Toro, La
13 hours ago · USGS 08025500 |
101 cfs | 4.56 ft | · | 71°F | 152 ft | Lower Sabine |
|
Natalbany River At Baptist, La
13 hours ago · USGS 07376500 |
87 cfs | 4.30 ft | · | 72°F | 25 ft | Tickfaw |
|
Comite River Near Comite, La
13 hours ago · USGS 07378000 |
84 cfs | · | · | 73°F | 24 ft | Amite |
|
Tchefuncta River Near Folsom, La
13 hours ago · USGS 07375000 |
84 cfs | 5.47 ft | · | 71°F | 78 ft | Liberty Bayou-Tchefuncta |
|
Tickfaw River At Liverpool, La
13 hours ago · USGS 07375800 |
56 cfs | 1.81 ft | · | 70°F | 210 ft | Tickfaw |
|
Bayou Dorcheat Near Springhill, La
13 hours ago · USGS 07348700 |
49 cfs | 5.41 ft | · | 70°F | 178 ft | Loggy Bayou |
|
Bayou Macon Nr Kilbourne, La
13 hours ago · USGS 07369700 |
46 cfs | 5.16 ft | · | 70°F | 87 ft | Bayou Macon |
|
Boeuf River Nr Girard, La
13 hours ago · USGS 07368000 |
14 cfs | 6.45 ft | · | 71°F | 57 ft | Boeuf |
|
Little Corney Bayou Near Lillie, La
13 hours ago · USGS 07366200 |
12 cfs | 3.13 ft | · | 70°F | 103 ft | Bayou D'Arbonne |
|
Cypress Bayou Near Keithville, La
13 hours ago · USGS 07351500 |
2 cfs | · | · | 70°F | 173 ft | Bayou Pierre |
|
Bayou San Patricio Near Benson, La
13 hours ago · USGS 08023400 |
0 cfs | 6.51 ft | · | 70°F | 222 ft | Toledo Bend Reservoir |
|
Bayou Grand Cane Near Stanley, La
13 hours ago · USGS 08023080 |
0 cfs | 3.17 ft | · | 69°F | 184 ft | Toledo Bend Reservoir |
See every Louisiana gauge ranked against normal.
- Percentile rank & % of median for all 48 gauges
- 15-day PULSE forecast on every gauge
- Custom flow alerts & full daily history
About Louisiana streamflow
Where does the Louisiana streamflow data come from?
The U.S. Geological Survey National Water Information System. USGS streamgauges report continuously (every 15 minutes) and the data is the canonical real-time record for U.S. rivers. Snoflo pulls the latest readings and joins them to a 7-day NOAA weather forecast for each station.
What is cfs?
Cubic feet per second — the standard unit for streamflow. One cfs is about 7.5 gallons per second. Small creeks run at single-digit cfs; the Mississippi at hundreds of thousands.
What does Gauge Height mean?
The water level at the gauge in feet above the reference datum. Used together with discharge to track river state. Flood stage and runnable levels are typically expressed in gauge height (e.g., "flood at 16 ft").
How fresh is the Louisiana data?
USGS streamgauges report every 15 minutes; Snoflo re-pulls throughout the day. The AI briefing regenerates daily.
Can I get a flow alert for a Louisiana gauge?
Yes. Save any USGS gauge as a favorite in the Snoflo iOS app, set a discharge or stage threshold (e.g. "alert me when discharge crosses 2,000 cfs"), and you'll get a push the moment it crosses.
Is this a substitute for an NWS flood warning?
No. Snoflo is informational. For flood life-safety decisions always follow guidance from your local NWS forecast office and state emergency management. Snoflo data is one input among several.