Atascosa River Flow Today
As of October 2, 2026 at 2:15 AM, the Atascosa River is flowing at 2.8 cfs at Whitsett, TX — 17% of normal for the date. 2 of 2 USGS gauges reported in the last 3 days; flows range from 0 to 2.8 cfs. ❤ Favorite
Atascosa River map
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Atascosa 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 Whitsett, the Atascosa River is running 2.8 cfs — 17% of normal. Along the river, 2 of 2 reporting gauges are below normal (the typical gauge is at 9% of normal).
How the Atascosa 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
- Mccoy265 ft 0 cfs0%
- Whitsett183 ft 2.8 cfs17%
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 Atascosa River streamgauge, placed by its own percent of normal. The line is the typical gauge (9%).
Atascosa River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Atascosa River Near Mccoy TX
Oct 2, 2:15 AM · USGS 08207500 |
0 cfs | 0% | · | 4.58 ft | · | 265 ft |
|
Atascosa River At Whitsett TX
Oct 2, 2:15 AM · USGS 08208000 |
2.8 cfs | 17% | · | 1.86 ft | 18.1 ft below | 183 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.
Dams & reservoirs on the Atascosa River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Atascosa River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated 2026-09-05; the live gauge readings above are current).
Maximum streamflow by year
Atascosa River
The Atascosa River is a river located in southern Texas that runs for approximately 135 miles through Atascosa, Bexar, Karnes, Live Oak, and McMullen counties. The river begins near the town of Poteet in Atascosa County and flows southeast into the Gulf of Mexico. Historically, the Atascosa River was a crucial water source for early Spanish explorers, and later for ranchers and farmers in the region. Today, it supports a variety of agricultural activities, including cattle ranching and irrigated farming. The river also has several reservoirs, including the Choke Canyon Reservoir and the Calaveras Lake, which provide drinking water and recreational opportunities for nearby communities. Despite ongoing conservation efforts, the Atascosa River faces challenges including pollution, overuse, and habitat loss.
Fishing near the Atascosa River
About the Atascosa River
How is the Atascosa River flowing right now?
As of October 2, 2026, the Atascosa River is flowing at 2.8 cfs at Whitsett, TX, about 17% of normal for the date. Across its 2 USGS gauges, current flows range from 0 to 2.8 cfs. Every gauge’s live reading is in the table above.
Is the Atascosa River running high or low?
The typical gauge on the Atascosa River is at 9% 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 Atascosa River?
The National Weather Service sets flood stages for Whitsett (20.0 ft). The table shows how far each gauge is below its flood stage right now.
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.