Osage River Flow Today
As of October 2, 2026 at 4:45 AM, the Osage River is flowing at 1,340 cfs below St. Thomas, MO — 89% of normal for the date and up 2% in 24 hours. 2 of 2 USGS gauges reported in the last 3 days; flows range from 838 to 1,340 cfs. ❤ Favorite
Osage River map
See the Osage 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
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Osage 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 St. Thomas, the Osage River is running 1,340 cfs — 89% of normal, up 2% since yesterday. Along the river, 2 of 2 reporting gauges are below normal (the typical gauge is at 80% of normal).
How the Osage 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
- Bagnell558 ft 838 cfs72%
- St. Thomas537 ft 1,340 cfs89%
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 Osage River streamgauge, placed by its own percent of normal. The line is the typical gauge (80%).
Osage River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Osage River Near Bagnell MO
Oct 2, 4:15 AM · USGS 06926000 |
838 cfs | 72% | -6% | 1.41 ft | · | 558 ft |
|
Osage River Below St. Thomas MO
Oct 2, 4:45 AM · USGS 06926510 |
1,340 cfs | 89% | +2% | 2.55 ft | 20.5 ft below | 537 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 Osage River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Osage River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Osage River
The Osage River is a significant waterway that flows through Missouri and Kansas, stretching over 500 miles. It has a rich history, serving as an important trade route for Native Americans, French explorers, and early American settlers. Today, the river is heavily managed for flood control, with several dams and reservoirs, including the Truman Dam and Lake of the Ozarks. These reservoirs provide hydroelectric power, recreation opportunities like fishing and boating, and are important for agricultural irrigation. The river's hydrology is heavily influenced by precipitation, with flooding being a common occurrence. Despite this, the Osage River remains an important natural resource for the communities and industries that rely on it.
About the Osage River
How is the Osage River flowing right now?
As of October 2, 2026, the Osage River is flowing at 1,340 cfs below St. Thomas, MO, about 89% of normal for the date. Across its 2 USGS gauges, current flows range from 838 to 1,340 cfs. Every gauge’s live reading is in the table above.
Is the Osage River running high or low?
The typical gauge on the Osage 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 Osage River?
The National Weather Service sets flood stages for St. Thomas (23.0 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.