Thompson River at Trenton, MO

Grundy County, Missouri · USGS gauge 06899500 · NWS TTZM7 · Missouri river levels

Is Thompson River at Trenton, MO flooding right now?

Thompson River at Trenton, MO measured 15.06 ft on 2026-09-22 23:45:00 UTC. That observation was 11.9 ft below its 27 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
15.06 ft
as of 66 min ago
Streamflow
3,180 cfs
data refreshed 5 min ago

Minor flooding here begins at 27 ft, with major flooding at 34 ft. The highest crest on record was 34.38 ft on Wed, May 29, 2019.

Streamflow outlook

NOAA National Water Model forecast, issued 13 hours ago. The NWM models discharge for every river reach in the country, including the many gauges the National Weather Service does not forecast individually. It is a model, not an official NWS river forecast, and it predicts flow rather than water level.

Flood stages at this gauge

CategoryStageCurrent distance
Action24 ft8.9 ft below
Minor flood27 ft11.9 ft below
Moderate flood31 ft15.9 ft below
Major flood34 ft18.9 ft below

New to these numbers? What does flood stage mean? · How to read a river gauge · Why is the river rising?

Highest crests on record

StageDate
34.38 ft2019-05-29
32.84 ft2014-09-10
32.46 ft2008-07-25
32.33 ft2010-06-06
31.52 ft2013-04-19

Last 7 days

flood stage 27 ft

Past 7 days · 10.89–27.00 ft

Nearby gauges

GaugeDistanceCounty
Medicine Creek near Laredo, MO11.1 miGrundy County
Muddy Creek near Chula, MO18.3 miLivingston County
Grand River near Gallatin, MO18.9 miDaviess County
Grand River at Chillicothe, MO22.2 miLivingston County
Locust Creek near Linneus, MO24.3 miLinn County
Provisional data: Real-time readings are provisional and subject to revision by the USGS — sensors can be affected by ice, debris, or equipment malfunction. Do not rely on this site for decisions involving personal safety; follow official guidance from the National Weather Service and local authorities.

Sources: USGS monitoring location · NWS gauge & forecast