Grand River near Sumner, MO

Livingston County, Missouri · USGS gauge 06902000 · NWS SNZM7 · Grand River flood status · Missouri river levels

Is Grand River near Sumner, MO flooding right now?

Grand River near Sumner, MO measured 14.92 ft on 2026-09-22 23:45:00 UTC. That observation was 11.1 ft below its 26 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
14.92 ft
as of 52 min ago
Streamflow
7,400 cfs
data refreshed 5 min ago

Minor flooding here begins at 26 ft, with major flooding at 40 ft. The highest crest on record was 42.52 ft on Sat, Jul 10, 1993.

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
Action21 ft6.1 ft below
Minor flood26 ft11.1 ft below
Moderate flood28 ft13.1 ft below
Major flood40 ft25.1 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
42.52 ft1993-07-10
41.35 ft2019-05-30
40.02 ft2008-06-28
39.97 ft2007-05-10
39.57 ft2002-05-13

Last 7 days

flood stage 26 ft

Past 7 days · 7.63–26.00 ft

Nearby gauges

GaugeDistanceCounty
Grand River below Sumner, MO (auxiliary gage)1.6 miLivingston County
Grand River near Fountain Grove, MO4.5 miLivingston County
Hickory Branch near Mendon, MO8.5 miChariton County
Grand River at Chillicothe, MO17.0 miLivingston County
Locust Creek near Linneus, MO17.8 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