Nishnabotna River above Hamburg, IA

Fremont County, Iowa · USGS gauge 06810000 · NWS HMBI4 · Iowa river levels

Nearby: river levels near Riverton

Is Nishnabotna River above Hamburg, IA flooding right now?

Nishnabotna River above Hamburg, IA measured 14.63 ft on 2026-09-11 01:00:00 UTC. That observation was 10.4 ft below its 25 ft flood stage. This is the latest available reading, not a guarantee of current conditions.

Gauge height
14.63 ft
as of 85 min ago
Streamflow
4,440 cfs
data refreshed 8 min ago

Minor flooding here begins at 25 ft, with major flooding at 33 ft. The highest crest on record was 33.18 ft on Wed, Jun 17, 1998.

Flood stages at this gauge

CategoryStageCurrent distance
Action23 ft8.4 ft below
Minor flood25 ft10.4 ft below
Moderate flood27.5 ft12.9 ft below
Major flood33 ft18.4 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
33.18 ft1998-06-17
32.44 ft2007-05-08
31.07 ft2019-03-16
30.56 ft1993-07-25
29.19 ft2008-06-14

Last 7 days

flood stage 25 ft

Past 7 days · 7.95–25.00 ft

Nearby gauges

GaugeDistanceCounty
West Nishnabotna River near Riverton, IA6.4 miFremont County
East Nishnabotna River at Riverton, IA7.7 miFremont County
Missouri River at Nebraska City, NE12.0 miOtoe County
Missouri River at Brownville, NE14.0 miNemaha County
Little Nemaha River at Auburn, Nebr.16.9 miNemaha 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