Thornapple River near Caledonia, MI
Is Thornapple River near Caledonia, MI flooding right now?
Thornapple River near Caledonia, MI measured 3.86 ft on 2026-09-11 00:45:00 UTC. That observation was 6.1 ft below its 10 ft flood stage. This is the latest available reading, not a guarantee of current conditions.
Gauge height
3.86 ft
Streamflow
621 cfs
Minor flooding here begins at 10 ft, with major flooding at 14 ft. The highest crest on record was 14.4 ft on Mon, Apr 7, 1947.
Streamflow outlook
Flood stages at this gauge
| Category | Stage | Current distance |
|---|---|---|
| Action | 8 ft | 4.1 ft below |
| Minor flood | 10 ft | 6.1 ft below |
| Moderate flood | 12 ft | 8.1 ft below |
| Major flood | 14 ft | 10.1 ft below |
Highest crests on record
| Stage | Date |
|---|---|
| 14.4 ft | 1947-04-07 |
| 11.79 ft | 2018-02-24 |
| 11.69 ft | 2013-04-19 |
| 11.5 ft | 2020-05-21 |
| 11.43 ft | 1985-02-27 |
Nearby gauges
| Gauge | Distance | County |
|---|---|---|
| Grand River at Ada, MI | 10.1 mi | Kent County |
| Plaster Creek at 28Th Street at Grand Rapids, MI | 11.0 mi | Kent County |
| Grand River at Grand Rapids, MI | 14.4 mi | Kent County |
| Buck Creek at Wilson Avenue at Grandville, MI | 15.5 mi | Kent County |
| Grand River at State Hwy M-11 at Grandville, MI | 16.1 mi | Kent County |
Get a flood alert for this gauge
Free email alerts when this gauge approaches flood stage are coming soon. Leave your email and you'll be first in line.
One email when alerts launch, then only flood notifications. No spam, unsubscribe anytime.
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.