Thornapple River Flow Today
As of October 14, 2026 at 2:15 AM, the Thornapple River is flowing at 161 cfs near Hastings, MI — 83% of normal for the date. ❤ Favorite
Thornapple River map
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Thornapple 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 Hastings, the Thornapple River is running 161 cfs — 83% of normal. Along the river, 1 of 1 reporting gauges are below normal (the typical gauge is at 83% of normal).
How the Thornapple 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
- Hastings803 ft 161 cfs83%
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 Thornapple River streamgauge, placed by its own percent of normal. The line is the typical gauge (83%).
Thornapple River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Thornapple River Near Hastings MI
Oct 14, 2:15 AM · USGS 04117500 |
161 cfs | 83% | 0% | 3.17 ft | 3.8 ft below | 803 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 Thornapple River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Thornapple River streamflow over time
Daily total flow across every monitored gauge on the river (this total last updated earlier; the live gauge readings above are current).
Thornapple River
The Thornapple River is a 100-mile-long river located in Michigan, United States. It flows through Kent, Barry, and Ionia counties, and is a tributary of the Grand River. The river was named after the thornapple plant, which is abundant in the area. The Thornapple River watershed covers approximately 700 square miles and is home to several reservoirs and dams, including the Tippy Dam, the largest hydroelectric power producer in the state. The river is used for various recreational activities such as fishing, kayaking, and canoeing, and the surrounding areas are popular for camping and hiking. The river also supports agricultural activities such as farming and cattle grazing. Over the years, the Thornapple River has played a crucial role in the development and growth of the communities it passes through.
Fishing near the Thornapple River
About the Thornapple River
How is the Thornapple River flowing right now?
As of October 14, 2026, the Thornapple River is flowing at 161 cfs near Hastings, MI, about 83% of normal for the date. Every gauge’s live reading is in the table above.
Is the Thornapple River running high or low?
The typical gauge on the Thornapple River is at 83% 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 Thornapple River?
The National Weather Service sets flood stages for Hastings (7.0 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.