Little Calumet River Flow Today
As of October 2, 2026 at 3:45 AM, the Little Calumet River is flowing at 605 cfs at South Holland, IL and up 64% in 24 hours. 3 of 3 USGS gauges reported in the last 3 days; flows range from 106 to 605 cfs. ❤ Favorite
Little Calumet River map
See the Little Calumet River on a live map
Every gauge, dam and paddle run on the river, one tap each:
- Gauges now — which reaches are high or low
- Dams & paddle runs — storage and what’s in range
- Rain — past 24 hrs and the 72-hr forecast, press play
✓ Free for 7 days · ✓ Cancel anytime
Little Calumet 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 South Holland, the Little Calumet River is running 605 cfs, up 64% since yesterday. Along the river, 2 of 2 reporting gauges are above normal (the typical gauge is at 560% of normal).
In the last 24 hours the river is rising at Munster (+158%) and South Holland (+64%).
How the Little Calumet 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
- Porter617 ft 110 cfs230%
- South Holland596 ft 605 cfs
- Munster591 ft 106 cfs891%
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 Little Calumet River streamgauge, placed by its own percent of normal. The line is the typical gauge (560%).
Little Calumet River flow report
| Streamgage | Streamflow | % of normal | 24h | Gage height | To flood stage | Elevation |
|---|---|---|---|---|---|---|
|
Little Calumet River At Porter IN
Oct 2, 3:45 AM · USGS 04094000 |
110 cfs | 230% | +51% | 4.35 ft | · | 617 ft |
|
Little Calumet River At South Holland IL
Oct 2, 3:45 AM · USGS 05536290 |
605 cfs | · | +64% | 9.12 ft | 7.4 ft below | 596 ft |
|
Little Calumet River At Munster IN
Oct 2, 6:00 AM · USGS 05536195 |
106 cfs | 891% | +158% | 7.38 ft | 4.6 ft below | 591 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 Little Calumet River
Releases from these dams shape the flow downstream. Tap one for its daily level and history.
Little Calumet River streamflow over time
Daily total flow across every monitored gauge on the river.
Maximum streamflow by year
Little Calumet River
The Little Calumet River is a 44.1-mile-long river located in northeastern Illinois and northwestern Indiana, and it flows into Lake Michigan. The river was originally used by Native Americans for transportation and fishing, and later by European settlers for logging and transportation. The river's hydrology has been altered by the construction of several reservoirs and dams, including the Thorn Creek Dam and the Oakwood Dunes Dam. These dams were built to control flooding and provide a source of drinking water for nearby communities. The Little Calumet River also has several recreational uses, including fishing, boating, and hiking, and is home to several species of fish and wildlife. The river is also used for agricultural purposes, including the irrigation of crops and grazing of livestock.
Fishing near the Little Calumet River
About the Little Calumet River
How is the Little Calumet River flowing right now?
As of October 2, 2026, the Little Calumet River is flowing at 605 cfs at South Holland, IL. Across its 3 USGS gauges, current flows range from 106 to 605 cfs. Every gauge’s live reading is in the table above.
Is the Little Calumet River running high or low?
The typical gauge on the Little Calumet River is at 560% 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 Little Calumet River?
The National Weather Service sets flood stages for South Holland (16.5 ft), Munster (12.0 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.