How high is the LA Moine River at Colmar, IL right now?

The LA Moine River at Colmar, IL is currently flowing at 163 cubic feet per second with a gage height of 4.77 feet, based on the most recent USGS instantaneous reading.

Is the flow on the LA Moine River at Colmar, IL normal for this time of year?

Current flow is classified as normal for June 11. Today's discharge is at the 34th percentile compared to the long-term historical record at this gauge.

Is the LA Moine River at Colmar, IL at flood stage?

No — the gage height is 15.23 feet below the NWS flood-stage threshold of 20.0 feet.

What is the historical median flow for the LA Moine River at Colmar, IL on June 11?

The long-term median discharge for this date is 294 cfs based on USGS daily statistics. The 10th–95th percentile range historically is 43 to 2,350 cfs.

Where is the LA Moine River at Colmar, IL stream gauge located?

The LA Moine River at Colmar, IL stream gauge is operated by the USGS in McDonough County, IL on the LA Moine River. USGS site number 05584500 (coordinates 40.3315, -90.8962).

LA Moine River at Colmar, IL

USGS Site No: 05584500 • LA Moine River • McDonough County, IL

LA Moine River at Colmar, IL on the LA Moine River is currently at 163 cfs (Normal — 34th percentile for this date) . Gage height: 4.77 ft.

Reading from 1 week ago

Downstream on LA Moine River ↓

LA Moine River at Ripley, IL

163

CFS Discharge

4.77

Gage Height (ft)

Normal

Flow Condition

Normal

Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.

Percentile	Label	CFS Threshold	Today's Flow
10th	Very Low threshold	43
25th	Low threshold	95
50th (Median)	Normal (median)	294	Today: 163 cfs
75th	High threshold	582
95th	Very High threshold	2,350

30-Day Hydrograph

Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.

10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date	Discharge (CFS)	Gage Ht (ft)
May 28, 2026	177	4.90
May 27, 2026	183	4.96
May 26, 2026	198	5.08
May 25, 2026	225	5.30
May 24, 2026	249	5.48
May 23, 2026	256	5.53
May 22, 2026	284	5.72
May 21, 2026	352	6.22
May 20, 2026	468	7.00
May 19, 2026	398	6.51
May 18, 2026	223	5.28
May 17, 2026	231	5.34
May 16, 2026	240	5.41
May 15, 2026	226	5.30
Apr 20, 2026	4,150	19.77
Apr 19, 2026	4,160	19.88
Apr 18, 2026	3,540	18.22
Apr 17, 2026	585	7.60
Apr 16, 2026	531	7.35
Apr 15, 2026	416	6.63
Apr 14, 2026	447	6.83
Apr 13, 2026	463	6.94
Apr 12, 2026	456	6.89
Apr 11, 2026	519	7.29
Apr 10, 2026	609	7.81
Apr 9, 2026	726	8.45
Apr 8, 2026	887	9.25
Apr 7, 2026	1,220	10.75
Apr 6, 2026	2,080	13.96
Apr 5, 2026	3,740	18.82

Station Information

USGS Site No: 05584500
State: IL
County: McDonough County
Coordinates: 40.3315, -90.8962
Drainage Area: 655 mi²
Datum (ft): 491.3
HUC Code: 07130010

View on USGS NWIS →

Flood Stage Thresholds

Action Stage: 19.0 ft
Flood Stage: 20.0 ft
Moderate Flood: 22.0 ft
Major Flood: 24.0 ft

Currently 15.23 ft below flood stage.

Recent Extremes

Max discharge: 4,160 cfs

Apr 4, 2026
Min discharge: 5 cfs

Oct 9, 2025
Days at flood stage: 0

Computed from the local daily-values archive.

Nearby Gauges

LA Moine River at Ripley, IL
25.4 mi · 276 cfs

Normal
Mississippi River at Keokuk, IA
25.5 mi

Unknown
Bear Creek Near Marcelline, IL
26.7 mi · 23 cfs

Normal
Spoon River at Seville, IL
31.2 mi · 486 cfs

Normal
Skunk River at Augusta, IA
35.4 mi · 2,940 cfs

Normal