River Conditions
Illustrated map of Lake Michigan at Chicago

River stage

Old Mill Creek, Mill Creek

River level
7.09 ft
Status
Below flood stage
7-day change
-0.41 ft
Recent high
9.33 ft
Recent low
5.87 ft

Last reported 2026-10-13 | NWS OMCI2

30-day change
+1.06 ft
Average
6.69 ft
Readings
122
Data span
122 days
Record crest
13.21 ft

In brief

The Mill Creek at Old Mill Creek, IL read 7.09 ft on Oct 13, 2026, 2.91 ft below action stage. That is 1.06 ft higher than 30 days earlier.

Source: National Weather Service gauge OMCI2

River level timeline

5.56.78.09.310.6SEP 13SEP 18SEP 23SEP 28OCT 03OCT 08OCT 13ACTION 10.00 ftHIGH 9.33LOW 6.017.03 ftLAST READING

Stage threshold profile

Action stage 10.00 ftMinor flooding 11.00 ftModerate flooding 12.00 ftMajor flooding 15.00 ft CURRENT 7.09 ft

Highest crests on record

RankCrestDate
1 13.21 ft 2017-07-12
2 13.18 ft 2009-06-19
3 12.98 ft 2013-04-15
4 12.88 ft 1976-03-06
5 12.77 ft 2019-09-13
6 12.65 ft 1972-06-20
7 12.49 ft 1974-05-16
8 12.35 ft 1960-03-31

Flood crests recorded at this gauge by the National Weather Service.

What happens at each level

  1. 10.00 ft

    Water overtops low-lying banks in Old Mill Creek.

  2. 11.00 ft

    Agricultural and forest land is inundated in Old Mill Creek and Wadsworth.

  3. 12.00 ft

    Widepsread inundation of agricultural and forest land in Old Mill Creek and Wadsworth.

  4. 12.50 ft

    US-41 threatened in Wadsworth.

  5. 14.50 ft

    Hunt Club Road threatened in Old Mill Creek.

  6. 15.50 ft

    Dilleys Road threatened between Old Mill Creek and Wadsworth.

  7. 16.00 ft

    Millburn Road may be threatened in Old Mill Creek.

  8. 18.00 ft

    I-94 may be threatened between Old Mill Creek and Wadsworth.

Written by the local National Weather Service forecast office for this exact gauge.

Frequently asked questions

Is the Mill Creek flooding at Old Mill Creek?

No. The Mill Creek at Old Mill Creek is at 7.09 ft, 2.91 ft below action stage.

What is the flood stage at Old Mill Creek?

The National Weather Service sets action stage 10 ft, minor flooding 11 ft, moderate flooding 12 ft and major flooding 15 ft.

What is the highest the Mill Creek has been at Old Mill Creek?

The highest crest on record is 13.21 ft, on 2017-07-12.

Is the Mill Creek high or low right now at Old Mill Creek?

At 7.09 ft it is higher than 80% of readings over the last 122 days.

Stage and flood information from the NOAA National Weather Service (gauge OMCI2); daily history from the U.S. Geological Survey (site 05527950). Last reading 2026-10-13. For flood safety decisions always follow official National Weather Service warnings.