Rend Lake

Rend Lake lies in the heart of southern Illinois in Franklin and Jefferson Counties in a rural environment. The U.S. Army Corps of Engineers (USACE), St. Louis District, manages Rend Lake, and 20,000 acres surrounding the lake. Rend Lake at normal pool covers 18,900 acres with 162 miles of shoreline, a maximum depth of 35 feet, and an average depth of 10 to 15 feet.  More Lake Information

Rend Lake Email Updates


Rend Lake Current Weather Alerts

There are no active watches, warnings or advisories.


Rend Lake Weather Forecast



Hi: 51

Monday Night


Lo: 32



Hi: 54

Tuesday Night

Mostly Clear

Lo: 34


Mostly Sunny

Hi: 56

Wednesday Night

Mostly Cloudy

Lo: 42

Thanksgiving Day

Slight Chance Rain Showers

Hi: 53

Thursday Night

Mostly Cloudy

Lo: 39

Rend Lake Water Level (last 30 days)

Water Level on 10/13: 41.92 (-363.08)

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