Truman Lake

Truman Lake, with its official name of Truman Reservoir, spreads into portions of three counties, Benton, Henry, and St. Clair, 100 miles southwest of St. Louis in western Missouri. The U.S. Army Corps of Engineers' (USACE) owns Truman Lake, and the Harry S. Truman Project Office manages it. President Harry S. Truman is this lake's namesake.  More Lake Information

Truman Lake Email Updates


Truman Lake Current Weather Alerts

There are no active watches, warnings or advisories.


Truman Lake Weather Forecast



Hi: 41

Wednesday Night

Mostly Clear

Lo: 27


Mostly Sunny

Hi: 51

Thursday Night

Partly Cloudy

Lo: 40


Mostly Cloudy

Hi: 61

Friday Night

Partly Cloudy

Lo: 31


Partly Sunny

Hi: 42

Saturday Night

Mostly Cloudy

Lo: 29

Truman Lake Water Level (last 30 days)

Water Level on 11/30: 705.52 (-0.48)