Sac River near Caplinger Mills, MO

River level and flood forecast · St. Clair County

Normal4.9 ftas of Mon 2:45 PM

The river is 11.1 ft below flood stage (16 ft).

Flow: 59 cubic feet per second (USGS).

The last 7 days and the forecast

0510152025TueWedThuFriSatSunMonAction 14 ftFlood 16 ftModerate 19 ftNowObserved (ft)NWS forecast

NWS forecast issued Sun, Dec 31, 6 PM. Forecasts change as rain falls and as upstream water arrives.

Flood stages

Major flood stage28 ft
Moderate flood stage19 ft
Flood stage16 ft
Action stage14 ft
Record crest (April 12, 1994)30.95 ft

What floods at each level

From the National Weather Service, highest first.

  • 30.95 ftthis is the flood of record reached on April 12 1994.
  • 27 ftflood waters affect fields along the left bank at the gage site.
  • 20 ftflood waters affect low lying areas near the river including farmland along Highway N and between Highway W and Caplinger Mills. Cedar Creek...a tributary of the Sac River backwaters and floods portions of Highway 39 and south of Cedar Springs.
  • 19 ftmoderate Flood Stage. Flood waters reach approximately three feet in depth at the Caplinger Mills Campground.
  • 16 ftminor Flooding occurs at the gage site. The campground at Caplinger Mills floods.

Highest crests on record

  1. 30.95 ft — April 12, 1994
  2. 30.83 ft — December 28, 2015
  3. 30 ft — October 2, 1986
  4. 29.93 ft — September 25, 1993
  5. 29 ft — October 6, 1998

Recent crests: 25.81 ft (May 6, 2022) · 17.36 ft (April 22, 2022) · 16 ft (May 27, 2021) · 17.49 ft (May 18, 2021) · 17.14 ft (May 10, 2021)

Up and down the river, and nearby

Not an official source. River levels, forecasts, flood stages and impacts are from the National Weather Service (CMZM7); flow from the U.S. Geological Survey. Readings are provisional. In a flood, follow your local officials and the NWS at weather.gov.