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Flood Warning — Cooper County, MO, Saline County, MO
Flood Warning
Issued
Expires
7:00 PM CDT · Sat, Aug 8 2026
Issuing Office
NWS KEAX

Affected Areas

Cooper County, MO Saline County, MO

Official Bulletin

884
WGUS43 KEAX 061837
FLWEAX

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Flood Warning
National Weather Service Kansas City/Pleasant Hill MO
137 PM CDT Thu Aug 6 2026

...The National Weather Service in Kansas City/Pleasant Hill has
issued a Flood Warning for the following rivers in Missouri...

  Blackwater River near Blue Lick affecting Cooper and Saline
  Counties.

...Forecast flooding changed from Minor to Moderate severity and
increased in duration for the following rivers in Missouri...

  Petite Saline Creek near Boonville affecting Cooper County.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Turn around, don't drown when encountering flooded roads. Most flood
deaths occur in vehicles.

This product along with additional weather and stream information is
available at www.weather.gov/kc/.

&&

MOC053-195-071845-
/O.NEW.KEAX.FL.W.0178.260807T0324Z-260809T1100Z/
/BLVM7.1.ER.260807T0324Z.260807T0600Z.260808T1044Z.NO/
137 PM CDT Thu Aug 6 2026

...FLOOD WARNING IN EFFECT FROM THIS EVENING TO SUNDAY MORNING...

* WHAT...Minor flooding is forecast.

* WHERE...Blackwater River near Blue Lick.

* WHEN...From this evening to Sunday morning.

* IMPACTS...At 24.0 feet, Cropland and pastures along the river
  flood.

* ADDITIONAL DETAILS...
  - At 12:45 PM CDT Thursday the stage was 9.2 feet.
  - Forecast...The river will rise above flood stage late this
    evening to 26.2 feet just after midnight tonight. It will then
    slowly fall to below flood stage on Saturday morning.
  - Flood stage is 24.0 feet.
  - http://www.weather.gov/safety/flood

&&

                Fld   Obs             Forecasts
Location        Stg   Stg   Day/Time  Thu   Fri   Sat
                                      7pm   7pm   7pm
Blackwater River
Blue Lick       24.0  9.2   Thu 12pm  21.1  25.2  17.0

&&

LAT...LON 3894 9342 3899 9348 3903 9297 3894 9295
      3893 9323

$$

MOC053-071845-
/O.EXT.KEAX.FL.W.0176.260806T1837Z-260808T0755Z/
/BONM7.2.ER.260806T1708Z.260807T1200Z.260807T1955Z.UU/
137 PM CDT Thu Aug 6 2026

...FLOOD WARNING NOW IN EFFECT FROM THIS AFTERNOON TO LATE FRIDAY
NIGHT...

* WHAT...Minor flooding is occurring and moderate flooding is
  forecast.

* WHERE...Petite Saline Creek near Boonville.

* WHEN...From this afternoon to late Friday night.

* IMPACTS...At 16.0 feet, Low lying woodlands and fields near the
  creek flood. At 19.5 feet, The creek floods U Highway about 4 miles
  southeast of Boonville. At 23.1 feet, Water reaches the bottom of U
  Highway bridge.

* ADDITIONAL DETAILS...
  - At 12:30 PM CDT Thursday the stage was 16.6 feet.
  - Forecast...The river is expected to rise to a crest of 22.2 feet
    tomorrow morning. It will then fall below flood stage early
    tomorrow afternoon.
  - Flood stage is 16.0 feet.
  - http://www.weather.gov/safety/flood

&&

                   Fld   Obs             Forecasts
Location           Stg   Stg   Day/Time  Thu   Fri   Fri
                                         7pm   7am   7pm
Petite Saline Creek
Boonville          16.0  16.6  Thu 12pm  20.5  22.2  12.6

&&

LAT...LON 3892 9280 3894 9264 3892 9250 3888 9252
      3887 9279

$$

SAW