718 
WUUS53 KLSX 122155
SVRLSX
MOC071-073-122300-
/O.NEW.KLSX.SV.W.0230.260812T2155Z-260812T2300Z/

BULLETIN - IMMEDIATE BROADCAST REQUESTED
Severe Thunderstorm Warning
National Weather Service St Louis MO
455 PM CDT Wed Aug 12 2026

The National Weather Service in St Louis has issued a

* Severe Thunderstorm Warning for...
  Northwestern Franklin County in east central Missouri...
  Northeastern Gasconade County in east central Missouri...

* Until 600 PM CDT.

* At 455 PM CDT, a severe thunderstorm was located over Swiss, or 11
  miles south of Hermann, moving southeast at 25 mph.

  HAZARD...60 mph wind gusts and quarter size hail.

  SOURCE...Radar indicated.

  IMPACT...Hail damage to vehicles is expected. Expect wind damage to
           roofs, siding, and trees.

* Locations impacted include...
  Bay, Swiss, Berger, Drake, New Haven, Owensville, Rosebud, Gerald,
  Lyon, Washington, Leslie, Beaufort and Noser Mill.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. This storm is capable of producing damaging winds and large
hail.

&&

LAT...LON 3852 9164 3870 9139 3870 9135 3871 9132
      3865 9124 3862 9122 3860 9113 3860 9110
      3854 9095 3821 9137 3850 9164
TIME...MOT...LOC 2155Z 311DEG 21KT 3855 9152

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Carney

518 
WWUS53 KLSX 122215
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
515 PM CDT Wed Aug 12 2026

MOC071-073-122300-
/O.CON.KLSX.SV.W.0230.000000T0000Z-260812T2300Z/
Franklin MO-Gasconade MO-
515 PM CDT Wed Aug 12 2026

...SEVERE THUNDERSTORM WARNING REMAINS IN EFFECT UNTIL 6 PM CDT FOR
NORTHWESTERN FRANKLIN AND EAST CENTRAL GASCONADE COUNTIES...

At 515 PM CDT, severe thunderstorms were located along a line from
near Washington to near Rosebud, or along a line from near Washington
to near Owensville, moving southeast at 40 mph.

HAZARD...60 mph wind gusts and quarter size hail.

SOURCE...Radar indicated.

IMPACT...Hail damage to vehicles is expected. Expect wind damage to
         roofs, siding, and trees.

Locations impacted include...
  New Haven, Drake, Lyon, Rosebud, Gerald, Leslie, Beaufort, Noser
  Mill and Washington.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Seek shelter inside a well-built structure and stay away from
windows. These storms are capable of producing damaging winds and
large hail.

&&

LAT...LON 3821 9137 3845 9153 3860 9134 3865 9124
      3863 9123 3862 9123 3862 9122 3861 9118
      3860 9115 3860 9110 3856 9101 3856 9099
      3855 9098 3854 9095
TIME...MOT...LOC 2155Z 309DEG 34KT 3864 9125 3856 9130 3853 9142 3847
9161

HAIL THREAT...RADAR INDICATED
MAX HAIL SIZE...1.00 IN
WIND THREAT...RADAR INDICATED
MAX WIND GUST...60 MPH

$$

Carney

067 
WWUS53 KLSX 122240
SVSLSX

Severe Weather Statement
National Weather Service St Louis MO
540 PM CDT Wed Aug 12 2026

MOC071-073-122250-
/O.CAN.KLSX.SV.W.0230.000000T0000Z-260812T2300Z/
Franklin MO-Gasconade MO-
540 PM CDT Wed Aug 12 2026

...SEVERE THUNDERSTORM WARNING IS CANCELLED FOR NORTHWESTERN FRANKLIN
AND EAST CENTRAL GASCONADE COUNTIES...

The storms which prompted the warning have moved out of the area.
Therefore, the warning has been cancelled. However, gusty winds and
heavy rain are still possible with these thunderstorms.

A Severe Thunderstorm Warning still remains in effect for southern
Franklin county until 6 PM CDT.

&&

LAT...LON 3821 9137 3845 9153 3860 9134 3865 9124
      3863 9123 3862 9123 3862 9122 3861 9118
      3860 9115 3860 9110 3856 9101 3856 9099
      3855 9098 3854 9095
TIME...MOT...LOC 2215Z 309DEG 34KT 3853 9104 3842 9110 3840 9123 3834
9142

$$

Carney