Flash Flood Warning 38, NWS Kansas City, MO

665 
WGUS73 KEAX 112341
FFSEAX

Flash Flood Statement
National Weather Service Kansas City/Pleasant Hill MO
641 PM CDT Thu Jun 11 2026

MOC001-171-197-112351-
/O.EXP.KEAX.FF.W.0038.000000T0000Z-260611T2345Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Adair MO-Putnam MO-Schuyler MO-
641 PM CDT Thu Jun 11 2026

...FLASH FLOOD WARNING WILL EXPIRE AT 645 PM CDT THIS EVENING FOR
SOUTHEASTERN PUTNAM, ADAIR AND SOUTHERN SCHUYLER COUNTIES...

The heavy rain has ended. A flood warning remains in effect for the
area. Please continue to heed remaining road closures.

&&

LAT...LON 4035 9286 4040 9261 4040 9235 4004 9236
      4004 9286

$$

Area Forecast Discussion
National Weather Service Kansas City/Pleasant Hill MO
1246 PM CDT Thu Jun 11 2026

.KEY MESSAGES...

* Enhanced Risk (level 3 of 5) for severe weather today as a
  cold front slides through the area. All severe hazards remain
  possible.

* Additional severe weather looks possible for Saturday.

&&

.UPDATE...
Issued at 1144 AM CDT Thu Jun 11 2026

Initiation and the passage of the frontal boundary are starting
a bit earlier today across KS and MO. The frontal boundary is
currently starting to move into northwestern MO early this
afternoon and should continue southeast down the state through
the afternoon exiting later this evening. For the EAX forecast
area the front should be clear of the CWA between roughly 6-9
PM. For the current environment conditions look to be uncapped
when looking at the ACARs soundings coming out of MCI. These
same soundings suggest roughly 2000 J/kg of SBCAPE. Bulk
effective shear across the region looks to range from roughly
30-50 kts. Higher shear is generally settled across northern MO
with shear trailing off as you go south. Which tracks with the
most recent ACARs sounding near the metro with 0-3km wind shear
of 30 kts (matches up well with the VWP too). There is a similar
trend with SRH across the region with the highest values
(~150-200) across northeastern MO and decreasing as you travel
southwest from there. For now its a bit of a waiting game for
storm initiation to begin with any low level convergence to get
things going.

On satellite there is an agitated Cumulus field out ahead of
the front. Anything that develops out ahead of the front will
likely be super cellular with all hazards possible. As
initiation begins along the frontal boundary, storms will unzip
down the boundary eventually giving the area an nice linear
storm mode. Given the CAPE, shear and SRH, all hazards will be
possible as well, but more of a QLSC problem at that point
(quick spin ups). This window for any QLSC tornadoes should be
very narrow in time as soundings and hodographs suggest more
crosswise vorticity overtime vs streamwise. As the event goes on
this afternoon into the early evening, wind should become the
dominant threat with DCAPE generally from 1200-1500 J/kg.

&&

.SHORT TERM /THROUGH FRIDAY/...
Issued at 349 AM CDT Thu Jun 11 2026

Thunderstorms are beginning to develop across southern NE as the
main shortwave trough approaches from the High Plains. Ample
moisture advection northward on a 55 kt LLJ will fostercontinue
to developadditional storm development for the next few hours
across southern and eastern NE. As time progresses, supercells
will congeal into an MCS while approaching Iowa and far northern
MO. Large hail is the primary threat now, but as the transition
to an MCS occurs, damaging winds will also become a concern.
The highest threat is expected to remain mostly across central
and southern IA, but the southern end of the line appears likely
to graze far northern MO. Some supercellular characteristics
may prevail in this section of the line with the large hail
threat continuing into the mid morning hours. Depending how far
south the line reaches will determine whether the ongoing
flooding across northern MO is exacerbated. The Flood Watch was
cancelled with the thought the hardest hit areas will be missed
from this morning's activity. The MCS will continue tracking
east to northern IL by early afternoon.

The low pressure center will be located over central/eastern IA
midday with a cold front extending southwest into far northwest
MO and eastern KS. Additional thunderstorm development will take
place along the front mid afternoon, likely stretching from west
central to northeast MO. Northwestern MO and northeast KS may
be skipped by the second round. The extensive squall line will
be capable of all severe weather hazards. Some slightly backed
low level flow toward northeast MO may aid with a better tornado
threat there, otherwise large hail and damaging winds will be
the primary hazards through late afternoon.

The front will clear to the southeast by early evening and the
thunderstorm risk will end. Much cooler and drier air arrives
with the frontal passage and lows tonight will drop into the
50s. Clear skies and pleasant conditions for Friday.

&&

.LONG TERM /FRIDAY NIGHT THROUGH THURSDAY/...
Issued at 349 AM CDT Thu Jun 11 2026

High pressure will slide east late Friday and return flow will
begin Friday night. Low pressure over the central Plains and
steepening mid level lapse rates will facilitate the
redevelopment of showers and thunderstorms as another cold front
sinks south. Supercells will be possible initially Saturday
before congealing into clusters or complexes and continuing into
Saturday night. All severe weather hazards are possible,
including flash flooding.

The cold front will pass through and exit to the south by
Sunday. Cooler and drier air will usher in with a large trough
across the northern and eastern U.S. Weak shortwaves could bring
occasional low chances for showers and thunderstorms, but
nothing looks too significant at this time.

&&

.AVIATION /18Z TAFS THROUGH 18Z FRIDAY/...
Issued at 1242 PM CDT Thu Jun 11 2026

Gusty conditions expected for TAF sites 00z-02z. Winds gust
around 25-30 knots as the cold front moves through 18z-20 across
the KMCI, KMKC and KIXD and as it moves through the winds will
shift from SW to NW. Gusts around 30 to intermittent 36 knots
are expected. SHRA and -TSRA are expected to develop as the
front moves through the KC metro area and KMCI, KMKC and KIXD
has tempo group with -TSRA from 18z-21z and will quickly clear
and improve after the line of thunderstorms move SE. The line of
thunderstorms will move east of the KC Metro area and could see
strong to sever storms develop across the other portions of
CWA, but for the TAF sites then will clear and winds will
dissipate overnight.

&&

.EAX WATCHES/WARNINGS/ADVISORIES...
MO...None.
KS...None.

&&

SHORT TERM...Borghoff
LONG TERM...Borghoff
AVIATION...EAX
UPDATE...Patterson

Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0505 AM CDT Thu Jun 11 2026

KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-121005-
Atchison KS-Miami-Linn KS-Doniphan-Leavenworth-Wyandotte-Johnson KS-
Atchison MO-Nodaway-Worth-Gentry-Harrison-Mercer-Putnam-Schuyler-
Holt-Andrew-De Kalb-Daviess-Grundy-Sullivan-Adair-Buchanan-Clinton-
Caldwell-Livingston-Linn MO-Macon-Platte-Clay-Ray-Carroll-Chariton-
Randolph-Jackson-Lafayette-Saline-Howard-Cass-Johnson MO-Pettis-
Cooper-Bates-Henry-
0505 AM CDT Thu Jun 11 2026

This hazardous weather outlook is for northwest...north central and
west central Missouri...as well as extreme eastern Kansas.

.DAY ONE...Through tonight.

Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.

.DAYS TWO THROUGH SEVEN...Friday through Wednesday.

Please go to https://weather.gov/media/eax/DssPacket.pdf for more information on
potential weather hazards.

.KEY MESSAGES...

* Enhanced Risk (level 3 of 5) for severe weather today as a
  cold front slides through the area. All severe hazards remain
  possible.

* Additional severe weather looks possible for Saturday.

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
1106 AM CDT Thu Jun 11 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1048 AM     Flash Flood      1 W Eagleville          40.47N 94.01W
06/11/2026                   Harrison           MO   Dept of Highways

            State Route M closed due to flooding.

&&

Preliminary Local Storm Report
National Weather Service Kansas City/Pleasant HIll MO
1126 AM CDT Thu Jun 11 2026

..TIME...   ...EVENT...      ...CITY LOCATION...     ...LAT.LON...
..DATE...   ....MAG....      ..COUNTY LOCATION..ST.. ...SOURCE....
            ..REMARKS..

1044 AM     Flash Flood      4 N Green Castle        40.32N 92.87W
06/11/2026                   Sullivan           MO   Dept of Highways

            Route D closed due to flooding.

&&

SAW