Severe Thunderstorm Watch
SEVERE THUNDERSTORM WATCH OUTLINE UPDATE FOR WS 602
NWS STORM PREDICTION CENTER NORMAN OK
945 PM CDT WED AUG 19 2026
SEVERE THUNDERSTORM WATCH 602 IS IN EFFECT UNTIL 300 AM CDT
FOR THE FOLLOWING LOCATIONS
ARC005-021-049-055-065-075-121-135-200800-
/O.NEW.KWNS.SV.A.0602.260820T0245Z-260820T0800Z/
AR
. ARKANSAS COUNTIES INCLUDED ARE
BAXTER CLAY FULTON
GREENE IZARD LAWRENCE
RANDOLPH SHARP
$$
Flood Advisory
Flood Advisory
National Weather Service St Louis MO
1248 AM CDT Thu Aug 20 2026
MOC093-123-200845-
/O.NEW.KLSX.FA.Y.0096.260820T0548Z-260820T0845Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Iron MO-Madison MO-
1248 AM CDT Thu Aug 20 2026
...FLOOD ADVISORY IN EFFECT UNTIL 345 AM CDT EARLY THIS MORNING...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Southeastern Iron County in southeastern Missouri...
Southern Madison County in southeastern Missouri...
* WHEN...Until 345 AM CDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 1248 AM CDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 1 and 2.5 inches of rain
have fallen.
- Additional rainfall amounts up to 1 inch are expected over the
area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Annapolis, Saco, Buckhorn, Des Arc, Vulcan and Sabula.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
Be especially cautious at night when it is harder to recognize the
dangers of flooding.
&&
LAT...LON 3742 9077 3735 9015 3731 9015 3732 9024
3731 9035 3732 9055 3727 9055 3727 9075
3737 9075 3737 9077
$$
BRC
Flood Advisory
National Weather Service St Louis MO
1119 PM CDT Wed Aug 19 2026
MOC179-200715-
/O.NEW.KLSX.FA.Y.0095.260820T0419Z-260820T0715Z/
/00000.N.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Reynolds MO-
1119 PM CDT Wed Aug 19 2026
...FLOOD ADVISORY IN EFFECT UNTIL 215 AM CDT THURSDAY...
* WHAT...Flooding caused by excessive rainfall is expected.
* WHERE...Southeastern Reynolds County in southeastern Missouri...
* WHEN...Until 215 AM CDT.
* IMPACTS...Minor flooding in low-lying and poor drainage areas.
* ADDITIONAL DETAILS...
- At 1119 PM CDT, Doppler radar indicated heavy rain due to
thunderstorms. Minor flooding is ongoing or expected to begin
shortly in the advisory area. Between 1 and 2.5 inches of rain
have fallen.
- Additional rainfall amounts up to 1 inch are expected over the
area. This additional rain will result in minor flooding.
- Some locations that will experience flooding include...
Ellington and Garwood.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Turn around, don`t drown when encountering flooded roads. Most flood
deaths occur in vehicles.
&&
LAT...LON 3722 9074 3717 9074 3717 9076 3714 9076
3714 9078 3705 9078 3705 9096 3710 9096
3710 9102 3714 9102 3714 9104 3717 9103
3716 9107 3718 9107 3718 9109 3720 9109
3720 9113 3725 9112
$$
BRC
Flood Watch
Flood Watch
National Weather Service Paducah KY
823 PM CDT Wed Aug 19 2026
ILZ084>094-KYZ001>022-MOZ076-086-087-100-107>112-114-201200-
/O.NEW.KPAH.FA.A.0008.260820T0123Z-260820T1200Z/
/00000.0.ER.000000T0000Z.000000T0000Z.000000T0000Z.OO/
Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-Hardin-
Alexander-Pulaski-Massac-Fulton-Hickman-Carlisle-Ballard-McCracken-
Graves-Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
Including the cities of Van Buren, Mound City, Clinton, Cairo,
Jonesboro, Henderson, Cape Girardeau, Princeton, Sikeston, Owensboro,
Golconda, Carbondale, Piedmont, Doniphan, Metropolis, New Madrid,
Charleston, Elkton, Poplar Bluff, Eddyville, Elizabethtown, Vienna,
Hickman, Calhoun, Cadiz, Morganfield, Dixon, Smithland, Bardwell,
Paducah, Murphysboro, Perryville, Greenville, Wickliffe, Shawneetown,
Murray, Herrin, Marble Hill, Benton, Jackson, Bloomfield, Marion,
Hopkinsville, Madisonville, Harrisburg, and Mayfield
823 PM CDT Wed Aug 19 2026
...FLOOD WATCH IN EFFECT UNTIL 7 AM CDT THURSDAY...
* WHAT...Flash flooding caused by excessive rainfall is possible.
* WHERE...Portions of southern Illinois, including the following
areas, Alexander, Gallatin, Hardin, Jackson, Johnson, Massac, Pope,
Pulaski, Saline, Union and Williamson, western Kentucky, including
the following areas, Ballard, Caldwell, Calloway, Carlisle,
Christian, Crittenden, Daviess, Fulton, Graves, Henderson, Hickman,
Hopkins, Livingston, Lyon, Marshall, McCracken, McLean, Muhlenberg,
Todd, Trigg, Union KY and Webster, and southeast Missouri,
including the following areas, Bollinger, Butler, Cape Girardeau,
Carter, Mississippi, New Madrid, Perry MO, Ripley, Scott, Stoddard
and Wayne MO.
* WHEN...Until 7 AM CDT Thursday.
* IMPACTS...Excessive runoff may result in flooding of rivers,
creeks, streams, and other low-lying and flood-prone locations.
* ADDITIONAL DETAILS...
- Training thunderstorms are forecast to produce a swath of very
heavy rainfall across portions of our region from late this
evening through the overnight. Rainfall rates of at least 2" per
hour are possible. A swath of 2 to 5" storm total rainfall may be
observed through Thursday morning.
- http://www.weather.gov/safety/flood
PRECAUTIONARY/PREPAREDNESS ACTIONS...
You should monitor later forecasts and be prepared to take action
should Flash Flood Warnings be issued.
&&
$$
SP
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Springfield MO
904 PM CDT Wed Aug 19 2026
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-210215-
Bourbon-Crawford-Cherokee-Benton-Morgan-Miller-Maries-Vernon-
St. Clair-Hickory-Camden-Pulaski-Phelps-Barton-Cedar-Polk-Dallas-
Laclede-Texas-Dent-Jasper-Dade-Greene-Webster-Wright-Newton-
Lawrence-Christian-Douglas-Howell-Shannon-McDonald-Barry-Stone-
Taney-Ozark-Oregon-
904 PM CDT Wed Aug 19 2026
This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.
.DAY ONE...Tonight.
Weather hazards expected...
Marginal hail risk.
Slight thunderstorm wind damage risk.
Limited lightning risk.
Elevated excessive rainfall risk
Elevated Fog risk.
DISCUSSION...
Thunderstorms across the eastern Ozarks may be strong to severe
late this evening into the early overnight hours. Damaging winds
to 70 mph is the most likely hazard. Large hail to the size of
half dollars and a tornado are secondary, lower confidence hazard
types.
Flooding potential remains low and confined to the far eastern
Ozarks where any storms can move over the same areas.
Fog, possibly locally dense, is possible tonight across portions
of central and southwest Missouri.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
Hot and conditions are expected again across the area through the
end of the week and into the weekend with mostly dry conditions.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed this evening for portions of the
eastern Ozarks.
&&
More detailed information can be accessed at:
http://www.weather.gov/sgf/dsspacket
This product in graphical format...along with other weather...
hydrological and climate information...at
http://www.weather.gov/sgf
$$
Titus
Hazardous Weather Outlook
National Weather Service Paducah KY
856 PM CDT Wed Aug 19 2026
ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-210200-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
856 PM CDT Wed Aug 19 2026 /956 PM EDT Wed Aug 19 2026/
This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.
.DAY ONE...Tonight
Scattered to numerous thunderstorms are expected to move east
southeast across the Quad State through the night. Severe storms
with damaging winds, large hail, and a few tornadoes will be
possible, mainly to the south of a DuQuoin Illinois to Greenville
Kentucky line.
A swath of very heavy rainfall may lead to flash flooding concerns
overnight. Refer to the Flood Watch for additional details.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
Small chances of thunderstorms are forecast Thursday afternoon,
and then off and on from Friday night through Tuesday. Brief heavy
downpours and lightning would be the primary concerns.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed this evening and into part of the
overnight.
$$
Hazardous Weather Outlook
National Weather Service Tulsa OK
806 PM CDT Wed Aug 19 2026
ARZ001-002-010-011-119-120-129-219-220-229-OKZ049-053-055>071-
073>075-154-172-176-254-272-276-354-376-210115-
Benton-Carroll-Washington AR-Madison-Northern Crawford-
Northern Franklin-North and Central Sebastian-Southern Crawford-
Central and Southern Franklin-Southern Sebastian-Pushmataha-
Choctaw-Washington OK-Nowata-Craig-Ottawa-Pawnee-Tulsa-Rogers-
Mayes-Delaware-Creek-Okfuskee-Okmulgee-Wagoner-Cherokee-Adair-
Muskogee-McIntosh-Pittsburg-Haskell-Latimer-Western Osage-
Northern Sequoyah-Northern Le Flore-Northeast Osage-
Central and Southern Sequoyah-Central Le Flore-Southeast Osage-
Southern Le Flore-
806 PM CDT Wed Aug 19 2026
This Outlook is for Northwest and West Central Arkansas as well as
much of Eastern Oklahoma.
.DAY ONE...Through Tonight.
THUNDERSTORMS WITH DANGEROUS LIGHTNING.
RISK...Elevated.
AREA...Mainly near and north of I-40.
ONSET...Ongoing.
DANGEROUS HEAT.
RISK...Limited.
AREA...Areawide.
ONSET...Ongoing.
DISCUSSION...
Hot conditions will diminish the next few hours, but temperatures
will remain warm overnight. A few showers and thunderstorms are
ongoing across northwest Arkansas, these will continue for the
next few hours. Additional showers or storms may develop near the
weak cold front overnight. This could occur anywhere, but the most
likely area would be between Tulsa on the north end and Interstate
40 on the south end. Impacts would likely be minimal, but locally
gusty winds or brief heavy rain are possible.
SPOTTER AND EMERGENCY MANAGEMENT ACTION STATEMENT...
Spotter Activation Not Expected.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday.
THURSDAY TO FRIDAY...Dangerous Heat Potential.
SATURDAY TO TUESDAY...Thunderstorm Potential...Dangerous Heat Potential.
EXTENDED DISCUSSION...
Hot conditions will persist for the next week, particularly this
weekend into early next week. A slight chance of storms will
return to the area this weekend, focusing across northwest
Arkansas and portions of extreme northeast Oklahoma. Coverage will
likely be isolated and impacts minimal with overall dry weather
dominating.
weather.gov/tulsa contains additional information.
$$
Hazardous Weather Outlook
National Weather Service Wichita KS
740 PM CDT Wed Aug 19 2026
KSZ032-033-047>053-067>072-082-083-091>096-098>100-210045-
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase-
Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper-
Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette-
740 PM CDT Wed Aug 19 2026
This hazardous weather outlook is for portions of central Kansas,
east central Kansas, south central Kansas and southeast Kansas.
.DAY ONE...Tonight
A couple storms will be possible across far southern Kansas
overnight. Severe storms are not anticipated.
.DAYS TWO THROUGH SEVEN...Thursday through Tuesday
A few storms will be possible Thursday and Friday nights across
central Kansas. A few strong storms appear possible with this
activity. Widely scattered storms will be possible both Sunday
night and Monday night. A couple strong storms maybe possible with
this activity.
More widespread heat indices greater than 100 degrees are expected
again for Friday-Tuesday impacting much of south-central and
southeast Kansas.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
&&
For a graphical version of this information, see our webpage at:
https://www.weather.gov/erh/ghwo?wfo=ict
$$
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0505 AM CDT Wed Aug 19 2026
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-201005-
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 Wed Aug 19 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...Thursday through Tuesday.
The probability for widespread hazardous weather is low.
.KEY MESSAGES...
- Showers and thunderstorms continue through the morning hours.
Damaging winds, hail, and heavy rainfall continues.
- Additional showers and thunderstorms are possible this
afternoon and evening primarily across northern MO.
- Temperatures gradually warm through the week with more hot
and humid conditions possible next week. Additional storm
chances are possible through this week.
$$
