Heat Advisory
URGENT - WEATHER MESSAGE
National Weather Service Springfield MO
510 AM CDT Tue Aug 18 2026
KSZ073-097-101-MOZ066-077-088-093-101>104-190100-
/O.CON.KSGF.HT.Y.0009.260818T1800Z-260819T0100Z/
Bourbon-Crawford-Cherokee-Vernon-Barton-Jasper-Newton-McDonald-
Barry-Stone-Taney-
Including the cities of Pittsburg, Powersite, South West City,
Joplin, Neosho, Elsey, Hollister, Rocky Comfort, Stippville,
Columbus, Goodman, Cassville, Kenoma, Pawnee Station, Lowell,
Chicopee, Edgewater Beach, Lamar, Ozark Beach, Kimberling City,
Fort Scott, Branson, Monett, Lone Oak, Indian Point, Silver
Dollar City, Anderson, Madry, Nevada, Riverton, Baxter Springs,
Sherwin, Noel, Pineville, Neutral, Carthage, Crane, Kirbyville,
and Forsyth
510 AM CDT Tue Aug 18 2026
...HEAT ADVISORY REMAINS IN EFFECT FROM 1 PM THIS AFTERNOON TO 8 PM
CDT THIS EVENING...
* WHAT...Heat index values up to 105 expected.
* WHERE...Portions of southeast Kansas and southwest and west
central Missouri.
* WHEN...From 1 PM this afternoon to 8 PM CDT this evening.
* IMPACTS...Hot temperatures and high humidity may cause heat
illnesses.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
Drink plenty of fluids, stay in an air-conditioned room, stay out of
the sun, and check up on relatives and neighbors.
&&
$$
For more information from the National Weather Service, visit
http://weather.gov/sgf
SM
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Wichita KS
843 AM CDT Tue Aug 18 2026
KSZ032-033-047>053-067>072-082-083-091>096-098>100-191345-
Russell-Lincoln-Barton-Ellsworth-Saline-Rice-McPherson-Marion-Chase-
Reno-Harvey-Butler-Greenwood-Woodson-Allen-Kingman-Sedgwick-Harper-
Sumner-Cowley-Elk-Wilson-Neosho-Chautauqua-Montgomery-Labette-
843 AM CDT Tue Aug 18 2026
This hazardous weather outlook is for portions of central Kansas,
east central Kansas, south central Kansas and southeast Kansas.
.DAY ONE...Today and Tonight
Heat indices between 100 and 105 degrees are expected to return
this afternoon areawide, highest in south-central and portions of
southern Kansas. See the Heat Advisory for more details.
Thunderstorm chances are expected to increase this evening across
central Kansas, and persist through the night, mainly along and
northeast of a line extending from Great Bend to Newton to Chanute.
A few strong to severe thunderstorms are possible, capable of large
hail and damaging winds.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Thunderstorm chances will be present areawide Wednesday night, with
a few strong to severe storms possible.
Heat indices greater than 100 degrees are possible on Wednesday
afternoon along the Kansas and Oklahoma border. More widespread
heat indices greater than 100 degrees are expected again on
Saturday, Sunday, and Monday impacting much of south-central and
southeast Kansas.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated today or tonight.
&&
For a graphical version of this information, see our webpage at:
https://www.weather.gov/erh/ghwo?wfo=ict
$$
Hazardous Weather Outlook
National Weather Service Kansas City/Pleasant Hill MO
0505 AM CDT Tue Aug 18 2026
KSZ025-057-060-102>105-MOZ001>008-011>017-020>025-028>033-037>040-
043>046-053-054-191005-
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 Tue Aug 18 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...Wednesday through Monday.
The probability for widespread hazardous weather is low.
.KEY MESSAGES...
- Severe thunderstorms are possible today and tonight, with the
most likely timing from late this evening through the
overnight hours.
- Near-normal temperatures likely Wednesday into early next week
with low precipitation chances, mainly early next week.
$$
Hazardous Weather Outlook
National Weather Service Topeka KS
446 AM CDT Tue Aug 18 2026
KSZ008>012-020>024-026-034>040-054>056-058-059-191000-
Republic-Washington-Marshall-Nemaha-Brown-Cloud-Clay-Riley-
Pottawatomie-Jackson-Jefferson-Ottawa-Dickinson-Geary-Morris-
Wabaunsee-Shawnee-Douglas-Lyon-Osage-Franklin-Coffey-Anderson-
446 AM CDT Tue Aug 18 2026
This Hazardous Weather Outlook is for central Kansas, east central
Kansas, north central Kansas and northeast Kansas.
.DAY ONE...Today and tonight.
There is a slight risk for severe storms this evening into tonight
across the entire area. If storms can strengthen enough, they could
be capable of damaging wind gusts, small hail, and heavy rainfall.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
There is a marginal risk for severe storms Wednesday night across
the entire area. If storms develop, they could be capable of damaging
wind gusts and small hail.
.SPOTTER MESSAGE
Weather spotters are encouraged to relay reports of hail, damaging
wind, and flooding.
&&
More detailed information can be found at:
www.weather.gov/media/top/DssPacket.pdf
$$
Hazardous Weather Outlook
National Weather Service Des Moines IA
349 AM CDT Tue Aug 18 2026
IAZ004>007-015>017-023>028-033>039-044>050-057>062-070>075-
081>086-092>097-190900-
Emmet-Kossuth-Winnebago-Worth-Palo Alto-Hancock-Cerro Gordo-
Pocahontas-Humboldt-Wright-Franklin-Butler-Bremer-Sac-Calhoun-
Webster-Hamilton-Hardin-Grundy-Black Hawk-Crawford-Carroll-Greene-
Boone-Story-Marshall-Tama-Audubon-Guthrie-Dallas-Polk-Jasper-
Poweshiek-Cass-Adair-Madison-Warren-Marion-Mahaska-Adams-Union-
Clarke-Lucas-Monroe-Wapello-Taylor-Ringgold-Decatur-Wayne-
Appanoose-Davis-
349 AM CDT Tue Aug 18 2026
This Hazardous Weather Outlook is for portions of central Iowa.
.DAY ONE...Today and tonight
Thunderstorms are expected today. A damaging wind gusts and
locally heavy rain is possible, mainly this morning. Isolated to
scattered storms may redevelop this afternoon and continue
tonight. The threat for severe weather is low with those storms.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday
Occasional storm chances persist through the end of the week
including over western Iowa on Wednesday and the entire area
Thursday night.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
317 AM CDT Tue Aug 18 2026
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-190830-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
317 AM CDT Tue Aug 18 2026
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Isolated severe thunderstorms are possible late this afternoon
and evening. Damaging winds are the primary threat. Locally
heavy rain is also possible.
.DAYS TWO THROUGH SEVEN...WEDNESDAY THROUGH MONDAY
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is possible this afternoon and evening.
$$
Hazardous Weather Outlook
National Weather Service Springfield MO
312 AM CDT Tue Aug 18 2026
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-190815-
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-
312 AM CDT Tue Aug 18 2026
This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Marginal hail risk.
Slight thunderstorm wind damage risk.
Limited lightning risk.
Elevated extreme heat risk.
Elevated excessive rainfall risk
DISCUSSION...
Heat index values of 105-110 degrees are possible today in
portions of eastern Kansas and far southern and western Missouri,
where a Heat Advisory is in effect from 1 PM to 8 PM this
afternoon and evening.
Severe thunderstorms and flooding will be possible with a complex
of storms that develops late tonight into early Wednesday morning
in central Missouri. Damaging winds will be the primary hazard.
.DAYS TWO THROUGH SEVEN...Wednesday through Monday.
Another round of strong to severe thunderstorms and heavy
rainfall will occur Wednesday evening into the overnight hours.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed through tonight.
&&
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
$$
Melto
