Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Paducah KY
347 AM CDT Thu Aug 13 2026
ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-140900-
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-
347 AM CDT Thu Aug 13 2026 /447 AM EDT Thu Aug 13 2026/
This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.
.DAY ONE...Today and Tonight
An Extreme Heat Warning is in effect for the entire Quad State.
Please refer to the Warning for details.
Scattered thunderstorms are expected mainly along the Interstate
64 corridor this afternoon. A few severe storms with damaging
winds are possible.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday
An Extreme Heat Warning is now in effect for the entire Quad State
for Thursday through Sunday. Please refer to the Warning for details.
Thunderstorms will be possible Monday afternoon and evening. A few
strong storm are possible.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed late this afternoon.
$$
Hazardous Weather Outlook
National Weather Service Lincoln IL
500 AM CDT Thu Aug 13 2026
ILZ027>031-036>038-040>057-061>063-066>068-071>073-141000-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-
Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
500 AM CDT Thu Aug 13 2026
This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.
.DAY ONE...Today and tonight.
Heat indices of 95 to 105 are expected this afternoon south of I-72.
A thunderstorm complex will move through central Illinois from late
morning through afternoon. Damaging winds gusts are the primary
threat, though a couple tornadoes cannot be ruled out. Additional
storms are expected late tonight into the overnight hours with
damaging winds and large hail possible with any stronger storms.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Hot and humid conditions will expand back northward through late
week. Peak afternoon heat indices will range from 95 to 105 Friday
through Sunday areawide.
Daily chances for thunderstorms exist through the weekend. Some of
these storms could be severe and produce heavy rain through at least
Saturday.
.SPOTTER INFORMATION STATEMENT...
Spotter activation may be needed later this morning into afternoon.
Expected storm motion is toward the east at 40-45 mph.
$$
NMA
Hazardous Weather Outlook
National Weather Service Springfield MO
155 AM CDT Thu Aug 13 2026
KSZ073-097-101-MOZ055>058-066>071-077>083-088>098-101>106-140700-
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-
155 AM CDT Thu Aug 13 2026
This Hazardous Weather Outlook is for portions of the Missouri
Ozarks and extreme southeast Kansas.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Significant extreme heat risk.
Limited Lightning Risk.
Limited excessive rainfall risk.
DISCUSSION...
Heat index values around 105 to 110 degrees will occur across the
area again this afternoon into early this evening. Limited relief
will occur during the overnight hours as lows only cool into the
middle 70s to the lower 80s.
There is a low chance (less than 20 percent) for an isolated
thunderstorm across portions of central Missouri today. Locally
heavy rainfall and gusty winds would be possible if storms can
develop. Coverage will be limited and most locations should remain
dry today.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Heat index values around 105 to 110 degrees will persist into the
upcoming weekend. Longevity of extreme heat with limited relief
during the night will elevate the heat risk and potential impacts.
Additional shower and thunderstorm chances (10-30%) will occur
across portions of the area early next week.
.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
$$
Wise
Hazardous Weather Outlook
National Weather Service Indianapolis IN
246 AM EDT Thu Aug 13 2026
INZ021-028>031-035>049-051>057-060>065-067>072-140700-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Vigo-Clay-Owen-Morgan-Johnson-Shelby-
Rush-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-Daviess-
Martin-Lawrence-Jackson-Jennings-
246 AM EDT Thu Aug 13 2026
This hazardous weather outlook is for central Indiana.
.DAY ONE...Today and Tonight.
Flooding will continue across mainly eastern portions of central
Indiana. Some portions of the Upper White River and Big Blue River
may reach major flood stage.
Strong to severe storms will be possible this afternoon and evening
with damaging winds as the main threat. Flash flooding then looks
likely through the overnight, mainly across the I-74 corridor.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Thunderstorms will be possible at times through the weekend along
with continued river flooding.
.SPOTTER INFORMATION STATEMENT...
Spotters are encouraged to remain vigilant this week as multiple rounds
of severe storms will be possible.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$