Dense Fog Advisory
URGENT - WEATHER MESSAGE
National Weather Service St Louis MO
319 AM CST Fri Nov 21 2025
ILZ058>060-095>097-MOZ018-019-026-027-211500-
/O.CON.KLSX.FG.Y.0013.000000T0000Z-251121T1500Z/
Greene IL-Macoupin IL-Montgomery IL-Adams IL-Brown IL-Pike IL-
Knox MO-Lewis MO-Shelby MO-Marion MO-
Including the cities of Mount Sterling, Quincy, Pittsfield,
Hannibal, and Litchfield
319 AM CST Fri Nov 21 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
* WHAT...Visibility one quarter to one half mile in dense fog.
* WHERE...In Illinois, Montgomery IL, Greene IL, Macoupin IL, Adams
IL, Brown IL, and Pike IL Counties. In Missouri, Knox MO, Lewis
MO, Marion MO, and Shelby MO Counties.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Gosselin
URGENT - WEATHER MESSAGE
National Weather Service Quad Cities IA IL
304 AM CST Fri Nov 21 2025
IAZ099-ILZ034-035-MOZ009-010-211500-
/O.CON.KDVN.FG.Y.0013.000000T0000Z-251121T1500Z/
Lee-Hancock-McDonough-Scotland-Clark-
Including the cities of Memphis, Fort Madison, Carthage, Macomb,
and Kahoka
304 AM CST Fri Nov 21 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
* WHAT...Visibility one quarter mile or less. The very low
visibilities may be interspersed with visibilities of a mile or
better.
* WHERE...In Illinois, Hancock and McDonough Counties. In Iowa, Lee
County. In Missouri, Clark and Scotland Counties.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous
this morning.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
12
URGENT - WEATHER MESSAGE
National Weather Service Paducah KY
300 AM CST Fri Nov 21 2025
ILZ075-080>082-084>086-088>090-092>094-KYZ001>009-MOZ076-086-087-100-
107>112-114-211500-
/O.CON.KPAH.FG.Y.0009.000000T0000Z-251121T1500Z/
Jefferson-Perry IL-Franklin-Hamilton-Jackson-Williamson-Saline-
Union-Johnson-Pope-Alexander-Pulaski-Massac-Fulton-Hickman-
Carlisle-Ballard-McCracken-Graves-Livingston-Marshall-Calloway-
Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-Ripley-Butler-
Stoddard-Scott-Mississippi-New Madrid-
Including the cities of Jonesboro, Doniphan, Benton, Smithland,
Golconda, Van Buren, Cairo, New Madrid, Metropolis, Poplar Bluff,
Mount Vernon, Vienna, Jackson, Harrisburg, West Frankfort,
Paducah, Charleston, Carbondale, Bardwell, Murray, Bloomfield,
Herrin, Clinton, Marble Hill, Piedmont, Murphysboro, Wickliffe,
McLeansboro, Perryville, Mound City, Pinckneyville, Mayfield,
Cape Girardeau, Sikeston, and Hickman
300 AM CST Fri Nov 21 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
* WHAT...Visibility one quarter to one half mile in dense fog.
* WHERE...Portions of southern Illinois, western Kentucky, and
southeast Missouri.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
PAH
URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
215 AM CST Fri Nov 21 2025
ILZ031-036>038-040>057-061-211500-
/O.CON.KILX.FG.Y.0015.000000T0000Z-251121T1500Z/
Woodford-Fulton-Tazewell-McLean-Schuyler-Mason-Logan-De Witt-
Piatt-Champaign-Vermilion-Cass-Menard-Scott-Morgan-Sangamon-
Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Including the cities of Havana, Paris, Pekin, Mattoon,
Beardstown, Decatur, Winchester, Charleston, Tuscola, Canton,
Bloomington, Urbana, Sullivan, Springfield, Petersburg, Eureka,
Shelbyville, Monticello, Lincoln, Normal, Clinton, Rushville,
Champaign, Jacksonville, Taylorville, and Danville
215 AM CST Fri Nov 21 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 9 AM CST THIS
MORNING...
* WHAT...Visibility one quarter to one half mile in dense fog.
* WHERE...Portions of central, east central, and west central
Illinois.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Copple
URGENT - WEATHER MESSAGE
National Weather Service Lincoln IL
215 AM CST Fri Nov 21 2025
ILZ062-063-066-211500-
/O.EXA.KILX.FG.Y.0015.000000T0000Z-251121T1500Z/
Cumberland-Clark-Effingham-
Including the cities of Marshall, Greenup, and Effingham
215 AM CST Fri Nov 21 2025
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST THIS MORNING...
* WHAT...Visibility one to two miles in dense fog.
* WHERE...Clark, Cumberland, and Effingham Counties.
* WHEN...Until 9 AM CST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
URGENT - WEATHER MESSAGE
National Weather Service Indianapolis IN
217 AM EST Fri Nov 21 2025
INZ021-028>031-035>049-211500-
/O.CON.KIND.FG.Y.0008.000000T0000Z-251121T1500Z/
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-
Boone-Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-
Putnam-Hendricks-Marion-Hancock-Henry-
Including the cities of Lebanon, Union City, Muncie,
Indianapolis, Frankfort, Noblesville, Rockville, Fishers, Tipton,
Flora, Delphi, Covington, Attica, West Lafayette, Fairview Park,
Anderson, Clinton, Plainfield, Brownsburg, Zionsville, New
Castle, Greenfield, Williamsport, Rosedale, Winchester,
Veedersburg, Farmland, Carmel, Parker City, Danville, Montezuma,
Greencastle, Crawfordsville, Kokomo, Lafayette, and West Lebanon
217 AM EST Fri Nov 21 2025
...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM EST THIS
MORNING...
* WHAT...Visibility one quarter mile or less in dense fog.
* WHERE...Portions of central, east central, north central, and west
central Indiana.
* WHEN...Until 10 AM EST this morning.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Ryan
URGENT - WEATHER MESSAGE
National Weather Service Chicago IL
720 PM CST Thu Nov 20 2025
ILZ032-033-039-INZ010-011-019-211130-
/O.NEW.KLOT.FG.Y.0014.251121T0120Z-251121T1500Z/
Livingston-Iroquois-Ford-Newton-Jasper-Benton-
Including the cities of Fowler, Dwight, Rensselaer, Oxford,
Paxton, Morocco, Gibson City, Watseka, Fairbury, Gilman, DeMotte,
Kentland, Roselawn, and Pontiac
720 PM CST Thu Nov 20 2025 /820 PM EST Thu Nov 20 2025/
...DENSE FOG ADVISORY IN EFFECT UNTIL 9 AM CST /10 AM EST/ FRIDAY...
* WHAT...Visibility oVisibility one quarter mile or less in dense
fog.
* WHERE...In Illinois, Livingston, Ford, and Iroquois Counties. In
Indiana, Benton, Jasper, and Newton Counties.
* WHEN...Until 9 AM CST /10 AM EST/ Friday.
* IMPACTS...Low visibility could make driving conditions hazardous.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
If driving, slow down, use your headlights, and leave plenty of
distance ahead of you.
&&
$$
Ratzer
Hazardous Weather Outlook
Hazardous Weather Outlook
National Weather Service Quad Cities IA IL
321 AM CST Fri Nov 21 2025
IAZ040>042-051>054-063>068-076>078-087>089-098-099-ILZ001-002-007-
009-015>018-024>026-034-035-MOZ009-010-221200-
Buchanan-Delaware-Dubuque-Benton-Linn-Jones-Jackson-Iowa-Johnson-
Cedar-Clinton-Muscatine-Scott-Keokuk-Washington-Louisa-Jefferson-
Henry IA-Des Moines-Van Buren-Lee-Jo Daviess-Stephenson-Carroll-
Whiteside-Rock Island-Henry IL-Bureau-Putnam-Mercer-Henderson-
Warren-Hancock-McDonough-Scotland-Clark-
321 AM CST Fri Nov 21 2025
This Hazardous Weather Outlook is for portions of north central
Illinois...northwest Illinois...west central Illinois...east
central Iowa...northeast Iowa...southeast Iowa and northeast
Missouri.
.DAY ONE...TODAY AND TONIGHT
Patchy dense fog reducing visibility down to a quarter mile, will
continue through 9 AM this morning across portions of far
southeast Iowa, northeast Missouri, and west central Illinois.
There is a low chance that some of these same areas will have
patchy dense fog again late tonight into early Saturday morning.
.DAYS TWO THROUGH SEVEN...SATURDAY THROUGH THURSDAY
The probability for widespread hazardous weather is low.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed today or tonight.
$$
12
Hazardous Weather Outlook
National Weather Service St Louis MO
312 AM CST Fri Nov 21 2025
ILZ058>060-064-065-069-070-074-079-095>102-MOZ018-019-026-027-
034>036-041-042-047>052-059>065-072>075-084-085-099-220915-
Greene IL-Macoupin IL-Montgomery IL-Bond IL-Fayette IL-Clinton IL-
Marion IL-Washington IL-Randolph IL-Adams IL-Brown IL-Pike IL-
Calhoun IL-Jersey IL-Madison IL-Saint Clair IL-Monroe IL-Knox MO-
Lewis MO-Shelby MO-Marion MO-Monroe MO-Ralls MO-Pike MO-Boone MO-
Audrain MO-Moniteau MO-Cole MO-Osage MO-Callaway MO-Montgomery MO-
Lincoln MO-Gasconade MO-Warren MO-Saint Charles MO-Franklin MO-
Saint Louis MO-Saint Louis City MO-Jefferson MO-Crawford MO-
Washington MO-Saint Francois MO-Sainte Genevieve MO-Iron MO-
Madison MO-Reynolds MO-
312 AM CST Fri Nov 21 2025
This Hazardous Weather Outlook is for portions of eastern and
central Missouri as well as west central and southwest Illinois.
.DAY ONE...Today and tonight.
Isolated thunderstorms are possible this afternoon in parts of
southeast Missouri.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
$$
Gosselin
Hazardous Weather Outlook
National Weather Service Paducah KY
252 AM CST Fri Nov 21 2025
ILZ075>078-080>094-INZ081-082-085>088-KYZ001>022-MOZ076-086-087-
100-107>112-114-221200-
Jefferson-Wayne IL-Edwards-Wabash-Perry IL-Franklin-Hamilton-
White-Jackson-Williamson-Saline-Gallatin-Union-Johnson-Pope-
Hardin-Alexander-Pulaski-Massac-Gibson-Pike-Posey-Vanderburgh-
Warrick-Spencer-Fulton-Hickman-Carlisle-Ballard-McCracken-Graves-
Livingston-Marshall-Calloway-Crittenden-Lyon-Trigg-Caldwell-
Union KY-Webster-Hopkins-Christian-Henderson-Daviess-McLean-
Muhlenberg-Todd-Perry MO-Bollinger-Cape Girardeau-Wayne MO-Carter-
Ripley-Butler-Stoddard-Scott-Mississippi-New Madrid-
252 AM CST Fri Nov 21 2025 /352 AM EST Fri Nov 21 2025/
This Hazardous Weather Outlook is for portions of southern
Illinois, southwest Indiana, western Kentucky, and southeast
Missouri.
.DAY ONE...Today and Tonight
Areas of fog can be expected across the region this morning. A
Dense Fog Advisory, for visibilities of 1/2 mile or less, is in
effect across most of southern Illinois, all of southeast
Missouri, and portions of west Kentucky along and west of a line
from Salem to the Land Between the Lakes until 9 AM. Areas of
patchy dense fog may linger beyond then.
Showers and thunderstorms are expected across the area today. The
main threats will be lightning and heavy downpours.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday
Showers and a few thunderstorms are possible Monday evening across
portions of southeast Missouri and southern Illinois.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be needed.
$$
Hazardous Weather Outlook
National Weather Service Chicago/Romeoville IL
235 AM CST Fri Nov 21 2025
ILZ003>006-008-010>013-019>021-023-032-033-039-103>108-INZ001-002-
010-011-019-220845-
Winnebago-Boone-McHenry-Lake IL-Ogle-Lee-De Kalb-Kane-DuPage-
La Salle-Kendall-Grundy-Kankakee-Livingston-Iroquois-Ford-
Northern Cook-Central Cook-Southern Cook-Northern Will-
Southern Will-Eastern Will-Lake IN-Porter-Newton-Jasper-Benton-
235 AM CST Fri Nov 21 2025 /335 AM EST Fri Nov 21 2025/
This Hazardous Weather Outlook is for portions of north central
Illinois...northeast Illinois and northwest Indiana.
.DAY ONE...Today and Tonight.
Weather hazards expected...
Limited Fog Risk.
DISCUSSION...
Patchy dense fog will continue to be possible early this morning
south of a Pontiac to Valparaiso line.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation will not be necessary through tonight.
$$
Hazardous Weather Outlook
National Weather Service Indianapolis IN
308 AM EST Fri Nov 21 2025
INZ021-028>031-035>049-054>057-221000-
Carroll-Warren-Tippecanoe-Clinton-Howard-Fountain-Montgomery-Boone-
Tipton-Hamilton-Madison-Delaware-Randolph-Vermillion-Parke-Putnam-
Hendricks-Marion-Hancock-Henry-Morgan-Johnson-Shelby-Rush-
308 AM EST Fri Nov 21 2025
This hazardous weather outlook is for central Indiana.
.DAY ONE...Today and Tonight.
Dense fog is expected through mid morning with visibilities at a
quarter mile or less at times.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$
Hazardous Weather Outlook
National Weather Service Indianapolis IN
308 AM EST Fri Nov 21 2025
INZ051>053-060>065-067>072-221000-
Vigo-Clay-Owen-Sullivan-Greene-Monroe-Brown-Bartholomew-Decatur-Knox-
Daviess-Martin-Lawrence-Jackson-Jennings-
308 AM EST Fri Nov 21 2025
This hazardous weather outlook is for central Indiana.
.DAY ONE...Today and Tonight.
Patchy fog will reduce visibilities this morning.
.DAYS TWO THROUGH SEVEN...Saturday through Thursday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated.
&&
More information, along with other weather, hydrological and climate
information can be found at http://weather.gov/ind
$$
Ryan
Hazardous Weather Outlook
National Weather Service Lincoln IL
249 PM CST Thu Nov 20 2025
ILZ027>031-036>038-040>057-061>063-066>068-071>073-211200-
Knox-Stark-Peoria-Marshall-Woodford-Fulton-Tazewell-McLean-Schuyler-
Mason-Logan-De Witt-Piatt-Champaign-Vermilion-Cass-Menard-Scott-
Morgan-Sangamon-Christian-Macon-Moultrie-Douglas-Coles-Edgar-Shelby-
Cumberland-Clark-Effingham-Jasper-Crawford-Clay-Richland-Lawrence-
249 PM CST Thu Nov 20 2025
This Hazardous Weather Outlook is for central Illinois, east
central Illinois, southeast Illinois and west central Illinois.
.DAY ONE...Tonight.
Areas of fog will develop again this evening, with the lowest
visibility occurring from about Jacksonville to Danville, southward
to I-70. The visibility will start to improve as rain moves into the
region late tonight.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
No hazardous weather is expected at this time.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not anticipated tonight.
$$
Geelhart
Hazardous Weather Outlook
National Weather Service Louisville KY
338 PM EST Thu Nov 20 2025
INZ076>079-083-084-089>092-KYZ023>043-045>049-053>057-061>067-
070>078-081-082-212045-
Orange-Washington IN-Scott IN-Jefferson IN-Dubois-Crawford-Perry-
Harrison IN-Floyd-Clark IN-Hancock-Breckinridge-Meade-Ohio-Grayson-
Hardin-Bullitt-Jefferson-Oldham-Trimble-Henry-Shelby-Franklin-
Scott KY-Harrison KY-Spencer-Anderson-Woodford-Fayette-Bourbon-
Nicholas-Nelson-Washington KY-Mercer-Jessamine-Clark KY-Larue-Marion-
Boyle-Garrard-Madison-Butler-Edmonson-Hart-Green-Taylor-Casey-
Lincoln-Logan-Warren-Simpson-Allen-Barren-Monroe-Metcalfe-Adair-
Russell-Cumberland-Clinton-
338 PM EST Thu Nov 20 2025 /238 PM CST Thu Nov 20 2025/
This Hazardous Weather Outlook is for portions of southern Indiana
and central Kentucky.
.DAY ONE...Tonight.
Low clouds with patchy drizzle and mist may result in a reduction in
visibilities this evening and into the overnight hours.
.DAYS TWO THROUGH SEVEN...Friday through Wednesday.
Rain showers are expected across the outlook area on Friday. There is
a chance of embedded thunderstorms across southern Kentucky. The main
threats would be heavy rainfall and lightning.
.SPOTTER INFORMATION STATEMENT...
Spotter activation is not expected at this time.
&&
More information, along with other weather, hydrological and
climate information can be found, at weather.gov/louisville.
$$
