556  
FXUS63 KPAH 181055  
AFDPAH  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PADUCAH KY  
555 AM CDT SUN OCT 18 2026  
   
KEY MESSAGES  
 
- WIDESPREAD FROST IS EXPECTED TONIGHT AS TEMPERATURES DROP INTO  
THE LOWER TO MIDDLE 30S. PORTIONS OF SOUTHEAST MISSOURI AND  
SOUTHERN ILLINOIS MAY BRIEFLY REACH THE FREEZING MARK.  
 
- A WARMING TREND WILL BEGIN ON SUNDAY, WITH HIGH TEMPERATURES  
CLIMBING A FEW DEGREES ABOVE NORMAL FOR WEDNESDAY THROUGH  
FRIDAY. NO RAIN AND FEW CLOUDS ARE EXPECTED.  
 
 
   
DISCUSSION  
 
ISSUED AT 1200 AM CDT SUN OCT 18 2026  
 
1034MB SURFACE RIDGE SITS JUST TO THE NORTHEAST OF THE AREA.  
DEWPOINTS ARE IN THE UPPER 30S TO LOW 40S WITH CLEAR SKIES AND  
CALM WINDS. WE APPEAR ON TRACK FOR A VERY STRONG RADIATIONAL  
COOLING EVENT THROUGH THE NEXT FEW HOURS WHICH SHOULD LEAD TO  
THE FIRST WIDESPREAD FROST OF THE SEASON.  
 
ANOTHER STRONG UPPER RIDGE BUILDS IN OVER THE CENTRAL PLAINS  
THROUGH THE NEXT FEW DAYS AND KEEPS OUR PATTERN BLOCKED UP  
THROUGH THE END OF THE WEEK. WE STILL LOOK ON TRACK FOR DRY AND  
PLEASANT CONDITIONS WITH SEASONABLE HIGHS IN THE 70S AND LOWS IN  
THE 40S. GUIDANCE CONSENSUS IS STRONG IN KEEPING THAT PATTERN IN  
PLACE AT LEAST INTO NEXT WEEKEND.  
 
 
   
AVIATION /12Z TAFS THROUGH 12Z MONDAY/  
 
ISSUED AT 555 AM CDT SUN OCT 18 2026  
 
VFR CONDITIONS WITH RELATIVELY LIGHT WINDS ARE EXPECTED THROUGH  
THE TAF PERIOD.  
 
 
   
PAH WATCHES/WARNINGS/ADVISORIES  
 
IL...FROST ADVISORY UNTIL 8 AM CDT THIS MORNING FOR ILZ075>078-  
080>094.  
MO...FROST ADVISORY UNTIL 8 AM CDT THIS MORNING FOR MOZ076-086-087-  
100-107>112-114.  
IN...FROST ADVISORY UNTIL 8 AM CDT /9 AM EDT/ THIS MORNING FOR  
INZ081-082-085>088.  
KY...FROST ADVISORY UNTIL 8 AM CDT THIS MORNING FOR KYZ001>022.  
 
 
 
 
 
DISCUSSION...JGG  
AVIATION...JGG  
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