663  
FXUS63 KAPX 131033  
AFDAPX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GAYLORD MI  
633 AM EDT THU AUG 13 2026  
   
KEY MESSAGES
 
 
- CHANCE FOR SHOWERS/STORMS THIS WEEKEND  
 

 
   
DISCUSSION
 
 
ISSUED AT 305 AM EDT THU AUG 13 2026  
 
WNW FLOW ALOFT WILL BE TEMPORARILY DISPLACED THIS WEEKEND, AS PART  
OF THE WESTERN RIDGE PUSHES EAST THRU THE REGION, THOUGH  
DEAMPLIFYING SOMEWHAT AS IT DOES SO. THIS WILL TURN THE UPPER FLOW  
MORE WESTERLY FOR A BIT, JUST AHEAD OF A SHORTWAVE TROF PASSING LATE  
IN THE WEEKEND. THEN ITS BACK TO WNW FLOW NEXT WEEK.  
 
MOSTLY CLEAR SKIES OUT THERE, THOUGH WITH PATCHY MID/HIGH CLOUDS  
ADVANCING FROM WI AND WESTERN UPPER MI. SOME FOG/STRATUS ALSO  
POPPING UP, ESPECIALLY IN SOUTH WHERE SURFACE DEW POINTS REMAIN  
HIGHER THAN ELSEWHERE. SUPPOSE THERE IS A NON-ZERO OF THE LAKE HURON  
LAKE BREEZE KICKING OFF SOME SHOWERS FOR THE NE LOWER MI COASTAL  
COUNTIES. SOME RECENT RUNS OF THE HRRR/RAP DO THIS, BUT MOST  
GUIDANCE DOES NOT. AND SOME PATCHY FOG RETURNS LATE TONIGHT. BUT  
OTHERWISE, HIGH PRESSURE PASSING NORTH OF SUPERIOR ON FRIDAY WILL  
PUSH DRIER AIR INTO THE AREA. DEW POINTS WILL LOWER INTO THE 50S IN  
MANY AREAS ON FRIDAY, WHICH SHOULD MAKE CONVECTION MORE DIFFICULT,  
EVEN WITH A SHORTWAVE POTENTIALLY DIGGING ACROSS LK HURON.  
 
A ZONE OF UNSETTLED WX WILL REMAIN IN THE SOUTHERN LAKES/NORTHERN OH  
VALLEY FOR THE COUPLE OF DAYS. AS THE SURFACE HIGH HEADS DOWNSTREAM  
SATURDAY, AND LOW PRESSURE EVOLVES IN THE NORTHERN PLAINS/SOUTHERN  
CANADA, WARMTH AND MOISTURE WILL ATTEMPT TO WORK NORTH. A DECENT  
CHANCE FOR SHOWERS AND STORMS SHOULD RESULT FOR LATE SATURDAY INTO  
SUNDAY. SURFACE COLD FRONT GOES THRU SUNDAY, AND NORTHERLY FLOW AND  
COOLER/DRIER AIR PUSH IN SUNDAY NIGHT THRU MONDAY NIGHT. WNW FLOW  
ALOFT BECOMES A BIT MORE ENERGETIC AFTER THAT, WITH SHOWER CHANCES  
RESUMING TUESDAY. TEMPS AREA A LITTLE COOLER, ESPECIALLY SUNDAY AND  
BEYOND, BUT OVERALL PRETTY YUMMY LATE-SUMMER STUFF.  
 

 
   
AVIATION /12Z TAFS THROUGH 12Z FRIDAY/
 
 
ISSUED AT 633 AM EDT THU AUG 13 2026  
 
ONLY DEALING WITH FOG AT MBL THIS MORNING, THOUGH IT IS  
OCCASIONALLY VLIFR THERE. QUICK IMPROVEMENT THIS MORNING, AND A  
PLEASANT VFR DAY AND EVENING OTHERWISE, WITH LIGHT WINDS. MBL  
LIKELY TO RETURN TO SOME FOG LATE TONIGHT, UNCERTAIN WHETHER  
ANYONE ELSE WILL.  
 

 
   
APX WATCHES/WARNINGS/ADVISORIES
 
 
MI...NONE.  
MARINE...NONE.  
 

 
 

 
 
DISCUSSION...JZ  
AVIATION...JZ  
 
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