556  
FXUS63 KAPX 280254  
AFDAPX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GAYLORD MI  
1054 PM EDT SUN SEP 27 2026  
   
KEY MESSAGES  
 
- DRY AND WARMING TEMPERATURES THROUGH TUESDAY.  
 
- RAIN CHANCES INCREASE TUESDAY NIGHT THROUGH WEDNESDAY NIGHT.  
 
- LOW-END SHOWER CHANCES LINGER LATE WEEK, WITH PLENTY OF DRY TIME.  
 
 
   
DISCUSSION  
 
ISSUED AT 246 PM EDT SUN SEP 27 2026  
 
THE QUIET WEATHER PATTERN CONTINUES THROUGH THE FIRST HALF OF  
THE WEEK, THOUGH A DECAYING SHORTWAVE WILL BRING SOME INCREASE  
IN CLOUD COVER LATER TODAY INTO TONIGHT. OTHERWISE, TODAY WILL  
REMAIN DRY WITH PLENTY OF SUNSHINE, WHILE THE ADDITIONAL CLOUDS  
TONIGHT SHOULD HELP KEEP TEMPERATURES FROM FALLING QUITE AS MUCH  
AS RECENT NIGHTS. LOWS WILL GENERALLY BE IN THE 40S, WITH SOME  
COLDER INTERIOR SPOTS POTENTIALLY DIPPING INTO THE UPPER 30S.  
THE ADDED CLOUD COVER SHOULD ALSO HELP LIMIT THE COVERAGE OF FOG  
TONIGHT INTO MONDAY MORNING.  
 
THE SURFACE HIGH GRADUALLY SHIFTS AWAY MONDAY INTO TUESDAY,  
ALLOWING RETURN FLOW TO DEVELOP AND TEMPERATURES TO WARM. EXPECT  
MOSTLY SUNNY SKIES AND A CONTINUED WARMING TREND, WITH HIGHS  
REACHING THE 70S BOTH DAYS AND SOME LOCATIONS POTENTIALLY  
PUSHING INTO THE UPPER 70S BY TUESDAY. DESPITE THE WARMER  
AFTERNOONS, THE DRY AIRMASS WILL CONTINUE TO SUPPORT FAIRLY COOL  
OVERNIGHT TEMPERATURES, GENERALLY IN THE 40S. OVERALL,  
CONDITIONS LOOK DRY AND QUIET THROUGH TUESDAY.  
 
A CHANGE IN THE PATTERN ARRIVES TUESDAY NIGHT INTO WEDNESDAY AS  
A NORTHERN-STREAM WAVE MOVES THROUGH THE GREAT LAKES AND BEGINS  
TO PULL DEEPER MOISTURE FARTHER NORTH. SHOWER CHANCES WILL  
INCREASE TUESDAY NIGHT/ WEDNESDAY (ESPECIALLY WEDNESDAY NIGHT),  
BUT THERE REMAINS UNCERTAINTY IN HOW MUCH PRECIPITATION ACTUALLY  
REACHES NORTHERN MICHIGAN WITH VERY DRY AIR ALREADY IN PLACE.  
THE TIMING AND EVENTUAL TRACK OF THE WAVE WILL BE IMPORTANT IN  
DETERMINING HOW MUCH OF A PUSH THIS SYSTEM MAKES INTO THE  
REGION. WITH THE WAVE CURRENTLY STILL FAVORED TO PASS DURING THE  
NIGHTTIME AND RELATIVELY DRY AIR STILL IN PLACE, RAINFALL MAY  
BE LIMITED, WITH MORE MEANINGFUL AMOUNTS LIKELY DEPENDENT ON ANY  
CONVECTIVE ENHANCEMENT.  
 
THROUGH THE LATTER HALF OF THE WEEK, THE ACTIVE PRECIPITATION  
CORRIDOR TO OUR SOUTH MAY GRADUALLY LIFT NORTHWARD, KEEPING AT  
LEAST LOW-END SHOWER CHANCES IN THE FORECAST, PARTICULARLY  
ACROSS SOUTHERN PORTIONS OF THE AREA. THERE SHOULD STILL BE  
PLENTY OF DRY TIME, AND FORECAST TRENDS COULD CONTINUE TO SHIFT  
WETTER OR DRIER DEPENDING ON HOW FAR NORTH THE MOISTURE AND  
FORCING ASSOCIATED WITH THE SOUTHERN SYSTEM CAN GET.  
TEMPERATURES WILL TREND COOLER FOLLOWING THE MIDWEEK WAVE, WITH  
HIGHS SETTLING BACK INTO THE 60S TOWARD THE END OF THE WEEK AND  
OVERNIGHT LOWS GENERALLY IN THE 40S OR SLIGHTLY COOLER.  
 
 
   
AVIATION /06Z TAFS THROUGH 06Z TUESDAY/  
 
ISSUED AT 1050 PM EDT SUN SEP 27 2026  
 
PATCHY FG/BR DEVELOPMENT IS POSSIBLE ACROSS PARTS OF NORTHERN  
MICHIGAN TONIGHT, ESPECIALLY INTERIOR LOW-LYING AREAS AND BODIES OF  
WATER. EXPECTATION IS THAT DEVELOPMENT AT TAF SITES WILL STRUGGLE  
OUTSIDE OF MBL WHERE DROPS TO IFR/LIFR WILL BE POSSIBLE INTO MONDAY  
MORNING. ANY FG/BR WILL DISSIPATE QUICKLY AFTER SUNRISE, AND VFR  
CONDITIONS WILL BE IN PLACE FROM MONDAY MORNING THROUGH THE END OF  
THE ISSUANCE PERIOD.  
 
 
   
APX WATCHES/WARNINGS/ADVISORIES  
 
MI...NONE.  
MARINE...NONE.  
 
 
 
 
 
DISCUSSION...NSC  
AVIATION...DJC  
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