414  
FXUS63 KAPX 221701  
AFDAPX  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE GAYLORD MI  
101 PM EDT MON JUN 22 2026  
   
KEY MESSAGES  
 
- PERIODS OF SHOWERS AND STORMS WEDNESDAY THROUGH THURSDAY.  
 
- WARMING TREND LATER THIS WEEKEND INTO NEXT WEEK, ALTHOUGH  
REMAINING ACTIVE AT TIMES.  
 
 
   
DISCUSSION  
 
ISSUED AT 1257 PM EDT MON JUN 22 2026  
 
PATTERN SYNOPSIS AND FORECAST:  
 
HIGH PRESSURE OFF TO THE WEST TONIGHT, AND THUS A WEAK PRESSURE  
GRADIENT WILL BE OVERHEAD. ALTHOUGH THERE COULD BE A LITTLE  
PATCHY FOG TONIGHT ACROSS NORTHWEST LOWER, THE SIGNAL IS NOT  
VERY ROBUST AND THE GRADIENT MAY KEEP THE LOW LEVELS MIXED  
ENOUGH TO LIMIT FOG POTENTIAL. REGARDLESS, IT WOULD BE FOR A  
VERY BRIEF PERIOD DURING THE PRE-DAWN HOURS.  
 
DISTURBANCE PASSES TO THE NORTH LATER TONIGHT INTO TUESDAY, WITH  
HIGH PRESSURE BUILDING IN FROM THE NORTHWEST DURING THE DAYTIME  
HOURS. TEMPS OVERALL REMAIN WITHIN A FEW DEGREES OF MONDAY AS A  
RESULT. AN ISOLATED SHOWER OR TWO PERHAPS IN THE VICINITY OF  
SAGINAW BAY NEAR THE LAKE BREEZE TUESDAY AFTERNOON? SIGNIFICANT  
SUBSIDENCE LIKELY LIMITS THIS POTENTIAL, CERTAINLY NOT IMPACTFUL  
EITHER WAY.  
 
ROBUST SHORT WAVE DIGS INTO THE UPPER MIDWEST TUESDAY NIGHT,  
SHIFTING EAST ON WEDNESDAY INTO PORTIONS OF THE GREAT LAKES.  
INSTABILITY AXIS LATER TUESDAY INTO WEDNESDAY EXPECTED WEST OF LAKE  
MICHIGAN IN WISCONSIN, AS IT NORMALLY IS, AND THUS SHOWERS AND  
STORMS WILL FIRE OFF IN RESPONSE TO THE FEATURE ALOFT AND ASSOCIATED  
LOW PRESSURE SYSTEM/FRONTAL FEATURES. CONSEQUENTLY, THIS ACTIVITY  
MAY DRIFT EASTWARD INTO MICHIGAN ON WEDNESDAY, IN ADDITION TO  
ADDITIONAL SHOWER AND STORM DEVELOPMENT BY THE FEATURE ALOFT AND  
APPROACHING LOW PRESSURE SYSTEM. INSTABILITY LOOKS MINOR ON  
WEDNESDAY, AND SO NOT CURRENTLY EXPECTING A SEVERE THREAT THROUGH  
THE AFTERNOON. DISTURBANCE AND SFC LOW MOVE EAST THROUGH THE NIGHT  
WITH MINOR ELEVATED INSTABILITY, BUT ALSO INCREASING SHEAR  
ESPECIALLY THE FARTHER SOUTH YOU GO IN NORTHERN LOWER MI. DELICATE  
COMBINATION OVERNIGHT THAT CAN SOMETIMES SURPRISE, BUT HARD TO TELL  
AT THIS TIME THE EXACT EXTENT OF THE CONVECTIVE POTENTIAL OVERNIGHT.  
THE LACK OF ROBUST INSTABILITY IS A LIMITING FACTOR.  
 
THE VORT MAX AND TROUGH AXIS SLOWLY WORKS SOUTHEAST WITH TIME INTO  
THURSDAY AND PASSING INTO NORTHERN MI THROUGH THE DAY. THIS WILL  
RESULT IN ADDITIONAL SHOWERS AND STORMS ON THURSDAY. BETTER  
INSTABILITY IS PROGGED THURSDAY AFTERNOON, AND THUS PROBABLY THE  
BETTER POTENTIAL FOR THUNDERSTORMS, ESPECIALLY ACROSS NORTHEAST  
LOWER MICHIGAN. CURRENT GUIDANCE PROGS A MODEST COMBINATION OF BULK  
SHEAR AND INSTABILITY WHICH, IF REALIZED, MAY RESULT IN A FEW STRONG  
STORMS (GIVEN THE SETUP REMAINS AND STORMS DO FIRE OFF).  
 
HEIGHTS RISE THIS WEEKEND, ESPECIALLY THE SECOND HALF, INTO NEXT  
WEEK IN RESPONSE TO DEEP TROUGHING ACROSS THE PACIFIC NORTHWEST.  
CONSEQUENTLY, TEMPERATURES WILL WARM INTO THE 80S FOR PORTIONS OF  
THE AREA. THAT BEING SAID, THIS ENERGY AND ANY ASSOCIATED SFC  
REFLECTIONS WILL SHIFT EASTWARD WITH TIME, RESULTING IN THE CHANCE  
FOR SHOWERS AND THUNDERSTORMS WITHIN THIS WARMER AND MORE HUMID  
PATTERN.  
 
 
   
AVIATION /12Z TAFS THROUGH 12Z TUESDAY/  
 
ISSUED AT 652 AM EDT MON JUN 22 2026  
 
MAINLY VFR, BUT WILL KEEP AN EYE OUT FOR FOG LATE TONIGHT. BAND  
OF SHOWERS HAS WEAKENED AS IT CROSSED EASTERN UPPER MI IN THE  
PRE-DAWN HOURS. NOT IMPOSSIBLE FOR A SHOWER OR TWO TO REGENERATE  
THIS MORNING, WITH A BETTER CHANCE IN NE LOWER MI THIS AFTERNOON  
AND EVENING. APN HAS THE BEST CHANCE OF SEEING -SHRA, BUT EVEN  
THERE THAT CHANCE IS SMALL, AND RESTRICTIONS ARE STILL  
UNLIKELY. EXPECTING LESS CLOUD COVER TONIGHT THAN THIS MORNING,  
WHICH WOULD GIVE US A BETTER CHANCE FOR FOG LATE. FOR NOW HAVE  
MVFR/IFR FOG RETURNING TO MBL VERY LATE TONIGHT (THE ONE SITE  
THAT HAD FOG THE PREVIOUS NIGHT).  
 
NNW TO N WINDS TODAY, BECOMING LIGHTER TONIGHT.  
 
 
   
APX WATCHES/WARNINGS/ADVISORIES  
 
MI...NONE.  
MARINE...NONE.  
 
 
 
 
 
DISCUSSION...JLD  
AVIATION...JZ  
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