090  
FXUS61 KBGM 132335  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
735 PM EDT SAT SEP 13 2025  
   
SYNOPSIS
 
 
HIGH PRESSURE WILL DOMINATE THE WEATHER OVER THE NEXT WEEK, BRINGING  
MOSTLY SUNNY SKIES AND WARM TEMPERATURES. THERE WILL BE A SMALL  
CHANCE FOR A FEW ISOLATED RAIN SHOWERS OR SPRINKLES INTO  
SUNDAY, BUT OTHERWISE DRY AND WARMER THAN AVERAGE WEATHER WILL  
PERSIST THROUGH MOST OF NEXT WEEK.  
 

 
   
NEAR TERM /THROUGH SUNDAY NIGHT/
 
 
A SHORT WAVE WILL CROSS THE REGION THIS AFTERNOON AND EVENING.  
VERY LITTLE MOISTURE IS AVAILABLE IN THE LOW LEVELS AS THIS  
SYSTEM PASSES, SO ALTHOUGH THERE WILL BE AN INCREASE IN MID  
LEVEL CLOUDS, ANY CHANCE FOR MEASURABLE RAINFALL IS VERY LOW.  
THERE WILL LIKELY BE A FEW AREAS OF SPRINKLES THIS AFTERNOON  
AND EVENING, BUT THE CHANCES FOR ANYWHERE TO MEASURE ABOVE 0.01"  
IS VERY LOW SO POPS WERE KEPT BELOW THE SLIGHT CHANCE CATEGORY  
OF 15%.  
 
FOR SUNDAY, ONCE AGAIN, CANNOT COMPLETELY RULE OUT A CHANCE FOR  
AN ISOLATED SHOWER OR SPRINKLE OVER THE CATSKILLS AS THE  
SURFACE FRONT PUSHES THROUGH, BUT STILL UNLIKELY ANYTHING  
MEASURABLE WILL OCCUR. OTHERWISE DRY AND PARTLY CLOUDY SUNDAY WITH  
HIGH TEMPERATURES IN THE MID TO UPPER 70S.  
 

 
   
SHORT TERM /MONDAY THROUGH TUESDAY NIGHT/
 
 
HIGH PRESSURE WILL RETURN WITH MOSTLY SUNNY AFTERNOONS AND WARM  
CONDITIONS. HIGH TEMPERATURES WILL BE ABOVE AVERAGE AND IN THE  
UPPER 70S TO LOW 80S. NIGHTS WILL BE CLEAR AND COOL WITH LOWS IN  
THE UPPER 40S TO MID 50S WITH PATCHY RIVER VALLEY FOG.  
 

 
   
LONG TERM /WEDNESDAY THROUGH SATURDAY/
 
 
A LOT OF UNCERTAINTY AT THIS TIME IN THE LONG TERM MODEL  
GUIDANCE. AT THIS TIME, IT APPEARS THAT HIGH PRESSURE MAY WIN  
OUT ACROSS THE NE U.S., HOWEVER WE WILL HAVE TO WATCH OUT FOR A  
POTENTIAL COASTAL LOW ALONG THE MID ATLANTIC COME THURSDAY. AT  
THIS TIME, NBM HAS SLIGHT CHANCE POPS FOR THURSDAY ACROSS NE PA,  
WHICH IS REASONABLE AS A LOT OF MODEL GUIDANCE AND ENSEMBLES  
KEEP ANY PRECIPITATION SOUTH OF THE REGION.  
 
AT THIS POINT IN TIME, THERE IS A GOOD DEAL OF UNCERTAINTY AND  
SPREAD IN THE ENSEMBLE GUIDANCE FOR END OF THE WEEK AND THE  
START OF NEXT WEEKEND. EURO AND GFS SHOW THE POTENTIAL FOR A  
FRONTAL SYSTEM PUSHING INTO THE REGION NEXT WEEKEND WITH  
SHOWERS. NBM IS JUST INTRODUCING SLIGHT CHANCE SHOWERS FOR NOW,  
BUT WILL HAVE TO WAIT AND SEE HOW THE MODELS TREND THE NEXT FEW  
DAYS AND IF POPS START TO INCREASE AS WE GET CLOSER.  
 

 
   
AVIATION /00Z SUNDAY THROUGH THURSDAY/
 
 
A WEAK WAVE ALOFT WILL EXIT THIS EVENING, TAKING DECKS OF CLOUDS  
MOSTLY IN THE 9-15KFT RANGE OUT WITH IT OVERNIGHT. THIS WILL  
AGAIN YIELD A GOOD SET UP FOR VALLEY FOG AT KELM; TYPICAL OF ANY  
CLEAR NIGHT IN MID SEPTEMBER. IFR VIS MAY START TO FLUTTER IN-  
AND-OUT AS EARLY AS 05Z, AND FURTHER DEGRADATION TO AIRPORT  
MINIMUMS ARE LIKELY AFTER 07Z, ESPECIALLY 09-13Z. OTHER  
TERMINALS ARE ANTICIPATED TO STAY VFR BECAUSE OF HOW DRY  
CONDITIONS HAVE BEEN FOR MANY DAYS, WHICH WILL KEEP FOG  
DEVELOPMENT SHALLOW TO VALLEYS LIKE KELM. ALL TERMINALS VFR  
DURING THE DAY SUNDAY AS RENEWED HIGH PRESSURE CONTINUES TO  
BUILD IN.  
 
OUTLOOK...  
 
SUNDAY NIGHT THROUGH THURSDAY...MAINLY VFR. VALLEY FOG EACH  
LATE NIGHT/EARLY MORNING AT KELM WILL LIKELY BRING RESTRICTIONS.  
 

 
   
BGM WATCHES/WARNINGS/ADVISORIES
 
 
PA...NONE.  
NY...NONE.  
 

 
 

 
 
SYNOPSIS...MPK/MJM  
NEAR TERM...MPK/MJM  
SHORT TERM...MPK/MJM  
LONG TERM...MPK/MJM  
AVIATION...MDP  
 
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