274  
FXUS61 KBGM 042335  
AFDBGM  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE BINGHAMTON NY  
735 PM EDT SUN OCT 4 2026  
   
WHAT HAS CHANGED
 
 
PRECIPITATION CHANCES ADJUSTED FOR COLD FRONT PASSAGE TONIGHT  
AND LAKE EFFECT RAIN SHOWERS OVER NORTH CENTRAL NY ON MONDAY.  
 

 
   
KEY MESSAGES
 
 
1) A FEW LIGHT SPRINKLES WILL BE POSSIBLE THIS AFTERNOON BUT  
MOST SHOULD STAY DRY. A COLD FRONT MOVING THROUGH THE AREA  
TONIGHT WILL BRING CHANCES FOR SCATTERED SHOWERS, FOLLOWED BY  
LAKE EFFECT RAIN SHOWERS THROUGH MONDAY MORNING.  
 
2) COOLER WEATHER ARRIVES EARLY THIS WEEK, WITH WIDESPREAD  
FROST POSSIBLE MONDAY AND TUESDAY NIGHTS BEFORE WARMER  
CONDITIONS RETURN FOR THE REST OF THE WEEK.  
 

 
   
DISCUSSION
 
 
KEY MESSAGE 1...  
 
A PRE-FRONTAL TROUGH MOVING ACROSS NY AND A LOW PRESSURE SYSTEM  
MOVING UP THE EAST COAST ARE THE MAIN WEATHER FEATURES IMPACTING  
THE AREA TODAY. THESE FEATURES ARE GENERATING SOME RADAR RETURNS  
OVER THE AREA, BUT WITH DRY AIR AT THE SURFACE, MOST OF THE  
PRECIPITATION WILL NOT MAKE IT TO THE GROUND. WITH VARYING CLOUD  
COVER OVER THE AREA, TEMPERATURES WILL RANGE FROM THE MID 50S TO  
UPPER 60S ACROSS THE AREA, WITH HIGHER TEMPERATURES EXPECTED  
ACROSS THE NORTHERN FINGER LAKES AND MOHAWK VALLEY.  
 
A COLD FRONT WILL PUSH THROUGH TONIGHT AS A LOW PRESSURE SYSTEM  
SLIDES ACROSS ONTARIO. SCATTERED SHOWERS WILL BE POSSIBLE  
ACROSS CNY STARTING AFTER MIDNIGHT, MOVING FROM WEST TO EAST.  
COLD AIR WILL FILTER IN BEHIND THE FRONT, ALLOWING LAKE EFFECT  
SHOWERS TO DEVELOP ACROSS PORTIONS OF ONONDAGA, MADISON AND S  
ONEIDA COUNTIES. THESE SHOWERS SHOULD LINGER INTO THE LATE  
MORNING/EARLY AFTERNOON BEFORE A SURFACE HIGH MOVING IN FROM THE  
WEST ENDS THE PRECIPITATION CHANCES. EARLY MORNING TEMPS IN THE  
MID 40S TO LOW 50S WILL CLIMB TO THE MID TO UPPER 50S BY THE  
AFTERNOON HOURS.  
 
KEY MESSAGE 2...  
 
HIGH PRESSURE WILL DOMINATE THE WEATHER PATTERN FOR MOST OF THE  
WEEK. SOME OF THE COLDEST AIR OF THE SEASON WILL GET DRAGGED  
INTO THE REGION MONDAY AND TUESDAY. OVERNIGHT LOWS WILL FALL  
INTO THE MID TO UPPER 30S MONDAY NIGHT AND TUESDAY NIGHT.  
PATCHY FROST WILL BE POSSIBLE, ESPECIALLY WHERE WINDS GO CALM.  
THE CENTER OF THE HIGH IS NOW FORECAST TO MOVE OVERHEAD A LITTLE  
LATER, WHICH WOULD KEEP WINDS ACTIVE A LITTLE LONGER AND LIMIT  
FROST FORMATION. IF THE HIGH CAN MOVE EASTWARD A LITTLE QUICKER,  
WE WILL HAVE MORE WIDESPREAD FROST AND MAY EVEN HAVE SOME  
SHELTERED VALLEYS HIT FREEZING. COOL TEMPS STICK AROUND DURING  
THE DAY ON TUESDAY, WITH 50S FORECAST ACROSS MUCH OF THE AREA.  
TUESDAY NIGHT MAY BE COLD AGAIN, BUT THE SPEED OF THE RIDGE  
AXIS AND SURFACE HIGH MOVING EASTWARD WILL DETERMINE IF WE ARE  
IN THE LOW TO MID 30S OR MID 30S TO LOW 40S. THE LATEST MODEL  
RUNS HAVE SPED UP THE RIDGE AND THUS THE WAA. WE WILL KEEP AN  
EYE ON THIS. WARM AIR WILL RETURN FOR THE END OF THE WEEK, WITH  
60S FOR HIGHS AND 40S FOR LOWS EXPECTED. A PASSING WEAK WAVE  
MAY KICK OFF SOME SCATTERED RAIN SHOWERS ACROSS THE NORTHERN  
PORTION OF THE CWA ON THURSDAY, BUT MOST SHOULD STAY DRY THROUGH  
THE END OF THE WEEK.  
 

 
   
AVIATION /00Z MONDAY THROUGH FRIDAY/
 
 
LOW STRATUS WILL CAUSE IFR CEILINGS AT ELM UNTIL A COLD FRONT  
PUSHES THROUGH LATER TONIGHT. AFTER THE FRONT PUSHES THROUGH  
AFTER MIDNIGHT, WINDS INCREASE OUT OF THE WEST/NORTHWEST AND  
SHOULD MIX OUT IFR CEILINGS OVER ELM. HOWEVER, AN MVFR CLOUD  
DECK SHOULD PUSH IN WITH THE FRONT THROUGH THE EARLY MORNING  
HOURS BEFORE CLEARING MID TO LATE MORNING. AVP WILL HAVE BETTER  
LOW LEVEL MOISTURE AHEAD OF THE FRONT SO BRIEF IFR IS POSSIBLE  
THERE AS THE FRONT PASSES.  
 
VFR AT ALL TERMINALS AFTER 15 OR 16Z MONDAY.  
 
OUTLOOK...  
 
MONDAY NIGHT THROUGH FRIDAY...MAINLY VFR, SOME POTENTIAL FOR  
MORNING FOG AT ELM.  
 

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

 
 

 
 
DISCUSSION...JTC  
AVIATION...AJG/MPK  
 
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