904  
FXUS61 KPBZ 042243  
AFDPBZ  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE PITTSBURGH PA  
643 PM EDT SUN OCT 4 2026  
   
WHAT HAS CHANGED
 
 
UPDATED 00Z AVIATION DISCUSSION.  
 

 
   
KEY MESSAGES
 
 
1) QUIET AND DRY WEATHER THROUGH THE END OF THE WEEK. MONITOR  
FROST POTENTIAL FOR TOMORROW NIGHT. NEXT CHANCE OF RAIN COULD BE  
SUNDAY INTO MONDAY.  
 

 
   
DISCUSSION
 
 
KEY MESSAGE 1...  
THE LARGE-SCALE PATTERN ACROSS THE OHIO RIVER VALLEY FAVORS  
NEAR-SEASONABLE TEMPERATURES AND GENERALLY DRY WEATHER, WITH  
RIDGING OVER THE WEST COAST SUPPORTING DEEP TROUGH ACROSS THE  
GREAT LAKES AND EAST COAST.  
 
FOLLOWING THE PASSAGE OF A COLD FRONT MONDAY, TEMPERATURES COULD  
FALL INTO THE MID-30S ACROSS PORTIONS OF THE REGION MONDAY NIGHT  
INTO EARLY TUESDAY. GIVEN THE ONGOING GROWING SEASON, FROST WILL  
BECOME A CONCERN, PARTICULARLY ACROSS FOREST, JEFFERSON (PA),  
PRESTON, AND TUCKER COUNTIES, WHERE HEADLINES MAY BE NEEDED.  
CLOUD COVERAGE AND THE POTENTIAL OF WEAK WARM AIR ADVECTION WILL  
NEED TO BE MONITORED CLOSELY. AN INCREASE IN CLOUD COVERAGE AND  
WARM AIR COULD KEEP TEMPERATURES SLIGHTLY WARMER AND LIMIT FROST  
DEVELOPMENT.  
 
CONFIDENCE REMAINS HIGH THAT DRY CONDITIONS WILL PERSIST THROUGH  
AT LEAST SATURDAY. THE NEXT POTENTIAL FOR RAINFALL MAY COME FROM  
THE REMNANTS OF A TROPICAL DISTURBANCE CURRENTLY BEING  
MONITORED BY THE NATIONAL HURRICANE CENTER SUNDAY INTO MONDAY.  
 

 
   
AVIATION /00Z MONDAY THROUGH FRIDAY/
 
 
GENERALLY CLEAR SKIES ARE EXPECTED FOR MUCH OF TONIGHT AS LOW  
CLOUDS EXIT EASTWARD. A WEAK COLD FRONT SHOULD RESULT IN A  
STRATOCU LAYER AFFECTING FKL AND DUJ OVERNIGHT, WITH LOW VFR TO  
MVFR CIGS LIKELY. ELSEWHERE, THE CU RULE AND MODEL SOUNDINGS  
INDICATE A SCATTERED DIURNAL CUMULUS LAYER ON MONDAY, WITH GUSTY  
NW WIND UP TO 20KT BEHIND THE EXITING COLD FRONT. SKIES SHOULD  
CLEAR AS WIND DIMINISHES LATE MONDAY UNDER BUILDING HIGH  
PRESSURE.  
 
OUTLOOK...  
OUTSIDE OF EARLY MORNING RIVER VALLEY FOG, VFR IS EXPECTED  
THROUGH FRIDAY UNDER HIGH PRESSURE.  
 

 
   
PBZ WATCHES/WARNINGS/ADVISORIES
 
 
PA...NONE.  
OH...NONE.  
WV...NONE.  
 

 
 

 
 
DISCUSSION...HEFFERAN  
AVIATION...WM  
 
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