568
FXUS61 KPBZ 210545
AFDPBZ
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE PITTSBURGH PA
145 AM EDT WED OCT 21 2026
WHAT HAS CHANGED
NO SIGNIFICANT CHANGES TO THE FORECAST.
KEY MESSAGES
1) DRY CONDITIONS AND NEAR TO ABOVE NORMAL HIGH TEMPERATURE
WITH LIGHT FROST CHANCES PREVAIL THROUGH THE WEEKEND.
DISCUSSION
KEY MESSAGE 1...
LITTLE CHANGE IN OVERALL PATTERN IS EXPECTED THROUGH THE PERIOD
AS SURFACE HIGH PRESSURE AND VARYING DEGREES OF UPPER RIDGING
CONTINUE INTO EARLY NEXT WEEK. EXPECT NEAR TO ABOVE NORMAL HIGH
TEMPERATURE WITH POTENTIAL FOR LARGER DIURNAL TEMPERATURE
SWINGS, DRY WEATHER, A PREPONDERANCE OF SUNSHINE, AND PERIODIC
OCCURRENCES OF MORNING FROST (FAVORING AREAS WHERE THE GROWING
SEASON HAS ENDED). LREF PROBABILITIES OF MEASURABLE
PRECIPITATION THROUGH 2PM MONDAY REMAIN LESS THAN 15%.
AVIATION /06Z WEDNESDAY THROUGH SUNDAY/
A HIGH-CONFIDENCE VFR FORECAST CONTINUES THROUGH THE WEEK. THE
ONLY LOCALIZED IMPACT WILL BE MORNING RIVER VALLEY FOG, ONCE
AGAIN MOST LIKELY TO IMPACT HLG BETWEEN 11Z AND 13Z. OTHERWISE,
A CLEAR SKY AND A VARIABLE OR LIGHT NORTH TO NORTHEAST WIND CAN
BE EXPECTED INTO THIS EVENING, CALMING OVERNIGHT.
OUTLOOK...
OUTSIDE OF ANY MORNING RIVER VALLEY FOG, VFR IS HIGHLY LIKELY
THROUGH SUNDAY UNDER HIGH PRESSURE.
PBZ WATCHES/WARNINGS/ADVISORIES
PA...NONE.
OH...NONE.
WV...NONE.
DISCUSSION...RACKLEY/FRAZIER
AVIATION...RACKLEY
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