589  
FXUS61 KCLE 221801  
AFDCLE  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE CLEVELAND OH  
201 PM EDT TUE SEP 22 2026  
   
WHAT HAS CHANGED  
 
NO SIGNIFICANT CHANGES FROM THE PREVIOUS FORECAST.  
 
 
   
KEY MESSAGES  
 
1) BELOW AVERAGE TEMPERATURES AND PERIODIC RAIN SHOWERS WILL  
CONTINUE THROUGH WEDNESDAY.  
 
2) DRY AND MORE SEASONABLE WEATHER WILL RETURN BY THE END OF THE  
WEEK INTO THE WEEKEND.  
 
 
   
DISCUSSION  
 
KEY MESSAGE 1...  
THE LATEST RADAR AND SATELLITE IMAGERY REVEAL A LARGE AREA OF  
CLOUD COVER AND OCCASIONAL LIGHT RAIN SHOWERS AND/OR DRIZZLE  
EXTENDING FROM THE MIDWEST TO THE MID-ATLANTIC COAST, ASSOCIATED  
WITH AN ELONGATED SURFACE TROUGH TO THE NORTH OF A STATIONARY  
FRONT. INITIALLY, PERIODIC LIGHT RAIN AND/OR DRIZZLE IS EXPECTED  
TODAY, GENERALLY EAST OF THE I-71 CORRIDOR FURTHER AWAY FROM  
THE BETTER FORCING. HOWEVER, THIS SURFACE TROUGH WILL GRADUALLY  
MOVE WEST ACROSS THE OHIO VALLEY INTO WEDNESDAY AS HIGH PRESSURE  
BEGINS BUILDING SOUTH ACROSS THE EASTERN GREAT LAKES, RESULTING  
IN MORE WIDESPREAD SHOWERS OVERNIGHT INTO WEDNESDAY AFTERNOON.  
CONFIDENCE IS INCREASING FOR A FEW THUNDERSTORMS TO ACCOMPANY  
THIS ACTIVITY, ESPECIALLY NEAR THE I-71 CORRIDOR AS THE LATEST  
GUIDANCE INDICATES A NARROW SWATH OF ELEVATED INSTABILITY > 500  
J/KG. THE WEAK FORCING IN PLACE SHOULD LIMIT RAINFALL AMOUNTS TO  
LESS THAN AN INCH, THOUGH LOCALIZED HIGHER AMOUNTS, ESPECIALLY  
IN THUNDERSTORMS, REMAIN POSSIBLE. RAIN CHANCES WILL QUICKLY  
DIMINISH WEDNESDAY EVENING AND OVERNIGHT AS HIGH PRESSURE  
CONTINUES TO BUILD SOUTH INTO THE AREA.  
 
PERIODIC RAIN SHOWERS AND CLOUD COVER WILL CONTRIBUTE TO BELOW  
AVERAGE DAYTIME TEMPERATURES IN THE 60S OR PERHAPS EVEN UPPER 50S AT  
TIMES AND LOWS IN THE 50S OR UPPER 40S.  
 
KEY MESSAGE 2...  
HIGH PRESSURE WILL BUILD SOUTH ACROSS THE GREAT LAKES BY THE  
END OF THE WEEK AND PERSIST THROUGH THE WEEKEND. INITIALLY, HIGH  
PRESSURE AND THE DEPARTING CHILLY AIR MASS COULD RESULT IN A  
FAVORABLE SCENARIO FOR SOME LOWS IN THE UPPER 30S TO DEVELOP,  
PARTICULARLY ACROSS INLAND NORTHWEST PENNSYLVANIA, THOUGH 40S  
SHOULD BE MORE COMMON ELSEWHERE. THE AIR MASS WILL GRADUALLY  
MODERATE THROUGH THE WEEKEND WITH HIGH PRESSURE IN PLACE.  
TEMPERATURES WILL RETURN TO THE UPPER 60S TO LOW 70S BY SUNDAY  
AND PERHAPS EVEN HIGHER INTO THE MID TO UPPER 70S BY EARLY NEXT  
WEEK.  
 
 
   
AVIATION /18Z TUESDAY THROUGH SUNDAY/  
 
LOW CEILINGS CONTINUE TO BE THE MAIN TAF CHALLENGE THROUGH  
WEDNESDAY MORNING AS A SURFACE TROUGH HANGS BACK OVER THE AREA.  
MOST SITES ARE SOLIDLY MVFR EARLY THIS AFTERNOON, AND EXPECT  
MORE WIDESPREAD PERIODS OF IFR TO DEVELOP THIS AFTERNOON AND  
EVENING AS THE NEXT ROUND OF LIGHT RAIN AND DRIZZLE SLOWLY  
SPREADS NW ACROSS THE REGION. THE BULK OF THIS PRECIP AND IFR  
WILL BE OVER SOUTHERN AREAS (KMFD, KCAK, AND KYNG), BUT IFR  
COULD BRIEFLY IMPACT OTHER SITES TOO, JUST TOO LOW OF A  
PROBABILITY TO PUT IN THOSE TAFS. A MIX OF MVFR/IFR CIGS AND  
POCKETS OF MIST IS THEN EXPECTED TONIGHT, WITH THE GREATEST  
POTENTIAL TO SEE REDUCED VIS IN MIST AT KMFD, KCAK, AND KYNG.  
THIS WILL EVENTUALLY BE OVERTAKEN BY YET ANOTHER WAVE OF SHOWERS  
THAT WILL GRADUALLY SPREAD NORTH WEDNESDAY MORNING, AND THIS  
WILL CAUSE MVFR/IFR TO LINGER INTO WEDNESDAY AFTERNOON.  
 
NE WINDS WILL CONTINUE TO AVERAGE 10-15 KNOTS THROUGH  
WEDNESDAY, WITH OCCASIONAL GUSTS OF 20-25 KNOTS.  
 
OUTLOOK...NON-VFR POSSIBLE WITH SHOWERS AND OCCASIONAL  
THUNDERSTORMS THROUGH THURSDAY.  
 
 
   
MARINE  
 
ROUGH MARINE CONDITIONS WILL CONTINUE ACROSS LAKE ERIE THROUGH  
WEDNESDAY WITH PERSISTENT EAST TO NORTHEAST WINDS OF 15 TO 25 KNOTS  
AND GUSTS UP TO 30 KNOTS, RESULTING IN WAVE HEIGHTS OF 4 TO 7 FEET.  
CONDITIONS WILL REMAIN CHOPPY ON THURSDAY, PERHAPS EVEN BRIEFLY  
REACHING SMALL CRAFT CRITERIA, AS NORTHEAST FLOW ONLY GRADUALLY  
IMPROVES TO 15 TO 20 KNOTS. WINDS WILL CONTINUE TO GRADUALLY WEAKEN  
ON FRIDAY THROUGH THE WEEKEND, THOUGH WILL REMAIN OUT OF THE NORTH  
TO NORTHEAST WITH THE BUILDING HIGH PRESSURE TO THE NORTH, 10 TO 15  
KNOTS.  
 
GIVEN THE LINGERING SURFACE TROUGH DRAPED ACROSS LAKE ERIE, CAN'T  
RULE OUT A LOW CHANCE OF WATERSPOUTS WITH ANY SHOWERS THAT DEVELOP  
INTO THIS EVENING, PARTICULARLY ACROSS THE CENTRAL AND WESTERN  
BASINS OF THE LAKE.  
 
 
   
CLE WATCHES/WARNINGS/ADVISORIES  
 
OH...BEACH HAZARDS STATEMENT THROUGH WEDNESDAY EVENING FOR OHZ003-  
007-009>012-089.  
PA...BEACH HAZARDS STATEMENT UNTIL 11 PM EDT THIS EVENING FOR  
PAZ001.  
MARINE...SMALL CRAFT ADVISORY UNTIL 10 PM EDT WEDNESDAY FOR LEZ142>148.  
SMALL CRAFT ADVISORY UNTIL 11 PM EDT THIS EVENING FOR LEZ149.  
 
 
 
 
 
DISCUSSION...KAHN  
AVIATION...GARUCKAS  
MARINE...KAHN  
CLICK HERE TO GO TO PREVIOUS BULLETINS.
The Nexlab OH Page
The Nexlab PA Page
Main Text Page