203  
FXUS61 KCLE 232333  
AFDCLE  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE CLEVELAND OH  
733 PM EDT THU OCT 23 2025  
   
SYNOPSIS  
 
A TROUGH WILL PERSIST OVER THE REGION THROUGH THURSDAY NIGHT  
BEFORE SLOWLY BEGINNING TO SHIFT EAST AS HIGH PRESSURE BEGINS TO  
BUILD INTO THE REGION ON FRIDAY. THE HIGH WILL INFLUENCE THE AREA  
OVER THE WEEKEND AND DRIFT EAST EARLY NEXT WEEK.  
 
 
   
NEAR TERM /THROUGH FRIDAY NIGHT/  
 
615 PM UPDATE...  
AFTER EVALUATING LATEST MODEL GUIDANCE AND OVERALL OBSERVATIONAL  
TRENDS, OPTED TO ISSUE A FROST ADVISORY FOR TONIGHT FOR THE  
SOUTH-SOUTHWESTERN PORTION OF THE CWA. ALTHOUGH THERE STILL  
REMAINS A BIT OF UNCERTAINTY WITH HOW LINGERING LAKE ENHANCED  
CLOUDS WILL IMPACT DIURNAL COOLING, THE SCATTERED NATURE OF THE  
CLOUD DECK ACROSS THE SOUTHWESTERN COUNTIES SHOULD PROVIDE AT  
LEAST SOME AREAS WITH ENOUGH CLEARING TO COOL TO NEAR 33 DEGREES.  
IN ADDITION, TEMPERATURES ARE ALREADY A BIT COOLER THAN  
PREVIOUSLY FORECAST, SUGGESTING THAT EARLIER MODELS WERE  
SLIGHTLY MORE MILD THAN WHAT IS ACTUALLY HAPPENING. WINDS WILL  
REMAIN AROUND 5-10 KNOTS, WHICH AGAIN MAY LIMIT SOME FROST  
FORMATION. THE BIG TAKEAWAY IS THAT THERE ARE MULTIPLE FACTORS  
THAT MAY REDUCE FROST FORMATION, BUT THE LIKELIHOOD OF THESE  
FACTORS BEING WIDESPREAD IS NOT HIGH, THUS MANY AREAS WITHIN THE  
ADVISORY AREA WILL LIKELY SEE SOME FROST.  
 
PREVIOUS DISCUSSION...  
UPPER TROUGHING WILL PERSIST ACROSS THE REGION THROUGH THE NEAR TERM  
PERIOD, RESULTING IN CONTINUED DREARY AND CHILLY WEATHER.  
 
HIT AND MISS LAKE EFFECT SHOWERS DOWNWIND FROM LAKE MICHIGAN ARE  
LIKELY ACROSS NORTHWESTERN OHIO THIS AFTERNOON, ALTHOUGH THE MOST  
WIDESPREAD SHOWERS WILL BE ACROSS THE SNOWBELT REGION OF NE OH AND  
NW PA. A FEW RUMBLES OF THUNDER AND SMALL HAIL/GRAUPEL ARE POSSIBLE  
IN MORE CONVECTIVE SHOWERS THROUGH THIS EVENING, BUT SEVERE  
WEATHER IS NOT ANTICIPATED. PRECIP HAS LARGELY BECOME  
CELLULAR/MULTIBANDED SO THE POTENTIAL FOR PERSISTENT TRAINING IS  
SOMEWHAT LOW AT THIS POINT, HOWEVER RAIN MAY BE MODERATE TO  
HEAVY AT TIMES ACROSS THE PRIMARY SNOWBELT REGION OF NE OH/NW  
PA. ADDITIONAL QPF VALUES ACROSS THE HIGHER TERRAIN OF INLAND  
ERIE COUNTY, PA AND PORTIONS OF EASTERN CUYAHOGA INTO GEAUGA  
COUNTIES COULD BE UP TO AN INCH THROUGH TONIGHT WITH LOCALLY  
HIGHER AMOUNTS POSSIBLE. ELSEWHERE IN THE SNOWBELT, QPF VALUES  
SHOULD BE UP TO HALF AN INCH WITH MUCH LOWER QPF VALUES OUTSIDE  
OUT OF THE SNOWBELT. THERE MAY BE SOME MINOR FLOODING AND/OR  
PONDING IN AREAS THAT RECEIVE REPEATED ROUNDS OF MODERATE RAIN  
THROUGH TONIGHT, ESPECIALLY IN AREAS WITH STORM DRAINS THAT ARE  
CLOGGED WITH LEAVES AND LOCATIONS THAT RECEIVED HEAVY RAINFALL  
LAST NIGHT AND THIS MORNING.  
 
RAIN WILL BE MORE SCATTERED ON FRIDAY AND LARGELY EXPECT DRY  
WEATHER ACROSS NW OH, BUT HIGH RES GUIDANCE IS HINTING AT  
POTENTIAL FOR A MORE PRONOUNCED BAND OF RAIN SOMEWHERE ACROSS NE  
OH/NW PA DUE TO AN UPSTREAM LAKE HURON CONNECTION THROUGH  
FRIDAY NIGHT.  
 
TEMPERATURES WILL FALL INTO THE UPPER 30S TO LOWER 40S WHERE  
CLOUDS/SHOWERS PERSIST ACROSS NORTHERN OHIO AND NW PA TONIGHT WITH  
LOW TO MID 30S POSSIBLE ACROSS INTERIOR NORTHWESTERN/NORTH-CENTRAL  
OHIO. WITH THAT BEING SAID, LAKE EFFECT CLOUD COVER FROM LAKE  
MICHIGAN MAY PRODUCE SLIGHTLY WARMER TEMPS IN INLAND WESTERN ZONES.  
OVERALL FROST POTENTIAL FOR THE LOCAL AREA IS LOW TONIGHT GIVEN THE  
HIGHER CLOUD COVER AND ELEVATED SURFACE/925MB WINDS, HOWEVER THE  
TEMPERATURE GRADIENT WILL LIKELY BE SHARP AND CLOSE TO THE SOUTHWEST  
BORDER OF THE CWA. PATCHY FROST IS POSSIBLE IN WESTERN ZONES, BUT  
WILL NEED TO KEEP AN EYE ON POTENTIAL FOR SOME MORE WIDESPREAD FROST  
FROM ROUGHLY FINDLAY TO MOUNT VERNON IF SKIES CLEAR MORE THAN  
ANTICIPATED LATE TONIGHT/EARLY FRIDAY MORNING.  
 
FRIDAY'S HIGHS WILL REACH THE UPPER 40S TO LOWER 50S WITH MID 50S  
POSSIBLE ACROSS INTERIOR NW OH, ESPECIALLY IF CLOUDS MANAGE TO CLEAR  
OUT. FROST DEVELOPMENT SEEMS A BIT MORE LIKELY WEST OF THE SNOWBELT  
FRIDAY NIGHT AS SKY COVER DECREASES A BIT MORE AND WINDS BECOME  
LIGHT. LOWS OUTSIDE OF THE LAKE EFFECT CLOUD DECK WILL MOST  
LIKELY FALL INTO THE LOWER 30S WITH TYPICAL COLD SPOTS FROM  
ROUGHLY CANTON TO BOWLING GREEN AND LOCATIONS SOUTHWEST POSSIBLY  
APPROACHING OR FALLING JUST BELOW FREEZING. A FROST ADVISORY  
MAY BE NEEDED, BUT WOULD LIKE TO SEE HOW THE CLOUD COVER  
FORECAST TRENDS. CONFIDENCE IN A WIDESPREAD FREEZE IS SOMEWHAT  
LOW SINCE SUB-FREEZING TEMPS WILL BE ISOLATED TO SCATTERED, SO  
HAVE OPTED TO HOLD OFF ON A FREEZE WATCH FOR THE TIME BEING.  
 
 
   
SHORT TERM /SATURDAY THROUGH SUNDAY NIGHT/  
 
LAKE EFFECT RAIN SHOWERS SHOULD DWINDLE FOR MOST OF THE AREA  
SATURDAY AS HIGH PRESSURE AND UPPER RIDGING BUILD INTO THE REGION,  
HOWEVER ISOLATED LIGHT RAIN SHOWERS MAY PERSIST DUE TO LINGERING  
MOISTURE CLOSE TO THE LAKESHORE FROM MENTOR TO THE NY BORDER  
THROUGH SATURDAY EVENING. OTHERWISE, DRY WEATHER IS ANTICIPATED  
OVER THE WEEKEND. HIGH TEMPERATURES WILL BE IN THE 50S EACH DAY  
WITH LOWS IN THE 30S EXPECTED ACROSS MOST OF THE AREA EACH  
NIGHT. ADDITIONAL FROST/FREEZE HEADLINES ARE POSSIBLE OVER THE  
WEEKEND, ESPECIALLY ON SUNDAY NIGHT AS TEMPS ACROSS FAR  
NORTHEASTERN OHIO AND NORTHWESTERN PENNSYLVANIA POTENTIALLY DIP  
SEVERAL DEGREES BELOW FREEZING. CONFIDENCE IS LOWER FOR SATURDAY  
NIGHT SINCE LAKE EFFECT CLOUDS MAY PERSIST ACROSS THE SNOWBELT  
REGION.  
 
 
   
LONG TERM /MONDAY THROUGH THURSDAY/  
 
HIGH PRESSURE SHOULD LARGELY MAINTAIN INFLUENCE AS IT DRIFTS EAST ON  
MONDAY AND MOST OF THE AREA HAS A DRY FORECAST FOR THE START OF THE  
LONG TERM PERIOD. CONFIDENCE IN THE EVOLUTION AND TRACK OF A LOW  
PRESSURE SYSTEM IS STILL QUITE LOW FROM TUESDAY ONWARDS. HAVE  
MAINTAINED CHANCE POPS (30 TO 50 PERCENT) TUESDAY THROUGH THURSDAY,  
BUT THERE'S POTENTIAL THAT HIGH PRESSURE COULD PREVENT STEER THE  
LOW AWAY FROM THE REGION. WILL CONTINUE TO MAKE REFINEMENTS TO  
THE FORECAST AS CONFIDENCE INCREASES IN FUTURE UPDATES.  
 
 
   
AVIATION /00Z FRIDAY THROUGH TUESDAY/  
 
PREDOMINATELY VFR CONDITIONS ARE BEING OBSERVED ACROSS THE AREA  
THIS EVENING AND ARE EXPECTED TO REMAIN THROUGH THE DURATION OF  
THIS TAF PERIOD. A SURFACE TROUGH LINGERING OVER THE AREA WILL  
ALLOW FOR LAKE EFFECT RAIN SHOWERS TO CONTINUE TO STREAM OFF OF  
THE GREAT LAKES. THIS HAS RESULTED IN SCATTERED LIGHT RAIN  
SHOWERS ACROSS THE ENTIRE AREA, ALTHOUGH TERMINALS FURTHER FROM  
THE LAKESHORE ARE BEING IMPACTED LESS. AS A RESULT MAINTAINED AT  
LEAST A VCSH FOR MFD TO CLE AND TERMINALS EAST, WITH CLE, YNG,  
AND ERI MOST LIKELY TO SEE IMPACTFUL SHOWERS WITH DIMINISHED  
CONDITIONS AS LOW AS MVFR. CEILINGS ACROSS FAR NE OH AND NW PA  
WILL OVER NEAR THE MVFR THRESHOLD, GENERALLY RANGING FROM  
2.5-4KFT THROUGH THE PERIOD. CEILINGS ELSEWHERE WILL BE A BIT  
HIGHER.  
 
NORTHWEST WINDS CONTINUE TO WEAKEN TONIGHT WITH MUCH OF THE AREA  
SEEING SUSTAINED WINDS OF 5-10 KNOTS. THESE WINDS WILL PERSIST  
THROUGH THE PERIOD AND LIKELY BECOME LIGHT AND VARIABLE AFTER  
00Z SATURDAY.  
 
OUTLOOK...PERIODS OF NON-VFR ARE EXPECTED IN SCATTERED RAIN  
SHOWERS THROUGH FRIDAY NIGHT. NON-VFR IS ALSO EXPECTED IN  
LOCALIZED LAKE EFFECT RAIN SHOWERS AND THUNDERSTORMS ACROSS THE  
SNOWBELT THROUGH FRIDAY.  
 
 
   
MARINE  
 
NORTHWEST WINDS WILL GRADUALLY EASE THROUGH FRIDAY/FRIDAY  
NIGHT/SATURDAY WITH WAVE HEIGHTS COMING DOWN FROM SMALL CRAFT  
ADVISORY LEVELS CONTINUING THROUGH TONIGHT TO A FOOT OR LESS BY  
SATURDAY. HIGH PRESSURE OVER QUEBEC FROM SUNDAY ONWARD TURNS WINDS  
EAST NORTHEAST, INCREASING TO 15-20KTS BY MONDAY AND WAVE HEIGHTS IN  
THE CENTRAL AND WESTERN BASINS UP TO 2-5FT THROUGH TUESDAY.  
 
 
   
CLE WATCHES/WARNINGS/ADVISORIES  
 
OH...FROST ADVISORY FROM 1 AM TO 9 AM EDT FRIDAY FOR OHZ006-008-  
017>019-027>032-036>038-047.  
PA...NONE.  
MARINE...SMALL CRAFT ADVISORY UNTIL 10 PM EDT THIS EVENING FOR LEZ144.  
SMALL CRAFT ADVISORY UNTIL 4 PM EDT FRIDAY FOR LEZ145>149.  
 
 
 
 
 
SYNOPSIS...15  
NEAR TERM...04/15  
SHORT TERM...15  
LONG TERM...15  
AVIATION...04  
MARINE...26  
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