594  
FXUS61 KCLE 170604  
AFDCLE  
 
AREA FORECAST DISCUSSION  
NATIONAL WEATHER SERVICE CLEVELAND OH  
204 AM EDT WED SEP 17 2025  
   
SYNOPSIS  
 
A RIDGE OF HIGH PRESSURE WILL PERSIST ACROSS THE NORTHEAST AND  
EASTERN GREAT LAKES REGIONS THROUGH THURSDAY. A WEAK COLD FRONT WILL  
MOVE SOUTH ACROSS THE LOCAL FORECAST AREA ON FRIDAY BEFORE ANOTHER  
AREA OF HIGH PRESSURE BUILDS OVERHEAD FROM THE NORTH ON SATURDAY.  
LOW PRESSURE MOVING ACROSS THE MIDWEST WILL LIFT A WARM FRONT ACROSS  
THE EASTERN GREAT LAKES SUNDAY INTO EARLY NEXT WEEK.  
 
 
   
NEAR TERM /THROUGH TODAY/  
 
RIDGE OF HIGH PRESSURE CONTINUES TO LEAD TO QUIET AND DRY WEATHER  
ACROSS THE REGION THROUGH THE NEAR TERM. CLOSED UPPER LEVEL LOW  
STATIONED ALONG THE MID-ATLANTIC COAST WILL STAY WELL EAST OF THE  
REGION. THE LOCAL AREA WILL NOT SEE ANY PRECIPITATION FROM THIS  
COASTAL LOW, BUT SOME MID-HIGH LEVEL CLOUDS WILL CONTINUE TO DRIFT  
INTO THE SOUTHEASTERN PORTION OF THE CWA THROUGH TONIGHT. CONDITIONS  
WILL BE FAVORABLE FOR FOG DEVELOPMENT ONCE AGAIN TONIGHT ACROSS  
THE WESTERN HALF OF THE FORECAST AREA WHERE CLEAR SKIES AND  
LIGHT AND VARIABLE WINDS WILL OCCUR. OUTSIDE OF NORTHWEST AND  
NORTH CENTRAL OHIO, FOG WILL REMAIN ISOLATED TO LOW- LYING AREAS  
AND RIVER VALLEYS. OVERNIGHT LOWS WILL DROP INTO THE MID 50S  
TONIGHT.  
 
RINSE AND REPEAT EXPECTED ON WEDNESDAY WITH HIGH TEMPERATURES IN THE  
LOW/MID 80S, THE DEVELOPMENT OF AN AFTERNOON LAKE BREEZE, AND  
MINIMUM RH VALUES OF 30-40% INLAND FROM LAKE ERIE. OVERNIGHT LOWS  
WILL SETTLE IN THE MID 50S WEDNESDAY NIGHT WITH PATCHY DENSE FOG  
POSSIBLE ACROSS THE LOCAL FORECAST AREA.  
 
 
   
SHORT TERM /TONIGHT THROUGH FRIDAY NIGHT/  
 
HIGH PRESSURE WILL SLOWLY ERODE ON THURSDAY AS A COLD FRONT MOVES  
SOUTH ACROSS THE NORTHERN GREAT LAKES. THE FRONT WILL SINK SOUTH  
ACROSS LAKE ERIE AND NORTHERN OHIO ON FRIDAY. MAINTAINING A DRY  
FORECAST AS FORCING AND MOISTURE REMAIN TOO WEAK FOR ANY  
PRECIPITATION. LOCATIONS DOWNWIND OF LAKE ERIE WILL LIKELY ONLY SEE  
SOME INCREASED CLOUD COVER WITH THE COLD FRONT.  
 
HIGH TEMPERATURES ON THURSDAY WILL RISE INTO THE MID TO UPPER 80S  
WITH SLIGHTLY COOLER TEMPERATURES BEHIND THE COLD FRONT ON FRIDAY IN  
THE LOW TO MID 80S. OVERNIGHT LOWS WILL SETTLE IN THE MID TO UPPER  
50S THURSDAY NIGHT AND LOW TO MID 50S FRIDAY NIGHT.  
 
 
   
LONG TERM /SATURDAY THROUGH TUESDAY/  
 
HIGH PRESSURE WILL BUILD IN BEHIND THE AFOREMENTIONED COLD FRONT FOR  
SATURDAY LEADING TO ANOTHER WINDOW OF QUIET AND DRY WEATHER. AN AREA  
OF LOW PRESSURE TRACKING ACROSS THE NORTHERN PLAINS WILL LIFT A WARM  
FRONT EAST ACROSS THE LOCAL AREA ON SUNDAY. RAIN CHANCES WILL RETURN  
TO THE REGION TO END THE WEEKEND AND BEGIN NEXT WEEK. TIMING FOR  
RAIN SHOWERS CONTINUES TO BE PUSHED BACK SLIGHTLY AS SHOWERS WILL  
NEED TO OVERCOME A FAIRLY DRY AIRMASS. BEST CHANCE FOR ANY RAIN  
SHOWERS WILL BE SUNDAY NIGHT ONWARD. HOWEVER, QPF AT THIS TIME  
REMAINS TOO LOW TO MAKE A MEANINGFUL DENT IN AREAWIDE DROUGHT  
CONDITIONS.  
 
HIGHS THROUGH THE LONG TERM WILL CONTINUE TO RISE INTO THE LOW 80S  
EACH AFTERNOON WITH OVERNIGHT LOWS RANGING BETWEEN THE UPPER 50S TO  
LOWER 60S EACH NIGHT.  
 
 
   
AVIATION /06Z WEDNESDAY THROUGH SUNDAY/  
 
HIGH PRESSURE WILL CONTINUE TO INFLUENCE THE REGION THROUGH THE  
TAF PERIOD WITH DRY CONDITIONS. AREAS OF DENSE FOG WILL BE THE  
PRIMARY CONCERN LATER TONIGHT THROUGH SUNRISE IN NW OHIO.  
MOISTURE FROM NORTHEAST FLOW OFF LAKE ERIE TODAY WILL MAKE FOG A  
GREATER CONCERN IN THIS AREA OVERNIGHT. FOG CAN BE SEEN  
EXPANDING ON SATELLITE IMAGERY FROM SANDUSKY TO FREMONT TO  
BOWLING GREEN AND CONFIDENCE IS PRETTY HIGH THAT IT WILL REACH  
FDY BETWEEN 09-12Z. FOG IS ALSO POSSIBLE AT TOL BUT CONFIDENCE  
IS A LITTLE LOWER. VISIBILITIES ARE EXPECTED TO IMPROVE QUICKLY  
THROUGH 13Z BUT COULD TAKE UNTIL 14-15Z FOR SKIES TO SCATTER  
OUT. BEYOND THAT, VFR EXPECTED THROUGH THE REMAINDER OF THE TAF  
PERIOD.  
 
WINDS WILL BE LIGHT AND VARIABLE THROUGH SUNRISE, DEVELOPING OUT  
OF THE NORTH/NORTHEAST THIS AFTERNOON.  
 
OUTLOOK...NON-VFR CONDITIONS POSSIBLE EACH MORNING THROUGH  
FRIDAY BETWEEN 09-13Z WITH PATCHY FOG. VFR CONDITIONS EXPECTED  
THE REST OF THE PERIOD.  
 
 
   
MARINE  
 
HIGH PRESSURE EXTENDING FROM NEW ENGLAND TO THE CENTRAL GREAT  
LAKES WILL CONTINUE TO INFLUENCE THE REGION WITH GENERALLY LIGHT  
WIND AND WAVE CONDITIONS THROUGH THURSDAY. A WEAK COLD FRONT  
WILL SETTLE SOUTH ACROSS LAKE ERIE ON FRIDAY WITH A WIND SHIFT  
TO THE NORTHEAST AND SPEEDS OF 10-15 KNOTS. NORTHEAST TO EAST  
WINDS ARE EXPECTED TO STRENGTHEN TO 10-20 KNOTS ON SATURDAY AS  
STRONG CANADIAN HIGH PRESSURE BUILDS SOUTHEAST INTO QUEBEC.  
DEPENDING ON IF THE FLOW IS MORE NORTHEASTERLY OR EASTERLY WILL  
IMPACT IF HIGHER WAVES REACH THE NEARSHORE WATERS OR IF THEY ARE  
FOCUSED MORE IN THE OPEN WATERS. WILL NEED TO MONITOR  
CONDITIONS FOR SATURDAY WITH A CHANCE OF NEEDING A SMALL CRAFT  
ADVISORY AND BEACH HAZARDS FOR A PORTION OF THE LAKE. CONDITIONS  
SHOULD IMPROVE BY SUNDAY WITH WINDS SHIFTING AROUND TO THE  
SOUTH WITH OFFSHORE FLOW.  
 
 
   
CLE WATCHES/WARNINGS/ADVISORIES  
 
OH...NONE.  
PA...NONE.  
MARINE...NONE.  
 
 
 
 
 
SYNOPSIS...13  
NEAR TERM...13  
SHORT TERM...13  
LONG TERM...13  
AVIATION...10  
MARINE...10  
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