616
FXUS61 KILN 221643
AFDILN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
1243 PM EDT FRI AUG 22 2025
SYNOPSIS
A WARMING TREND OCCURS THROUGH SATURDAY WITH DRY CONDITIONS IN
PLACE. ON SUNDAY, A COOLER AIRMASS ARRIVES TO THE OHIO VALLEY AND
TEMPERATURES WILL BE BELOW AVERAGE THROUGH MUCH OF THE WORK WEEK.
NEAR TERM /THROUGH TONIGHT/
A SURFACE HIGH REMAINS OVER THE REGION THE REST OF TODAY AND
TONIGHT. SOME CLEARING MAY OCCUR EARLY THIS EVENING BEFORE LOW LEVEL
MOISTURE INCREASES AGAIN OVERNIGHT. FORECAST LOWS TONIGHT ARE IN THE
LOWER TO MIDDLE 60S AREAWIDE. WEAK NORTHERLY WINDS PERSIST THIS
AFTERNOON AND EVENING BEFORE GOING LIGHT AND VARIABLE UNDER THE HIGH
TONIGHT. SOME PATCHY FOG IS POSSIBLE LATE OVERNIGHT IF SKIES CLEAR
ENOUGH ESPECIALLY IN RIVER VALLEYS.
SHORT TERM /SATURDAY THROUGH SATURDAY NIGHT/
SURFACE HIGH PRESSURE SHIFTS EAST OF THE OHIO VALLEY ON SATURDAY.
INCREASING WESTERLY FLOW WEST OF THE HIGH BRINGS IN WARMER
TEMPERATURES WITH HIGHS RANGING FROM THE LOWER 80S NORTH OF I-70 TO
NEAR 90 SOUTH OF THE OHIO RIVER. BY LATER IN THE AFTERNOON AND INTO
THE EARLY EVENING, A COLD FRONT AND UPPER LEVEL TROUGHING WILL
APPROACH FROM THE NORTHWEST LEADING TO AN INCREASE IN MID LEVEL
CLOUDS.
THE COLD FRONT IS FORECAST TO PROGRESS THROUGH THE AREA FAIRLY
QUICKLY DURING THE SECOND HALF OF SATURDAY NIGHT. MOISTURE AND
FORCING IS LIMITED SO SHOWER CHANCES REMAIN LOW ALTHOUGH A FEW
LOCATIONS COULD SEE SOME BRIEF LIGHT RAIN WITH FROPA. IF FROPA
OCCURS EARLY ENOUGH, A FEW LOCATIONS IN WESTERN OHIO MAY DROP INTO
THE UPPER 50S BEFORE SUNRISE SUNDAY MORNING. EVERYONE ELSE SHOULD
REMAIN IN THE 60S AHEAD OF THE FRONT.
LONG TERM /SUNDAY THROUGH THURSDAY/
ON SUNDAY MORNING, A LARGE UPPER LOW WILL BE CENTERED NEAR JAMES
BAY, WITH TROUGHING ACROSS MUCH OF THE NORTH-CENTRAL AND
NORTHEASTERN SECTIONS OF THE CONUS. AT THE SURFACE, A COLD FRONT
WILL HAVE JUST PASSED THROUGH THE OHIO VALLEY, AND HIGH PRESSURE
WILL BE STARTING TO BUILD IN FROM THE WEST AND NORTHWEST. THIS
SURFACE HIGH WILL VERY SLOWLY MOVE EASTWARD THROUGH THE EXTENDED
FORECAST PERIOD, CENTERING ITSELF OVER THE ILN CWA BY THE MIDDLE OF
THE WEEK. THE HIGH WILL BRING A PERIOD OF BELOW-NORMAL TEMPERATURES,
ALONG WITH A FAIRLY DRY AIR MASS, WITH PRECIPITABLE WATER VALUES
FORECAST TO BE AS LOW AS ABOUT A HALF INCH ON WEDNESDAY MORNING.
ANY CHANCES OF PRECIPITATION ASSOCIATED WITH THE UPPER LOW WILL
LIKELY REMAIN WELL TO THE NORTH, LEAVING A DRY FORECAST THROUGH THE
ENTIRE EXTENDED PERIOD. WINDS ON MONDAY AND TUESDAY WILL BE OUT OF
THE WNW AT 10-15 MPH, WITH LIGHTER WINDS AT OTHER POINTS OF THE
FORECAST, ESPECIALLY AS THE SURFACE HIGH MOVES INTO THE AREA.
AVIATION /18Z FRIDAY THROUGH WEDNESDAY/
ANY LINGERING MVFR CEILINGS SHOULD CONTINUE TO MIX OUT AND LIFT THIS
AFTERNOON WITH WIDESPREAD VFR CONDITIONS EXPECTED. VFR CONDITIONS
SHOULD CONTINUE INTO MOST OF THE OVERNIGHT. HOWEVER, THERE IS A
CHANCE THAT VISIBILITY RESTRICTIONS COULD FORM AROUND 1100Z IF SKIES
CLEAR AND BR/FG CAN DEVELOP. ANY VISBILITY RESTRICTIONS QUICKLY
IMPROVE AFTER 1200Z.
LIGHT NORTHEASTERLY WINDS CONTINUE THROUGH 0000Z. WINDS BECOME LIGHT
AND VARIABLE TONIGHT AND INTO MUCH OF SATURDAY MORNING.
OUTLOOK...NO SIGNIFICANT WEATHER IS EXPECTED.
ILN WATCHES/WARNINGS/ADVISORIES
OH...NONE.
KY...NONE.
IN...NONE.
SYNOPSIS...CAMPBELL
NEAR TERM...CAMPBELL
SHORT TERM...CAMPBELL
LONG TERM...HATZOS
AVIATION...CAMPBELL
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