270
FXUS61 KILN 182103
AFDILN
AREA FORECAST DISCUSSION
NATIONAL WEATHER SERVICE WILMINGTON OH
503 PM EDT SAT APR 18 2026
WHAT HAS CHANGED
FREEZING TEMPERATURES POSSIBLE SUNDAY NIGHT. COOLER TEMPERATURES
TONIGHT THROUGH TUESDAY MORNING, WITH A REBOUND EXPECTED FOR THE
REMAINDER OF NEXT WEEK.
KEY MESSAGES
1) AS HIGH PRESSURE AND LIGHT WINDS SETTLE OVER THE REGION SUNDAY
NIGHT, TEMPERATURES WILL DROP BELOW FREEZING IN THE NORTHERN CWA.
2) BEHIND THE FRONT, A MUCH COOLER AIRMASS WILL MOVE INTO THE REGION
THROUGH TUESDAY MORNING. WARMER TEMPERATURES WILL RETURN MID WEEK.
DISCUSSION
KEY MESSAGE 1)
BEHIND THE FRONT, GOOD CAA WILL DEVELOP TONIGHT WITH A MUCH COOLER
AIRMASS SETTLING INTO THE REGION FOR SUNDAY AND MONDAY. A FREEZE
WATCH HAS BEEN ISSUED FOR THIS TIME IN THE NORTHERN 1/3 OF FORECAST
AREA.
KEY MESSAGE 2)
HIGH TEMPERATURES FOR BOTH SUNDAY AND MONDAY WILL GENERALLY BE IN
THE 50S, SOME UPPER 40S NORTH OF A DELAWARE-BELLEFONTAINE LINE.
SUNDAY NIGHT WILL BE THE COOLEST NIGHT WITH OVERNIGHT LOWS IN THE LOW
TO MID 30S. THIS WILL LEAD TO THE POTENTIAL FOR SOME FROST FOR THE
NORTHERN HALF OF THE CWA AND FREEZING TEMPS IN THE WATCH AREA.
MONDAY NIGHT HAS A CHANCE FOR FROST ACROSS THE CWA, BUT THE THREAT
FOR FREEZING TEMPERATURES WILL LIE IN CENTRAL OHIO EAST OF A
MARYSVILLE-WASHINGTON COURT HOUSE-PORTSMOUTH LINE.
MID LEVEL RIDGING WILL BUILD INTO THE OHIO VALLEY THROUGH MID WEEK,
LEADING TO A WARMING TREND TUESDAY ONWARD.
AVIATION /20Z SATURDAY THROUGH THURSDAY/
DISCUSSION FOR 00Z TAFS...
PATCHY LIGHT RAIN AND DRIZZLE WILL CONTINUE TO MOVE EAST ACROSS THE
AREA THIS EVENING. THIS WILL RESULT IN SOME PRECIPITATION CONTINUING
AT THE TAF SITES, ALONG WITH OCCASIONAL MVFR VISIBILITIES. THIS
SHOULD CLEAR UP AFTER 04Z. MVFR CEILINGS ARE ALSO IN PLACE, AND A
VERY BRIEF IFR CEILING IS POSSIBLE. HOWEVER, CEILINGS ARE ALSO
EXPECTED TO BECOME VFR AFTER AROUND 04Z. DRY AND VFR CONDITIONS ARE
EXPECTED THROUGH THE REST OF THE TAF PERIOD.
THE OTHER ITEM TO DISCUSS IS THE WIND. WESTERLY WIND GUSTS OF 20-30
KNOTS WILL CONTINUE THIS EVENING, BEFORE BECOMING LIGHTER OVERNIGHT.
TOMORROW, WINDS WILL INCREASE AGAIN, WITH GUSTS OF 20-30 KNOTS OUT OF
THE WEST FROM LATE MORNING THROUGH LATE AFTERNOON.
OUTLOOK....MVFR CONDITIONS ARE POSSIBLE ON WEDNESDAY.
ILN WATCHES/WARNINGS/ADVISORIES
OH...FROST ADVISORY FROM 2 AM TO 9 AM EDT SUNDAY FOR OHZ034-035-042-043-
051-060-061-070.
FREEZE WATCH FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING FOR
OHZ026-034-035-042>046-051>054-056-060-065.
KY...NONE.
IN...FROST ADVISORY FROM 2 AM TO 9 AM EDT SUNDAY FOR INZ050-058-059-066-
073-074.
FREEZE WATCH FROM LATE SUNDAY NIGHT THROUGH MONDAY MORNING FOR
INZ050.
DISCUSSION...FRANKS
AVIATION...HATZOS
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