Weather Alerts For Middletown South, MD

# HEADLINE -------------------- FROST ADVISORY IN EFFECT FROM 1 AM TO 9 AM EDT SATURDAY # DETAILS -------------------- WHAT Temperatures as low as 33 will result in frost formation. WHERE Carroll, Frederick, Cecil, Northern Baltimore, and Harford Counties in Maryland. WHEN From 1 AM to 9 AM EDT Saturday. IMPACTS Frost could harm sensitive outdoor vegetation. Sensitive outdoor plants may be killed if left uncovered. ISSUED AT Friday, October 23, 2026 at 2:13 PM EDT ISSUED BY National Weather Service Baltimore MD/Washington DC HEADER URGENT - WEATHER MESSAGE # PRECAUTIONARY/PREPAREDNESS ACTIONS -------------------- Take steps now to protect tender plants from the cold. # AREAS AFFECTED -------------------- Southeast Harford, Carroll, Cecil, Frederick, Northern Baltimore, Northwest Harford Including the cities of Barksdale, Bay View, Hickory, Reisterstown, Churchville, Appleton, Edgewood, Ballenger Creek, Gamber, Carsins, Eldersburg, Cockeysville, Blake, Bynum, Westminster, Fallston, Abingdon, Park Mills, Owings Mills, Andora, Long Green, Magnolia, Aberdeen, Bohemias Mills, Frederick, Randallstown, Harford Furnace, Timonium, Bel Air, Buckeystown, Glyndon, and Brantwood