Severe Center
New Jersey & Delaware & and SE Pennsylvania Warnings, Watches, And Advisories Freeze Warning
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Freeze Warning
In effect:
Tuesday, Apr 21 2026 2:38 AM EDT – Tuesday, Apr 21 2026 9:00 AM EDT
Issued by NWS Mount Holly NJ
FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
What:
Sub-freezing temperatures as low as 25.
Sub-freezing temperatures as low as 25.
Where:
In Delaware, Kent and Inland Sussex Counties. In Maryland,
Caroline, Kent MD, Queen Annes, and Talbot Counties.
In Delaware, Kent and Inland Sussex Counties. In Maryland,
Caroline, Kent MD, Queen Annes, and Talbot Counties.
When:
Until 9 AM EDT this morning.
Until 9 AM EDT this morning.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Kent
Inland Sussex
Kent
Queen Anne's
Talbot
Caroline
Freeze Warning
In effect:
Tuesday, Apr 21 2026 2:38 AM EDT – Tuesday, Apr 21 2026 9:00 AM EDT
Issued by NWS Mount Holly NJ
FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
What:
Sub-freezing temperatures as low as 22.
Sub-freezing temperatures as low as 22.
Where:
Portions of central, northern, northwest, and southern New
Jersey and east central and southeast Pennsylvania.
Portions of central, northern, northwest, and southern New
Jersey and east central and southeast Pennsylvania.
When:
Until 9 AM EDT this morning.
Until 9 AM EDT this morning.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Warren
Morris
Hunterdon
Somerset
Middlesex
Western Monmouth
Eastern Monmouth
Mercer
Salem
Gloucester
Camden
Northwestern Burlington
Ocean
Cumberland
Atlantic
Cape May
Southeastern Burlington
Berks
Lehigh
Northampton
Western Chester
Eastern Chester
Western Montgomery
Eastern Montgomery
Upper Bucks
Lower Bucks
Freeze Warning
In effect:
Tuesday, Apr 21 2026 2:38 AM EDT – Tuesday, Apr 21 2026 10:00 AM EDT
Issued by NWS Mount Holly NJ
FREEZE WARNING REMAINS IN EFFECT UNTIL 10 AM EDT THIS MORNING
What:
Sub-freezing temperatures as low as 18.
Sub-freezing temperatures as low as 18.
Where:
In New Jersey, Sussex County. In Pennsylvania, Carbon and
Monroe Counties.
In New Jersey, Sussex County. In Pennsylvania, Carbon and
Monroe Counties.
When:
Until 10 AM EDT this morning.
Until 10 AM EDT this morning.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
Sussex
Carbon
Monroe
Freeze Warning
In effect:
Tuesday, Apr 21 2026 2:38 AM EDT – Tuesday, Apr 21 2026 9:00 AM EDT
Issued by NWS Mount Holly NJ
FREEZE WARNING REMAINS IN EFFECT UNTIL 9 AM EDT THIS MORNING
What:
Sub-freezing temperatures as low as 24.
Sub-freezing temperatures as low as 24.
Where:
In Delaware, New Castle County. In Pennsylvania, Delaware
and Philadelphia Counties.
In Delaware, New Castle County. In Pennsylvania, Delaware
and Philadelphia Counties.
When:
Until 9 AM EDT this morning.
Until 9 AM EDT this morning.
Impacts:
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Frost and freeze conditions could kill crops, other
sensitive vegetation and possibly damage unprotected outdoor
plumbing.
Instructions:
Take steps now to protect tender plants from the cold.
Take steps now to protect tender plants from the cold.
Areas Impacted:
New Castle
Delaware
Philadelphia