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Elev 548 ft, 39.83 °N, 77.9 °W

Mercersburg, PA Severe Weather Alertstar_ratehome

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Current Station
Personal Weather Station
Location: Mercersburg, PA
Elevation: 548ft
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Active Weather Alerts

Cold Weather Advisory
Issued: 7:37 PM Jan. 23, 2026 – National Weather Service
...COLD WEATHER ADVISORY REMAINS IN EFFECT FROM 10 PM THIS EVENING
TO 10 AM EST SATURDAY...

* WHAT...Very cold wind chills as low as 10 below expected.

* WHERE...Adams, Cumberland, Dauphin, Franklin, Lancaster, Lebanon,
Perry, Schuylkill, and York Counties.

* WHEN...From 10 PM this evening to 10 AM EST Saturday.

* IMPACTS...The cold wind chills could result in frostbite and
hypothermia if precautions are not taken.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

If outdoors, dress in layers and cover exposed skin.

&&

Winter Storm Warning
Issued: 3:20 PM Jan. 23, 2026 – National Weather Service
...WINTER STORM WARNING IN EFFECT FROM 10 PM SATURDAY TO 1 PM EST
MONDAY...

* WHAT...Heavy snow expected. Total snow accumulations between 10
and 18 inches.

* WHERE...A portion of south central Pennsylvania.

* WHEN...From 10 PM Saturday to 1 PM EST Monday.

* IMPACTS...Travel could be very difficult to impossible. Widespread
and prolonged travel disruptions are expected.

* ADDITIONAL DETAILS...Snow will overspread the area late Saturday
evening into Saturday night, becoming heavy at times through
Sunday with accumulation rates of one to two inches per hour at
times. Snow may mix with sleet or freezing rain near and south of
the Pennsylvania Turnpike on Sunday afternoon, which may cut down
on total snow accumulations. Frigid temperatures and wind chills
are expected before, during, and after the winter storm. Some
blowing and drifting snow is possible.

PRECAUTIONARY/PREPAREDNESS ACTIONS...

Persons should consider delaying all travel. Motorists should use
extreme caution if travel is absolutely necessary.

&&

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