Severe · Severe Thunderstorm WatchThis alert has expired. It is kept for reference.

Severe Thunderstorm Watch issued September 1 at 10:30PM EDT until September 2

Affecting Columbia, PA; Cumberland, PA; Dauphin, PA; Juniata, PA; Lancaster, PA; Lebanon, PA; Lycoming, PA; Montour, PA; Northumberland, PA; Perry, PA; Schuylkill, PA; Snyder, PA; Sullivan, PA; Union, PA; York, PA

In effect until: Sep 2, 2026, 4:00 AM

Columbia, PA; Cumberland, PA; Dauphin, PA; Juniata, PA; Lancaster, PA; Lebanon, PA; Lycoming, PA; Montour, PA; Northumberland, PA; Perry, PA; Schuylkill, PA; Snyder, PA; Sullivan, PA; Union, PA; York, PA

Possible impact zone across 15 counties in PA; conditions develop through 4:00 AM.

Go indoors and stay away from windows until the storm passes.

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Read the original bulletin (official text)

SEVERE THUNDERSTORM WATCH 638 REMAINS VALID UNTIL MIDNIGHT EDT
TONIGHT FOR THE FOLLOWING AREAS

IN PENNSYLVANIA THIS WATCH INCLUDES 15 COUNTIES

IN CENTRAL PENNSYLVANIA

COLUMBIA              CUMBERLAND            DAUPHIN
JUNIATA               LANCASTER             LEBANON
LYCOMING              MONTOUR               NORTHUMBERLAND
PERRY                 SCHUYLKILL            SNYDER
SULLIVAN              UNION                 YORK

THIS INCLUDES THE CITIES OF BERWICK, BLOOMSBURG, CARLISLE,
DANVILLE, HARRISBURG, HERSHEY, LANCASTER, LAPORTE, LEBANON,
LEWISBURG, MIFFLINTOWN, NEWPORT, POTTSVILLE, SELINSGROVE,
SHAMOKIN, SUNBURY, WILLIAMSPORT, AND YORK.

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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™

Severe Thunderstorm Watch issued September 1 at 10:30PM EDT until September 2

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