Weather Alerts Map

Allentown weather alerts

There are no active weather alerts for Allentown, PA right now.

The National Weather Service issues alerts for Allentown as part of Lehigh County.

Updated from the National Weather Service · lists refresh hourly; the live map loads current alerts directly from the NWS

Map data: NWS, OpenFreeMap, OpenStreetMap

Tornado history within 25 miles of Allentown

59 tornadoes have been recorded within 25 miles of Allentown since 1950, injuring 37 people. The most recent was on July 1, 2025 (rated EF0).

EF0: 17EF017EF1: 28EF128EF2: 12EF212EF3: 2EF32EF4: 0EF4EF5: 0EF5
Tornadoes by (E)F rating

Strongest tornadoes within 25 miles of Allentown

DateRatingCountyPath lengthWidthDeathsInjuries
May 31, 1998F3Berks County8.3 mi120 yd07
July 26, 1981F3Northampton County3.3 mi50 yd02
August 4, 2020EF2Bucks County20.8 mi500 yd018
July 5, 1950F2Lehigh County12.9 mi10 yd02
June 24, 1960F2Berks County9.4 mi200 yd00

Most recent tornadoes

DateRatingCountyPath lengthWidthDeathsInjuries
July 1, 2025EF0Berks County0.9 mi150 yd00
May 6, 2025EF1Northampton County1.5 mi100 yd00
August 7, 2023EF0Hunterdon County0.5 mi150 yd00
August 7, 2023EF1Lehigh County0.3 mi160 yd00
June 26, 2023EF0Northampton County3.4 mi60 yd00

Pennsylvania tornado history and map →

How often alerts are issued for Lehigh County

Alert type2016–2025Last issued
Severe Thunderstorm Warning258October 16, 2026
Flood Advisory211March 23, 2024
Severe Thunderstorm Watch106October 16, 2026
Flood Watch91August 27, 2026
Winter Weather Advisory82March 3, 2026
Flood Warning75July 29, 2026
Wind Advisory69September 25, 2026
Flash Flood Warning67August 7, 2026
Dense Fog Advisory54November 6, 2026
Frost Advisory39October 19, 2026

Full Lehigh County alert history →

About Allentown

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