New watch for severe thunderstorms in the Lehigh Valley

A large area of ​​eastern Pennsylvania, including the Lehigh Valley and other border areas, will experience a severe thunderstorm on Saturday.

According to the National Meteorological Directorate, the weather condition will be accompanied by severe thunderstorms until 11 pm today, Saturday. Severe weather in the area can bring isolated hailstorms, sporadic storms of up to 65 mph, and frequent bouts of lightning.

The entire Lehigh Valley region including Lehigh and Northampton counties is also at high risk for heavy rainfall, which could cause isolated flash floods.

A severe thunderstorm watch has been issued for parts of D.C., Maryland, New Jersey, New York, Pennsylvania, Virginia, and West Virginia until 11 p.m. EDT. pic.twitter.com/JpJ5Ydvzsw

– NWS Mount Holly (@NWS_MountHolly) September 9, 2023

Here are the detailed weather service forecasts for the city of Allentown:

Saturday afternoon: Scattered rain and thunderstorms, especially after four o’clock in the afternoon. Some storms may cause heavy rain. Partly sunny, with a high temperature nearing 81. Quiet winds. The probability of rain is 30%. New rainfall amounts are less than a tenth of an inch, except for possible higher amounts in thunderstorms.

Saturday night: Chance of rain and thunderstorms, especially after one in the morning. The weather is mostly cloudy, with a low temperature of around 69 degrees. Winds will be calm, becoming northwesterly at a speed of about 5 mph after midnight. The probability of rain is 50%. New rainfall amounts range from one-tenth to a quarter of an inch, except for possible higher amounts in thunderstorms.

Sunday: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 11 a.m. High near 80. Winds calm becoming northeast around 5 mph. The probability of rain is 80%. New precipitation amounts range between a tenth and a quarter of an inch, with the exception of higher amounts possible in thunderstorms.

Sunday night: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low temperature around 67. Southeast wind around 5 mph becoming calm in the evening. The probability of rain is 80%. New rainfall amounts between a quarter and a half of an inch are possible.

Monday: A chance of rain and thunderstorms, especially after 2 p.m. Partly sunny, with a high near 80 degrees. Winds calm becoming west at about 5 mph in the afternoon. The probability of rain is 40%. New precipitation amounts range between a tenth and a quarter of an inch, with the exception of higher amounts possible in thunderstorms.

Monday night: A chance of showers and thunderstorms before 8 p.m. Partly cloudy, with a low around 64. Chance of rain is 30%. New precipitation amounts are less than a tenth of an inch, except for higher amounts possible in thunderstorms.

Tuesday: Chance of shower after 2pm. Partly sunny, with a high near 81. A 30% chance of rain.

Tuesday night: A chance of showers and thunderstorms, then a chance of showers after 2 a.m. Mostly cloudy, with a low around 66. Chance of rain is 70%.

Wednesday: Showers likely. Mostly cloudy, with a high near 75. Chance of rain is 60%.

Wednesday night: Chance to shower before 2am. Partly cloudy, with a low around 57. A 30% chance of rain.

Thursday: Sunny, with a high near 72.

Thursday night: Mostly clear, low around 53.

Friday: It’s sunny most of the time, and the high temperature is near 74.