Strong to Severe Thunderstorms Possible Saturday

Strong to Severe Thunderstorms have the potential of disrupting your plans for your Saturday. A line of storms will pushing from Northwest to Southeast throughout the first half of your day Saturday, possibly producing bowing segments that have the capabilities of producing damaging winds.

These storms will be hit or miss meaning NOT EVERY TOWN will see a storm.

The earlier this system arrives Tomorrow, the less chance of this line producing Severe Weather. However, if it comes in a little slower, areas that receive this line in the afternoon/early evening hours have the better chance of experiencing Severe Weather and is why the Storm Prediction Center has placed these areas under a MARGINAL RISK.

Below is the latest Storm Prediction Center forecast for Saturday.

Area A – This area is placed under a MARGINAL RISK for Severe Weather. Timing: 11 AM – 2 PM for Wesern areas in this Zone (closer to Harrisburg) and 2 PM – 5 PM for Central and Eastern areas of this zone (Reading, Allentown, Philadelphia, etc.)

Area B – Thunderstorms are possible Saturday Mid-Morning. Most activity will remain below Severe Criteria. Timing: 7 AM – 11 AM, West to East.

Area C – Showers are still possible early Saturday Morning, but due to the fact these showers will happen before Sunrise, little to no instability will be available in these locations to produce Severe Storms. Timing: 12 AM (Saturday) – 7 AM West to East.

Main Impacts: Damaging Winds in excess of 60 MPH.

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Josh Adams is the founder and lead forecaster of Pennsylvania Weather Action, a regional forecasting site he launched in 2015. With over a decade of experience analyzing weather patterns across Pennsylvania, his forecasts have reached millions of readers throughout the state. Josh specializes in Pennsylvania’s complex microclimates and terrain-driven weather patterns, providing detailed coverage of severe thunderstorms, winter storms, and flooding events. His forecasting focuses on delivering precise, timely information to help Pennsylvanians stay informed and prepared during impactful weather. Last Updated: March 10, 2026