Two Lows to Bring Varying Rainfall Totals Across Pennsylvania Wednesday – Friday; Severe Thunderstorm Map for Wednesday + Daily Forecast Maps Through Sunday

Two Lows to Bring Varying Rainfall Totals Across Pennsylvania Wednesday – Friday; Severe Thunderstorm Map for Wednesday + Daily Forecast Maps Through Sunday

Summary

The Great Lakes upper level low will move east today through Upstate NY, bringing the northern half of Pennsylvania consistent showers and embedded thunderstorms. An isolated strong to severe thunderstorm is possible in parts of Eastern PA this afternoon – early evening. Then a clear Thursday before another low brings showers and thunderstorms to Western PA Thursday Night and Central & Eastern PA on Friday. Besides a stray shower in Eastern PA, this weekend will be dry and very nice.

Future Radar (Mid Wednesday AM – Early Friday PM)

Rainfall Forecast (Wed AM – Sat AM)

Check our map room for current conditions, current alerts, and precipitation forecast maps!

Wednesday Severe Thunderstorm Threat Forecast

Area A: Scattered thunderstorms Wednesday afternoon – early evening, with an isolated severe thunderstorm possible. Minor risks include gusty winds up to 40-50mph (very isolated) and small hail.

Daily Forecast Graphics

Day 1

Day 1 Tornado

Day 1 Wind

Day 1 Hail

Day 2

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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