Heavy RainLong Range ForecastWeekend Forecast

After heat indexes in the 90s to near 100° this week, below average temperatures will flow into the area for the weekend. Highs in the 60s and 70s are expected both Saturday and Sunday, with a chance of showers in southern and eastern PA Sunday. Unfortunately for those wanting to spend time outside, Sunday’s shower potential looks to be only the beginning of a streak of wet weather in the Mid-Atlantic. But first, we should see a dry and comfortable start to the weekend. Here is Saturday’s statewide forecast.

An upper level low is currently modeled to develop just to our south Sunday and with persistent high pressure to the north, the low may feed moisture into the area for multiple days. Southern and eastern Pennsylvania have the highest chance of seeing a few inches of rain spread out across multiple days next week. Monday through at least Wednesday look to be the rainiest, but some model guidance keeps a chance of showers in the forecast all the way through next weekend. Below is the GFS Ensemble rainfall total forecast for the coming week.

It’s important to note that Pennsylvania is on the northern edge of this potential long-duration rainfall event, and some guidance keeps the bulk of precipitation to our south. For now, those south of State College and Scranton and east of Johnstown have the highest potential of anyone in the state to see a cloudy, rainy week with at least 1-3″ of rain.

Severe weather will be held to a minimum in the coming week. However, temperatures will gradually begin to increase next week and a ridge looks to build in the week of the 21st, which may lead to a few days with a severe weather potential during that week.

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Don’t forget to share this forecast with family and friends who may have outdoor plans in the coming week!