2021 Halloween Trick-Or-Treat Forecasts for Thursday – Sunday Night: Rain Likely Some Nights

Halloween is nearly upon is, and the weather us not looking ideal for many this weekend. A slow-moving low pressure system will reach the state Friday, spreading moderate rain over nearly the entire state. Scattered showers will continue Saturday before the system finally exits to the north. In short, the two best days for trick-or-treating…

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Strong Early Season Nor’easter to Bring A Few Inches of Rain to Parts of PA Early This Week

A Colorado Low in the Midwest will transfer its energy to a rapidly intensifying coastal low pressure Monday night. That coastal low will quickly turn into a full-blown Nor’easter by Tuesday, throwing heavy rain and gusty winds back inland. If this were six weeks from now, we would be forecasting a major snowstorm in Eastern…

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PA Fall Foliage Report – October 7th to 13th, 2021: Colors Changing Mostly North of I-80, Change Starting in Valleys

Warmer than normal temperatures delayed the onset of fall foliage season about a week, but some of us are beginning to see changing foliage. Change has been most significant around and north of I-80, especially in the higher elevations near the NY border. Meanwhile in the lower elevations across the Susquehanna and Lehigh Valleys, little…

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Scattered Strong to Severe Thunderstorms Possible Wednesday (Sept 15); Damaging Wind & Hail Risk

Here comes another Wednesday with bad weather possible across much of the commonwealth. Scattered strong to severe thunderstorms are expected to develop mid-day Wednesday over Western and Central Pennsylvania and move east from there. Weak shear in our area will lower the tornado risk, but damaging winds and hail remain possible. This is all relatively…

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Severe Thunderstorms Possible Wednesday Across Eastern Half of Pennsylvania; Flash Flood & Tornado Risk

It has been a tranquil stretch of weather since the remnants of Hurricane Ida swept through last Wednesday. The upcoming week or two looks pleasant as well, but not before a cold front accompanied by strong to severe thunderstorms marches into the area Wednesday. We are well past the peak of severe season, so this…

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FINAL CALL RAINFALL FORECAST: Major Flooding Imminent as Remnants of Ida Likely to Dump 5-8″ of Rain for Many

Scattered heavy rain has already begun in parts of the state as this 24-36 hour deluge is just about to get going. Moderate to major flooding is now projected for many creeks in southern PA, and we will be monitoring the larger rivers for rises into minor flood stage. In addition, many of the usual…

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RAINFALL & RIVER FLOOD FORECAST: Significant Flooding Now Expected Across Parts of PA Wednesday into Thursday

OUR FINAL CALL FORECAST HAS BEEN POSTED: As Ida moves closer to the region, our confidence that widespread flooding will occur continues to increase. The state has not seen this kind of event since Tropical Storm Lee in 2011, and while it’s unlikely Ida will bring similar impacts as Lee, significant impacts are still expected.…

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RAINFALL FORECAST: Hurricane Ida to Bring Flooding Rainfall to Areas of Pennsylvania Wednesday into Thursday

SECOND CALL RAINFALL FORECAST POSTED: Hurricane Ida will be the third tropical system to impact Pennsylvania this hurricane season and it’s still just August. Hurricane Ida made landfall in Southeast Louisiana Sunday afternoon as a strong category four storm with winds of 150 MPH. Ida will slowly make its way our direction, but will not…

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