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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…

By Lead Forecaster Josh Adams October 8, 2021

Autumn Fall Foliage Updates

2021 Fall Foliage Forecast: Later Start, Bright Colors Expected

After a hot summer, temperatures have cooled somewhat slower than normal with the onset of Fall. Above average temperatures are expected for much of October,…

By Lead Forecaster Josh Adams October 2, 2021

Article Heavy Rain

Multi-Day Rain Event to Bring Widespread Moderate Rainfall Amounts: Rainfall Totals & Timing

Wednesday has become the official day of bad weather over the past month, and this Wednesday will be no exception. A closed-off low pressure system…

By Lead Forecaster Josh Adams September 21, 2021

Article Severe Weather

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…

By Lead Forecaster Josh Adams September 14, 2021

Article Severe Weather

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…

By Lead Forecaster Josh Adams September 7, 2021

Article Flash Flooding Heavy Rain Tropics

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…

By Lead Forecaster Josh Adams August 31, 2021

Article Flash Flooding Heavy Rain Tropics

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…

By Lead Forecaster Josh Adams August 30, 2021

Article Flash Flooding Heavy Rain Tropics

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…

By Lead Forecaster Josh Adams August 29, 2021

Tropics

Hurricane Ida Forecast to Make Landfall Sunday As 140 MPH Cat. 4 Hurricane; Watching Potential Impacts on Pennsylvania Next Week

A Category 4 Major Hurricane Ida is expected to make landfall Sunday afternoon in Southern Louisiana, where mandatory evacuations are ongoing. Winds at landfall are…

By Lead Forecaster Josh Adams August 27, 2021

Article Flash Flooding Tropics

T.D. Fred to Bring Heavy Rain & Flash Flood Risk + Spin-Up Tornado Risk In Parts of Pennsylvania Wednesday

Tropical Depression Fred is already producing heavy rain across the southern Appalachians as well as an enhanced tornado risk in the Carolinas, and all those…

By Lead Forecaster Josh Adams August 17, 2021

Heat Wave Severe Weather

Excessive Heat + Severe Thunderstorm Risk to End Workweek

Summer is not easing off the breaks whatsoever this week, with excessive heat combined with a severe thunderstorm risk nearly everyday in much of the…

By Lead Forecaster Josh Adams August 11, 2021

Severe Weather

Severe Thunderstorm Risk Thursday With Damaging Wind & Isolated Tornado Threat in Southern PA

An area of heavy rain potentially with embedded thunderstorms will move through western and central PA Thursday morning and early afternoon. This may work to…

By Lead Forecaster Josh Adams July 28, 2021

Severe Weather

Strong to Severe Thunderstorms With Damaging Wind & Hail Threat Possible in Eastern Half of PA Wednesday + Wildfire Smoke Exiting

Thunderstorms are expected to pop-up early this afternoon over the northern PA mountains and push southeast in the mid to late afternoon. At the same…

By Lead Forecaster Josh Adams July 21, 2021

Flash Flooding Heavy Rain

Flash Flooding a Concern for Saturday as Another 1-3″, Locally 5″ of Rain Likely + Second Half of July Forecast

July has gotten off to an incredible start in parts of Pennsylvania rainfall-wise, with northeast Philadelphia suburbs already over a foot of rain in two…

By Lead Forecaster Josh Adams July 16, 2021

Article Severe Weather

Scattered Strong Thunderstorms Expected Monday Thru Wednesday Around Pennsylvania + App Update Info

Believe it or not, we have rounded the bend in severe weather season and at the end of the peak. Sunday was a very active…

By Lead Forecaster Josh Adams July 12, 2021

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

2021 Fall Foliage Forecast: Later Start, Bright Colors Expected

Multi-Day Rain Event to Bring Widespread Moderate Rainfall Amounts: Rainfall Totals & Timing

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

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

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

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

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

Hurricane Ida Forecast to Make Landfall Sunday As 140 MPH Cat. 4 Hurricane; Watching Potential Impacts on Pennsylvania Next Week

T.D. Fred to Bring Heavy Rain & Flash Flood Risk + Spin-Up Tornado Risk In Parts of Pennsylvania Wednesday

Excessive Heat + Severe Thunderstorm Risk to End Workweek

Severe Thunderstorm Risk Thursday With Damaging Wind & Isolated Tornado Threat in Southern PA

Strong to Severe Thunderstorms With Damaging Wind & Hail Threat Possible in Eastern Half of PA Wednesday + Wildfire Smoke Exiting

Flash Flooding a Concern for Saturday as Another 1-3″, Locally 5″ of Rain Likely + Second Half of July Forecast

Scattered Strong Thunderstorms Expected Monday Thru Wednesday Around Pennsylvania + App Update Info

Summery week ahead!

Warmer Temperatures and Dry Conditions

Vibrant Aurora Forecast Sunday Night in Pennsylvania

Another Round of Showers and Thunderstorms Before Warming Trend Sets In