- Hot and humid today, temps in the low 90s but heat index near 100
- Chance of severe storms this afternoon
- Cold front will bring heavy rain in a short period of time
- Flash flood watch in effect for tonight
Currently on our weather map we see low pressure in the mid-west bringing rain to the Ohio Valley. This will move east through the day
Zooming in on our area, there is a frontal boundary nearby, this will create some instability and trigger storms ahead of the cold front
Temperature today will be in the low 90s, but it will still feel hot and soupy with heat index upper 90s to almost 100
The talk today will focus on severe weather and flood potential. SPC and NWS indicate increased odds of severe weather
WPC has a high risk for excessive rainfall. This is expected to occur as the cold front approaches this evening around 5pm. Heaviest portion between 8pm and midnight.
Some ensembles showing rainfall totals approaching 2 inches in NJ/NYC. This is due to the frontal boundary posted above, as it will trigger thunderstorms in the afternoon before low pressure in the mid-west get here, focusing primarily in NJ area with spillover into Philly.
Severe weather possible for a large portion of the state today. Atmosphere is loaded with moisture; rain, hail and damaging winds are possible. Tornado threat is very low.
Philadelphia Weather Authority 