Delaware County, PA
Alerts
Alerts are listed in order of start time and level of severity. Click on the alert title to read details for each alert.
In effect from Thursday 06/11 11:00 AM EDT – Friday 06/12 8:00 PM EDT
Issued by NWS Mount Holly NJ
What
Heat index values up to 104 degrees expected.
Where
In Delaware, New Castle County. In New Jersey, Mercer, Camden, Gloucester, and Northwestern Burlington Counties. In Pennsylvania, Delaware, Eastern Chester, Eastern Montgomery, Lower Bucks, and Philadelphia Counties.
When
From 11 AM this morning to 8 PM EDT Friday.
Impacts
Hot temperatures and high humidity may cause heat illnesses.
Additional Details
Some showers and thunderstorms late this afternoon and again late Friday afternoon will provide some local relief from the heat, however it will still remain very humid. It will then turn much less humid this weekend in the wake of a cold front.
What to Do
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors.
Take extra precautions when outside. Wear lightweight and loose fitting clothing. Try to limit strenuous activities to early morning or evening. Take action when you see symptoms of heat exhaustion and heat stroke.
If you do not have air conditioning in your home or lack shelter, you can call 211, or visit your county or state health department website for assistance locating appropriate shelter from the heat.
Areas Impacted
- New Castle
- Mercer
- Gloucester
- Camden
- Northwestern Burlington
- Delaware
- Philadelphia
- Eastern Chester
- Eastern Montgomery
- Lower Bucks
Tips to Stay Safe
A Heat Advisory means dangerous heat conditions are happening now or soon. Take action before, during and after the heat to stay safe.
- Stay in air-conditioned spaces if possible. Find cooling centers or places with AC in your community that you can go to, like libraries or shopping malls.
- Stay hydrated and stock up on clean drinking water to get you through multiple days of heat.
- Reschedule outdoor activities for cooler times of the day, and take breaks in the shade or air conditioning.
- Cover windows with curtains or shades, or use window reflectors designed to reflect heat back outside.
- Check on friends, family, and neighbors, especially those who do not have air conditioning or spend much of their time alone.
Make sure you know the signs of heat-related illness and how to respond.
Briefings
From the Forecaster
Today's Severe Storm Potential
Created by the NWS Mount Holly WFO
There is a threat of scattered severe thunderstorms late this afternoon and evening. Damaging wind gusts and brief heavy downpours are the main threats, with the potential of hail up to 1 inch in diameter as well.
Seven-day Weather Risk Overview
The graphic shows the daily risk summary for 7 days. Daily risk is based on highest risk factor for that day.
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