Baltimore County, MD
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 – Thursday 06/11 8:00 PM EDT
Issued by NWS Baltimore MD/Washington DC
What
Heat index values up to 105 expected.
Where
Areas near and east of the Interstate 95 corridor from northeast to southern Maryland and the northern neck of Virginia, including Baltimore MD and Washington DC.
When
From 11 AM this morning to 8 PM EDT this evening.
Impacts
Hot temperatures and high humidity may cause heat illnesses.
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.
To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Anyone overcome by heat should be moved to a cool and shaded location. Heat stroke is an emergency! In cases of heat stroke, call 9 1 1.
Areas Impacted
- District of Columbia
- Cecil
- Southern Baltimore
- Prince Georges
- Anne Arundel
- Charles
- St. Marys
- Calvert
- Southeast Harford
- Arlington/Falls Church/Alexandria
- King George
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.
Briefing
From the Forecaster
3-day Outlook
Created by the NWS Baltimore MD/Washington WFO
Strong to severe thunderstorms remain possible today and Friday amid a hot, humid, and unstable atmosphere. Heavy rain, gusty winds, and isolated hail are possible during the afternoon & evening hours. Additionally, heat indices of 100º to 105º F are possible. Less humid with no rain expected Saturday.
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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