Extreme Heat Watch for District of Columbia; Frederick; Carroll +31 more
What: For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. For the Extreme Heat Watch,...
Official alert brief
WHAT
For the first Extreme Heat Warning, dangerously hot conditions with heat index values up to 111 expected. For the second Extreme Heat Warning, dangerously hot conditions with heat index values up to 112 expected. For the Extreme Heat Watch, dangerously hot conditions with heat index values up to 110 possible.
WHERE
Portions of DC, central, north central, northeast, northern, and southern Maryland, and central, northern, and northwest Virginia.
WHEN
For the first Extreme Heat Warning, until 8 PM EDT this evening. For the second Extreme Heat Warning, from 10 AM to 8 PM EDT Friday. For the Extreme Heat Watch, from Saturday morning through Saturday evening.
IMPACTS
Heat related illnesses increase significantly during extreme heat and high humidity events.
Instructions
Drink plenty of fluids, stay in an air-conditioned room, stay out of the sun, and check up on relatives and neighbors. Do not leave young children and pets in unattended vehicles. Car interiors will reach lethal temperatures in a matter of minutes. 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.