Weather Alert Watch
Severe Extreme Heat Warning

Extreme Heat Warning for Southern Centre; Huntingdon; Mifflin +17 more

What: For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. For the Heat Advisory, heat index values up to 104 expected. Impacts: Heat related illnesses increase significantly during extreme heat and high...

PASouthern Centre; Huntingdon; Mifflin; Juniata; Franklin; Southern Clinton; Southern Lycoming; Union; Snyder; Montour; Northumberland; Columbia; Perry; Dauphin; Schuylkill; Lebanon; Cumberland; Adams; York; Lancaster

Official alert brief

WHAT

For the Extreme Heat Warning, dangerously hot conditions with heat index values up to 110 expected. For the Heat Advisory, heat index values up to 104 expected.

WHERE

A portion of central Pennsylvania.

WHEN

For the Extreme Heat Warning, until 8 PM EDT Friday. For the Heat Advisory, from 8 PM Friday to 8 PM EDT Saturday.

IMPACTS

Heat related illnesses increase significantly during extreme heat and high humidity events.

ADDITIONAL DETAILS

High temperatures will exceed 100 degrees in many places today, Thursday and Friday with even higher heat index values expected. Temperatures will be a few degrees lower on Saturday, but heat risks will continue.

Instructions

Know the signs and symptoms of heat exhaustion and heat stroke. Review heat safety and preparedness information at weather.gov/safety/heat. To reduce risk during outdoor work, the Occupational Safety and Health Administration recommends scheduling frequent rest breaks in shaded or air conditioned environments. Power outages are possible during periods of extended heat as the extra demand for electricity can tax the power grid. Be prepared for a possible power outage.