NWS / NOAA weather: Extreme Heat Warning issued July 1 at 1:32PM EDT until July 2 at 8:00PM EDT by NWS Baltimore MD/Washington DC

* WHAT...For the Heat Advisory, heat index values up to 107. 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.

* WHERE...Portions of DC, central, north central, northeast,
northern, and southern Maryland, and central, northern, and
northwest Virginia.

* WHEN...For the Heat Advisory, until 8 PM EDT this evening. For the
first Extreme Heat Warning, from 10 AM to 8 PM EDT Thursday. For
the second Extreme Heat Warning, from 10 AM to 8 PM EDT Friday.

* IMPACTS...Heat related illnesses increase significantly during
extreme heat and high humidity events. Hot temperatures and high
humidity may cause heat illnesses.

Source: NWS / NOAA weather.