When the heat index rises above 108F for two days, the National Weather Service may issue a Heat Advisory.
The Heat Index is a measure of how hot it really feels when relative humidity is factored in with the actual air temperature. This is better explained as what the heat "feels like" rather than the actual temperature outside.
The City of Houston Office of Emergency Management (OEM) urges residents and visitors to avoid Houston roadways during periods of prolonged or intense rainfall.
The State of Texas Emergency Assistance Register (STEAR) provides residents an opportunity to register for assistance in the event of a disaster.