ALT Temperatures each day in the upper 80s to lower 90s will combine with high humidity to result in maximum heat indices of 100 to 105 degrees each afternoon. Wetbulb globe temperatures will be in the mid to upper 80s. The hottest days will be Thursday through Saturday with temperatures moderating slightly by early next week.

ALT Graphic describing the difference between heat exhaustion and heat stroke and what actions to take for each. Heat exhaustion symptoms: Dizziness, thirst, heavy sweating, nausea, weakness. For a person exhibiting symptoms of heat exhaustion, act fast: move to a cooler location, loosen clothing, sip cool water and seek medical help if symptoms don't improve. Heat stroke symptoms: Confusion, dizziness, becomes unconscious. For symptoms of heat stroke, act fast as it can cause death or permanent disability if emergency treatment is not given. Call 911 and move person to cooler area, loosen clothing and remove extra layers, cool down with water or ice.

ALT Temperatures each day in the upper 80s to lower 90s will combine with high humidity to result in maximum heat indices of 100 to 105 degrees each afternoon. The hottest days will be Thursday through Saturday with temperatures moderating slightly by early next week.

ALT High Risk of Rip Currents for Gulf-facing Beaches through 10 AM Friday. Numerous, strong, life-threatening rip currents will be possible. Rip Currents can sweep even the best swimmers away from shore! If you get caught, you may be able to escape by swimming in a direction following the shoreline, then at an angle toward the beach. Don’t swim against the current. If you feel you will be unable to reach shore, draw attention to yourself.

ALT Scattered to widespread showers and scattered thunderstorms are likely during the late morning through the evening hours Sunday and Monday. Locally heavy rainfall is possible. Generally 1 to 2 inches is expected across most locations through Monday night. Isolated higher amounts possible. Additional rounds of showers and storms continue through the week. Locally heavier thunderstorms will be capable of heavy rain & gusty winds. Minor flooding is the most likely impact if repeated strong storms move over the same area. Remain weather-aware and stay tuned for forecast updates!

ALT An educational infographic titled "Heat can escalate quickly." The introductory text states, "Warm temperatures can quickly become dangerous. Heat is one of the most deadly weather hazards — don't underestimate it." Four safety tips are listed alongside icons: NEVER leave people or pets alone in a closed car. Drink plenty of water, even if you don't feel thirsty. Wear loose-fitting, light-colored clothing. Spend time in air conditioning and in the shade. The right side features a photograph of cars parked along a street under intense, glaring sunlight with a heavy lens flare effect, emphasizing high temperatures. The NOAA logo and "weather.gov" are in the bottom left corner.

ALT Instructions for FIFA World Cup visitors in Houston on how to properly call 9-1-1 during emergencies without using WhatsApp.

ALT Instructions for international visitors in Houston on how to call 9-1-1 during FIFA World Cup emergencies without using WhatsApp.