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Millions Warned to Avoid Scorching Heatwave Across 18 U.S. States
17 Aug
Summary
- Temperatures up to 110°F in parts of the country
- Vulnerable populations at high risk of heat-related illnesses
- Experts urge staying indoors, drinking fluids, and checking on neighbors

As of August 17, 2025, millions of Americans across 18 states are being advised to avoid the scorching sun over the next few days as a severe heatwave sweeps the country. According to the National Weather Service (NWS), residents in parts of Alabama, Arkansas, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Mississippi, Missouri, Nebraska, New York, Ohio, Oklahoma, Tennessee, Texas, and West Virginia are under heat advisories due to the extreme temperatures.
In some areas, the mercury is expected to climb as high as 110°F, putting the most vulnerable populations, including the elderly, babies, and young children, at serious risk of heat-related illnesses like heat exhaustion and heat stroke. Experts are urging people to stay indoors, drink plenty of fluids, and check on relatives and neighbors to ensure their safety during this dangerous heatwave.
The scorching temperatures are part of a broader trend of rising global temperatures, with the Earth's average temperature increasing by 2°F since 1850. Last summer was the hottest on record for the planet and several U.S. states, underscoring the growing threat of climate change and the need for proactive measures to protect public health.