St. Louis Area Under Extreme Heat Warning as Temperatures Soar
An Extreme Heat Warning is in effect for the St. Louis area through Sunday, with temperatures expected to reach the mid to upper 90s and a heat index potentially climbing to 110 degrees, particularly south of the I-70 corridor.
St. Louis, MO, August 15, 2026 —
An Extreme Heat Warning has been issued for the St. Louis metropolitan area, effective through Sunday. Residents are advised to prepare for dangerously high temperatures and humidity levels.
Meteorologists forecast daytime temperatures to reach the mid to upper 90s Fahrenheit. Coupled with high humidity, the heat index, which measures how hot it feels to the human body, could climb as high as 110 degrees. The most intense heat is expected in areas south of the Interstate 70 (I-70) corridor.
Officials urge the public to take precautions to prevent heat-related illnesses. These recommendations typically include staying hydrated, limiting outdoor activities during the hottest parts of the day, and seeking air-conditioned spaces. Vulnerable populations, such as the elderly, young children, and individuals with pre-existing health conditions, are particularly at risk.
The duration of the warning is through Sunday, indicating a prolonged period of hazardous weather conditions. Further updates on the forecast and any additional advisories will be provided as conditions evolve.
Story summarized from the original created by Jaime Travers on fox2now.com, see more information here.
