St. Louis Faces Intense Heat Wave With Highs Near 100 Degrees
St. Louis is under a heat wave with daily highs near 100° and heat indices around 105° through at least Friday. The intense heat is expected to gradually decrease over the weekend but will remain hot.
St. Louis, MO, September 1, 2026 —
St. Louis is currently experiencing a significant heat wave, with daily high temperatures expected to hover near 100 degrees Fahrenheit. The accompanying heat index, which measures how hot it feels to the human body when relative humidity is factored in, is projected to reach approximately 105 degrees Fahrenheit.
This period of intense heat is forecast to persist through at least Friday. Residents are advised to take precautions during this time as extreme heat can pose health risks.
Looking ahead, forecasters anticipate a gradual decrease in the extreme temperatures over the weekend. However, the weather pattern is expected to remain hot, even as the peak intensity of the heat wave subsides.
Specific details regarding the duration beyond the weekend, the exact timing of any temperature decreases, or potential relief measures were not provided in the trend summary. The current forecast indicates sustained high temperatures, necessitating awareness and preparedness among the population.
Story summarized from the original created by Matt Chambers on www.firstalert4.com, see more information here.
