St. Louis, MO – The St. Louis area is bracing for a dangerous heat spell, with highs near 98°F expected Saturday. Residents are advised to take precautions as rising temperatures and humidity make outdoor activities risky. Scattered storms are expected to arrive late Sunday, offering brief relief but also the potential for heavy rainfall and gusty winds.
Dangerous Heat Continues Through Saturday
According to the National Weather Service in St. Louis, Friday will reach 95°F under mostly sunny skies. By Saturday, highs climb to near 98°F, with oppressive humidity creating heat index values above 100°F during peak afternoon hours.
Communities including Lambert International Airport, Granite City, Edwardsville, and Belleville will be most affected, as the heat dome spreads across Missouri and southwestern Illinois. Officials warn that extended exposure can lead to heat exhaustion, heatstroke, and other heat-related illnesses.
Residents are urged to:
- Limit outdoor work and strenuous activity during midday hours.
- Drink plenty of water and avoid alcohol or caffeine.
- Check on elderly or vulnerable neighbors.
- Keep emergency water supplies in vehicles due to rising pavement and cabin temperatures.
Storm Chances Late Sunday into Midweek
A slight chance of thunderstorms arrives Sunday afternoon, with scattered showers continuing into midweek. While storms may offer temporary relief from the heat, they could also bring heavy downpours, lightning, and gusty winds…