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.
Forecasters recommend staying informed about the latest updates, as conditions may change rapidly during summer heat events.
Five-Day Forecast for St. Louis
- Friday: Sunny, high near 95°F, low 71°F.
- Saturday: Hot, high near 98°F, low 71°F, partly cloudy.
- Sunday: Mostly sunny, high near 97°F, 20% chance of storms after 1 p.m., low 71°F.
- Monday: Partly sunny, high near 96°F, 20% chance of showers, low 71°F.
- Tuesday: Hot, high near 97°F with scattered storms possible, low 71°F.
Safety Tips for Residents
With dangerous heat and sudden storms possible, officials emphasize preparedness:
- Seek shade or air-conditioned spaces during peak heat hours.
- Avoid leaving pets or children in vehicles.
- Secure loose outdoor items ahead of storms.
- Monitor weather alerts via local news or smartphone apps.
Residents of St. Louis and surrounding areas should remain cautious this weekend, balancing the risks of extreme heat with the arrival of possible storms. Following these safety guidelines can help prevent heat-related illnesses while still enjoying the late summer days.
Stay safe, stay hydrated, and check the latest weather updates regularly. Share your experiences or tips in the comments below to help others in the community navigate this heatwave.
