St. Louis, Missouri – Scorching temperatures and pop-up storms will challenge St. Louis-area residents Friday, July 25, as summer heat surges back with dangerous intensity.
According to the National Weather Service, high temperatures will reach 96°F by mid-afternoon Friday, with heat index values peaking near 107°F. A 20% chance of scattered thunderstorms arrives after 1 p.m., potentially affecting I-64, I-70, and I-55 commuters with sudden downpours and gusty winds.
The heat won’t let up over the weekend. Saturday and Sunday both bring highs in the upper 90s, paired with slight storm chances that could disrupt evening events or outdoor gatherings. Sunday will likely be the hottest day, with a forecast high near 97°F under mostly sunny skies.
Residents are urged to take precautions:
- Stay indoors between 11 a.m. and 4 p.m.
- Drink water frequently and avoid alcohol outdoors
- Check on vulnerable neighbors and pets
- Prepare for isolated power outages in storm-affected zones
Looking ahead, the intense summer pattern holds into early next week. Monday brings more sunshine and heat, with a high near 99°F and little wind relief. Storm chances return Tuesday afternoon with another potential cooldown by midweek.
☀️ Five-Day Forecast for St. Louis, MO (July 25–30):
- Friday: Mostly sunny, 96°F high, heat index 107°F. 20% chance of PM storms.
- Saturday: High near 96°F, slight afternoon thunderstorm risk.
- Sunday: Hot and mostly sunny, high near 97°F.
- Monday: Sunny, high near 99°F. Dry and hot.
- Tuesday: 30% chance of storms. Partly cloudy, high around 95°F.
⚠️ Extreme Heat Warning remains active until 7 p.m. Thursday. Additional advisories may be issued through the weekend and early next week.
