St. Louis, Missouri – Missouri kicks off the weekend with dangerous heat and the growing threat of afternoon thunderstorms Friday, July 11, as summer weather intensifies across the region.
According to the National Weather Service in St. Louis, Friday’s high will soar to 96°F, but it could feel closer to 101°F due to humidity. A 30% chance of storms begins after 1 p.m., posing risks for drivers along I-70 and eventgoers in outdoor venues. Winds will stay light but shift from the south later in the day. Those with outdoor plans should hydrate and seek shade during peak hours.
Saturday’s heat continues, with a high near 92°F and a 50% chance of storms after 1 p.m. Storms may linger into Saturday night, with a 40% chance mainly before 1 a.m. Sunday will offer some relief, with highs near 89°F and another round of afternoon showers possible.
The pattern holds into next week. Monday through Wednesday features continued daily storm chances (30-50%) and highs between 91°F and 93°F. While severe weather is not guaranteed, frequent downpours and lightning could disrupt daily routines.
Residents should prepare for possible lightning delays at parks, pool closures, and localized ponding on roads through midweek. Keep weather alerts active and limit strenuous activity during peak afternoon hours.
📅 Five-Day Forecast for St. Louis (July 11–15):
- Friday: High 96°F — Mostly sunny, storms after 1 p.m. (30% chance), heat index up to 101°F
- Saturday: High 92°F — Storms likely after 1 p.m. (50%), evening chance continues
- Sunday: High 89°F — Partly sunny, chance of storms after 1 p.m. (30%)
- Monday: High 91°F — Afternoon storm chances continue (30%)
- Tuesday: High 93°F — Partly sunny, with 30% chance of thunderstorms in the afternoon
⚠️ Stay weather-aware this weekend. More thunderstorm activity is possible through midweek.
