Todays weather in St. Louis MO - Saturday - 23 May 2026

(00:00:00) Todays weather in St. Louis MO - Saturday - 23 May 2026 (00:00:25) Today's Daytime Forecast (00:00:49) Tonight's Storm Timing (00:01:27) Weekend Into Memorial Day Outlook (00:01:54) Week Ahead Warning (00:02:13) Riley's St. Louis Sign-Off St. Louis is waking up to a gorgeous Saturday morning, but today's forecast has two very different halves. Right now it's partly sunny and 82°F with a light west breeze and virtually no rain chance this afternoon — just 3%. If you have outdoor plans, a patio lunch, or errands to run, this is your window. T-shirt and shorts weather, comfortable warmth, and clean driving conditions all day.Then tonight, the pattern shifts hard. Starting around 7 PM, showers and thunderstorms become possible, and after 11 PM storms are likely through the overnight hours. A 59% precipitation chance means this isn't something to gamble on — have a backup plan for any outdoor evening events. The low drops to around 63°F, and southwest winds help push the system through.Looking ahead, Sunday sees lingering morning rain chances before 10 AM and a mostly cloudy sky, though the high still reaches 82°F. By Memorial Day, conditions improve nicely — partly sunny, a high near 84°F, and only a 9% precipitation chance. That's the holiday weekend you're hoping for.One heads-up for the work week: Tuesday through Thursday looks consistently wet, with 60–70% precipitation chances across all three days. If you have outdoor plans mid-week, start making contingencies now.Your quick St. Louis weather briefing — practical, specific, and under three minutes. A YesWee production.This episode includes AI-generated content.