Todays weather in St. Louis MO - Friday - 12 June 2026

St. Louis is waking up to one of the cleanest forecast days of the week. Right now, skies are clear, the northwest wind is a mild five miles per hour, and today's high will top out near 85 degrees with zero chance of rain. If you've been waiting for a lunch outside or a clean commute, Friday is your window.Tonight stays comfortable — mostly clear, a low around 65 degrees, and a gentle east wind at three miles per hour. Ideal sleeping weather if you crack the window.The weekend is where things shift. Saturday brings a 50% chance of showers and thunderstorms during the day, with the high near 86. By Saturday night, storm chances surge to nearly 90%. That's not a maybe — plan your Saturday evening around it or keep things indoors. Sunday morning carries lingering storm chances around 68% before skies clear and a northwest wind freshens things up. Sunday afternoon looks decent if you can wait out the morning.Looking ahead, Monday and Tuesday return to clean skies with highs near 79 and 83. Another round of storm chances builds by Wednesday into Thursday, but details will sharpen as we get closer.Bottom line for St. Louis: enjoy today's sunshine, keep an umbrella handy for Saturday, and have patience through the weekend. A YesWee production built using AI technology.This episode includes AI-generated content.