St. Louis, Mo – Gray skies and the chance of thunderstorms linger over parts of southwest Illinois today, but a calmer, sunnier stretch follows for Missouri and Illinois residents by Sunday. Drivers across I-55 and I-70 should remain alert this afternoon as pop-up storms could create slick spots.
According to the National Weather Service in St. Louis, a slight thunderstorm risk remains through Saturday evening, especially for counties in southwest Illinois. No hazardous weather is expected beyond tonight, with sunny and mild days returning across the region.
St. Louis will climb to a high near 87 degrees Saturday under partly sunny skies before clearing late tonight. Sunday will bring widespread sunshine with a high near 81. Winds remain light, easing travel conditions. The National Weather Service advises residents to use caution if storms flare today, especially on major roadways where visibility may quickly drop.
Looking ahead, Monday through Wednesday will feature clear skies and comfortable highs in the upper 70s. Morning lows will dip into the upper 50s to mid-50s, creating cool, refreshing nights. The next slight rain chance holds off until Friday, when a 20 percent chance of showers may return.
Residents should plan outdoor activities for Sunday through midweek, with stable conditions offering a break from unsettled late-summer weather. More updates will be issued if storm chances develop later in the week.
Five Day Forecast for St. Louis, Missouri
- Sunday: Sunny, high near 81, low around 59.
- Monday: Mostly sunny, high near 77, low around 55.
- Tuesday: Sunny, high near 77, low around 53.
- Wednesday: Sunny, high near 79, low around 57.
- Thursday: Mostly sunny, high near 81, low around 60.
