St. Louis, IL – Thunderstorms and gusty winds return to the Illinois side of the St. Louis region Tuesday night, disrupting travel and midweek plans. Drivers on I-64 and I-55 should prepare for slick conditions and low visibility after sunset.
According to the National Weather Service, Tuesday night’s rain will begin after 7 p.m., with a 60% chance of showers increasing to 100% overnight. Winds could gust as high as 30 mph, especially along higher-elevation stretches of I-55 and I-70. Daytime Tuesday will remain mostly sunny, with a high near 62°F.
By Wednesday, heavy rain and thunderstorms will dominate the forecast from 7 a.m. to 10 a.m., with scattered showers lingering into the evening. Temperatures will peak around 76°F before dropping Wednesday night to a low of 52°F. Commuters should monitor weather apps and allow extra time for travel.
Five-Day Forecast Snapshot for St. Louis Metro (IL side):
- Tuesday: Mostly sunny, high of 62°F. Gusts up to 23 mph.
- Tuesday Night: Showers likely, increasing after 7 p.m. Low around 55°F.
- Wednesday: Thunderstorms possible in morning. High of 76°F.
- Thursday: Showers, 80% chance, high of 64°F. Low around 49°F.
- Friday: Continued rain chances, high near 65°F, 80% chance of showers.
