St. Louis, Missouri – A round of summer thunderstorms is expected to impact the Missouri–Illinois border Tuesday afternoon, bringing brief downpours and gusty winds just as drivers hit the roads.
According to the National Weather Service in St. Louis, a 40% chance of thunderstorms begins after 1 p.m. on Tuesday, July 8. Some storms may produce locally heavy rain and strong wind gusts, particularly along I-70, I-55, and I-64 across the St. Louis metro area. While severe weather is not guaranteed, isolated cells could still disrupt travel or outdoor plans.
Residents and commuters should use caution during the afternoon and early evening. Rain-slick roads, pooled water, and reduced visibility could impact drive times. Storm activity may linger into the night, with a 30% chance of additional showers and thunderstorms between 10 p.m. and 1 a.m. Overnight lows will hover near 72°F under mostly cloudy skies.
Wednesday and Thursday will offer drier periods, but the region isn’t in the clear. Daily afternoon storm chances return by Friday and continue into the weekend, accompanied by high humidity and temperatures near 90°F. Spotter activation is not anticipated, but residents are encouraged to stay alert for updated advisories.
🌤️ Five-Day Forecast: Missouri–Illinois Border (St. Louis Metro)
- Tuesday (July 8): 40% chance of storms after 1 p.m. | High: 90°F | Gusty winds, heavy rain possible
- Wednesday: 30% chance of storms after 1 p.m. | High: 89°F | Partly sunny, humid
- Thursday: 20% chance of storms after 1 p.m. | High: 91°F | Mostly sunny, summer-like
- Friday: 30% chance of storms after 1 p.m. | High: 90°F | Hot, humid with afternoon rain chances
- Saturday: 40% chance of storms | High: 89°F | Unsettled pattern continues into the weekend
