St. Louis, MO — Spring brings heat and storms to Missouri and southwest Illinois this week, with thunderstorm chances Thursday and a sharp cooldown Friday. St. Louis and Brooklyn, Illinois, face a mix of heat, wind, and storms before calm skies return by the weekend.
According to the National Weather Service in St. Louis, a slight chance of thunderstorms begins Thursday morning, with the likelihood increasing after 4 p.m. High temperatures will push 90°F Thursday afternoon before plummeting to the 50s by Friday. Winds could gust up to 30 mph, especially near I-64, which may impact evening commuters.
Rain chances linger Thursday night, with partly cloudy skies expected by early Friday. Highs will only reach the upper 50s Friday, with calm and sunny weather through Saturday. Saturday looks ideal for outdoor plans, with sunny skies and a high of 64°F.
While Sunday remains mild, reaching 73°F, rain returns Monday. The National Weather Service reports a 20% chance of storms Monday afternoon with highs climbing near 79°F.
Spotter activation is not anticipated at this time. However, residents are encouraged to stay weather-aware, especially if traveling Thursday evening along major corridors like I-64 and I-55.
5-Day Extended Forecast:
- Thursday: Chance of storms after 4 p.m., high near 90°F.
- Friday: Mostly sunny, high 58°F.
- Saturday: Sunny and calm, high 64°F.
- Sunday: Mostly sunny, high 73°F.
- Monday: 20% chance of PM storms, high 79°F.
