St. Louis, MO – Heavy rain, severe thunderstorms, and flash flooding are poised to impact eastern Missouri and parts of western Illinois through Easter Sunday, creating major travel and safety concerns across the region.
According to the National Weather Service in St. Louis, multiple rounds of thunderstorms will move across the area starting Friday morning and continuing into early Monday. The threat increases Friday evening, with a 90% chance of rain and locally heavy downpours forecast. Isolated severe storms may produce large hail and damaging winds, particularly in northeast Missouri and west-central Illinois.
Areas along Interstate 70, including St. Louis, Columbia, and into the Metro East region of Illinois, could see river flooding and localized flash flooding. Rainfall totals will accumulate quickly, especially between late Friday and Sunday evening. Easter weekend travelers should monitor road conditions closely.
Forecasters say thunderstorm chances remain high through Sunday night. Monday offers partial relief with clearer skies, though showers may return Tuesday night into Wednesday.
5-Day Spring Weather Outlook for St. Louis Area:
- Friday: High 83°F, showers likely after 10 a.m. Chance of thunderstorms late.
- Saturday: High 65°F, 90% chance of rain and thunderstorms.
- Sunday (Easter): High 67°F, thunderstorms likely.
- Monday: High 75°F, mostly sunny.
- Tuesday: High 74°F, chance of storms returning by night.
