St. Louis, Missouri – Missouri gets a break from severe weather this Mother’s Day weekend, but early next week could bring stormy surprises for parts of the state. After a warm, sunny stretch through Sunday, thunderstorms could disrupt commutes by Monday afternoon, especially around St. Louis and major roadways like I-70 and I-64.
According to the National Weather Service, Saturday will be sunny across eastern Missouri, with highs near 77°F and calm winds. Sunday brings more sunshine, pushing temperatures to 78°F—ideal for outdoor Mother’s Day plans. But changes begin Monday, with a 40% chance of showers and possible thunderstorms after 1 p.m. Storms could intensify into the evening, and NWS warns of additional rainfall Tuesday with a 50% chance of storms after 1 p.m.
Cities like Florissant, Granite City, and downtown St. Louis should prepare for wet road conditions, minor flooding in low-lying areas, and possible thunderstorm delays during Monday’s evening drive. Drivers should monitor updates and avoid travel during heavy downpours.
By Monday night, rain chances dip to 20%, but humid, unsettled air lingers. Wednesday and Thursday look drier, with highs climbing to 90°F—a hint of summer on the horizon.
🔎 5-Day Forecast for St. Louis Area
- Saturday: Sunny, high 77°F
- Sunday (Mother’s Day): Mostly sunny, high 78°F
- Monday: 40% chance of showers/storms after 1 p.m., high 75°F
- Tuesday: 50% chance of storms after 1 p.m., high 79°F
- Wednesday: Mostly sunny, high 88°F
