Clear, cool morning gives way to a warm, mostly sunny Memorial Day in St. Louis with highs near 83°F. Showers and scattered thunderstorms return late Tuesday into Wednesday.

Morning sprinkles possible with highs near 82°F. Memorial Day looks mostly sunny and warm; scattered afternoon storms return midweek.

Cloudy morning, highs near 82°F. Showers and thunderstorms are likely Saturday night with pockets of heavy rain possible.

Cloudy, cool Friday with a chance of afternoon showers. Weekend warms to the 80s with scattered storms possible.

Cool, clear Thursday gives way to likely rain Friday morning. Expect highs to rebound into the low 80s over the Memorial Day weekend.

Cloudy, cool Wednesday with morning showers possible and a wetter end to the week. Expect storms to arrive late Thursday night into Friday.

A Flood Watch is in effect through 1 p.m. CDT Tuesday, May 19, 2026, as heavy showers and thunderstorms continue across St. Louis. Expect brief flooding and gusty winds; allow extra travel time.

NWS confirmed two tornadoes in Linn County and one in Livingston County Saturday; survey crews reported an EF‑1 with 110 mph winds and no injuries.

Heavy showers and gusty south winds today; localized flash flooding is possible in spots. Expect brief downpours and travel disruption through the afternoon.

Highs near 91°F Sunday with south winds gusting near 30 mph; showers and storms likely Monday night into Tuesday.

Showers and thunderstorms likely during Saturday morning in St. Louis; highs near 84°F today and climb to about 91°F on Sunday. Expect gusts and brief heavy rain.

Brief morning storms may slow the Friday commute before skies clear and highs reach the mid-80s.

Sunny, mild Thursday turns stormy overnight; heavy rain possible during the Friday morning commute.