Muggy Saturday with spotty afternoon storms and highs near 85°F. More organized showers arrive Sunday night into Monday.

Clear, mild morning in St. Louis. Scattered showers and storms possible Friday night; warmer, unsettled weekend with higher rain chances into Monday.

Patchy fog this morning in river valleys, then a warm, partly sunny day with a high near 86°F. Small rain chance Friday; drier trend next week.

Cloudy, muggy Wednesday with highs near 82°F and spotty afternoon showers, mainly east along I‑70.

Warm and mostly dry Tuesday with a small chance of brief late‑afternoon storms. Lows will fall to the mid‑60s.

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.