Heavy rain and a Flood Watch are affecting St. Louis Thursday before temperatures surge into the 90s this weekend.

Clear skies and light winds set up a sunny Monday in St. Louis, but storm chances return midweek. Temperatures climb from the mid-80s to the low 90s before showers and thunderstorms move in.

Clouds break for a sunny Sunday in St. Louis before temperatures climb into the 90s and storm chances return later in the week.

St. Louis faces a cloudy, cool Saturday with scattered showers before sunshine and warmer temperatures return next week.

Severe storms could bring damaging winds and heavy rain to St. Louis on Friday before a much cooler, showery weekend.

St. Louis gets sunny, less-humid weather Wednesday and Thursday before showers and thunderstorms move in late Thursday night.

Heat Advisory through 7 p.m. Tuesday with feels-like temps above 100°F. Cooling centers and safety tips for St. Louis residents.

Extreme Heat Warning for St. Louis today: highs near 100°F and heat‑index readings over 110°F.

Dangerous heat will bake St. Louis Sunday into Monday with heat-index readings above 115°F. Cooling centers and 2‑1‑1 assistance are available.

Morning storms may slow commutes, then a Heat Advisory runs Sunday–Monday with heat index readings near 110°F.

Cool morning but a fast flip: showers this afternoon, then an Extreme Heat Watch Sunday–Tuesday. Prepare for highs in the 90s and heat indices over 105°F.

Cool Thursday, then late-week storms; heat spikes near 100°F by Monday.

Mostly clear and less humid Wednesday with highs near 84°F. Showers return Friday and heat surges into the upper 90s by Sunday.