St. Louis, Missouri

Daily Forecast
Updated:   2026-05-16 @ 3:57 pm
There are 11 regional alerts

Day   Temp   Conditions Precip Wind

May 16 Tonight 67° F Slight Chance Showers And Thunderstorms then Mostly Cloudy   23%   SE 8 mph

May 17 Sunday 88° F Sunny   1%   S 8 to 17 mph
  Sunday Night 71° F Mostly Clear   5%   S 12 to 16 mph

May 18 Monday 90° F Slight Chance Showers And Thunderstorms   59%   S 13 to 16 mph
  Monday Night 72° F Showers And Thunderstorms Likely   59%   S 15 mph

May 19 Tuesday 90° F Showers And Thunderstorms   86%   S 10 to 15 mph
  Tuesday Night 61° F Showers And Thunderstorms   86%   W 6 to 10 mph

May 20 Wednesday 73° F Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms   51%   N 10 mph
  Wednesday Night 54° F Slight Chance Rain Showers   17%   NE 6 to 9 mph

May 21 Thursday 72° F Slight Chance Rain Showers then Partly Sunny   16%   NE 8 mph
  Thursday Night 55° F Mostly Cloudy then Slight Chance Rain Showers   17%   NE 5 to 8 mph

May 22 Friday 76° F Slight Chance Rain Showers   18%   NE 7 mph
  Friday Night 59° F Slight Chance Rain Showers   18%   E 3 to 7 mph

May 23 Saturday 83° F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms   20%   E 3 to 7 mph