St. Louis, Missouri

Hourly Forecast
Updated:   2026-05-16 @ 3:57 pm
 There are 11 regional alerts
Time Temp   Conditions Precip Humidity Wind
Saturday May 16
7:00 PM 74° F Slight Chance Showers And Thunderstorms   17%   76%   S 7 mph
8:00 PM 72° F Mostly Cloudy   14%   79%   SE 7 mph
9:00 PM 76° F Mostly Cloudy   10%   69%   SE 8 mph
10:00 PM 74° F Mostly Cloudy   7%   71%   SE 8 mph
11:00 PM 73° F Mostly Cloudy   4%   73%   SE 7 mph
Sunday May 17
12:00 AM 73° F Mostly Cloudy   1%   73%   SE 7 mph
1:00 AM 72° F Mostly Cloudy   1%   76%   S 7 mph
2:00 AM 71° F Mostly Cloudy   1%   79%   SE 6 mph
3:00 AM 69° F Mostly Cloudy   2%   81%   SE 7 mph
4:00 AM 68° F Mostly Cloudy   1%   84%   S 7 mph
5:00 AM 68° F Mostly Cloudy   1%   81%   S 8 mph
6:00 AM 67° F Partly Sunny   1%   84%   S 8 mph
7:00 AM 68° F Mostly Sunny   1%   81%   S 9 mph
8:00 AM 70° F Mostly Sunny   1%   78%   S 10 mph
9:00 AM 73° F Sunny   1%   73%   S 12 mph
10:00 AM 78° F Sunny   0%   64%   S 12 mph
11:00 AM 81° F Sunny   0%   58%   S 14 mph
12:00 PM 84° F Sunny   1%   53%   S 14 mph
1:00 PM 84° F Sunny   1%   51%   S 15 mph
2:00 PM 86° F Sunny   0%   48%   S 16 mph
3:00 PM 88° F Sunny   0%   45%   S 16 mph
4:00 PM 88° F Sunny   0%   43%   S 16 mph
5:00 PM 87° F Sunny   0%   45%   S 17 mph
6:00 PM 88° F Mostly Clear   0%   42%   S 16 mph
7:00 PM 86° F Clear   0%   43%   S 15 mph
8:00 PM 83° F Clear   0%   48%   S 14 mph
9:00 PM 82° F Clear   0%   49%   S 14 mph
10:00 PM 80° F Mostly Clear   0%   52%   S 13 mph
11:00 PM 78° F Clear   0%   56%   S 13 mph
Monday May 18
12:00 AM 77° F Mostly Clear   0%   58%   S 12 mph
1:00 AM 76° F Partly Cloudy   5%   60%   S 12 mph
2:00 AM 75° F Partly Cloudy   5%   64%   S 12 mph
3:00 AM 73° F Partly Cloudy   5%   71%   S 12 mph
4:00 AM 73° F Mostly Cloudy   5%   71%   S 13 mph
5:00 AM 73° F Partly Cloudy   5%   73%   S 13 mph
6:00 AM 71° F Partly Sunny   5%   81%   S 13 mph
7:00 AM 73° F Slight Chance Rain Showers   20%   79%   S 13 mph
8:00 AM 74° F Slight Chance Rain Showers   20%   79%   S 14 mph
9:00 AM 77° F Slight Chance Rain Showers   20%   74%   S 15 mph
10:00 AM 81° F Slight Chance Showers And Thunderstorms   20%   65%   S 15 mph
11:00 AM 83° F Slight Chance Showers And Thunderstorms   20%   61%   S 15 mph
12:00 PM 85° F Slight Chance Showers And Thunderstorms   20%   59%   S 15 mph
1:00 PM 86° F Showers And Thunderstorms Likely   59%   57%   S 15 mph
2:00 PM 87° F Showers And Thunderstorms Likely   59%   55%   S 15 mph
3:00 PM 88° F Showers And Thunderstorms Likely   59%   54%   S 16 mph
4:00 PM 89° F Showers And Thunderstorms Likely   59%   52%   S 16 mph
5:00 PM 89° F Showers And Thunderstorms Likely   59%   52%   S 16 mph
6:00 PM 88° F Showers And Thunderstorms Likely   59%   52%   S 15 mph
7:00 PM 86° F Chance Showers And Thunderstorms   26%   55%   S 14 mph
8:00 PM 84° F Chance Showers And Thunderstorms   26%   59%   S 13 mph
9:00 PM 82° F Chance Showers And Thunderstorms   26%   61%   S 13 mph
10:00 PM 80° F Chance Showers And Thunderstorms   26%   65%   S 13 mph
11:00 PM 79° F Chance Showers And Thunderstorms   26%   67%   S 13 mph
Tuesday May 19
12:00 AM 78° F Chance Showers And Thunderstorms   26%   69%   S 14 mph
1:00 AM 77° F Chance Showers And Thunderstorms   32%   71%   S 14 mph
2:00 AM 76° F Chance Showers And Thunderstorms   32%   74%   S 14 mph
3:00 AM 75° F Chance Showers And Thunderstorms   32%   76%   S 14 mph
4:00 AM 74° F Chance Showers And Thunderstorms   32%   79%   S 14 mph
5:00 AM 73° F Chance Showers And Thunderstorms   32%   81%   S 14 mph
6:00 AM 72° F Chance Showers And Thunderstorms   32%   84%   S 13 mph
7:00 AM 73° F Showers And Thunderstorms Likely   62%   81%   S 13 mph
8:00 AM 75° F Showers And Thunderstorms Likely   62%   79%   S 14 mph
9:00 AM 79° F Showers And Thunderstorms Likely   62%   69%   S 14 mph
10:00 AM 82° F Showers And Thunderstorms Likely   62%   65%   S 15 mph
11:00 AM 83° F Showers And Thunderstorms Likely   62%   63%   S 15 mph
12:00 PM 84° F Showers And Thunderstorms Likely   62%   61%   S 15 mph
1:00 PM 85° F Showers And Thunderstorms   86%   59%   S 14 mph
2:00 PM 86° F Showers And Thunderstorms   86%   57%   S 13 mph
3:00 PM 88° F Showers And Thunderstorms   86%   55%   S 13 mph
4:00 PM 88° F Showers And Thunderstorms   86%   55%   S 12 mph
5:00 PM 87° F Showers And Thunderstorms   86%   57%   SW 10 mph
6:00 PM 86° F Showers And Thunderstorms   86%   57%   SW 9 mph
7:00 PM 82° F Showers And Thunderstorms   76%   63%   SW 8 mph
8:00 PM 79° F Showers And Thunderstorms   76%   69%   SW 7 mph
9:00 PM 76° F Showers And Thunderstorms   76%   74%   W 6 mph
10:00 PM 74° F Showers And Thunderstorms   76%   79%   W 6 mph
11:00 PM 72° F Showers And Thunderstorms   76%   84%   W 6 mph
Wednesday May 20
12:00 AM 71° F Showers And Thunderstorms   76%   84%   NW 6 mph
1:00 AM 70° F Chance Showers And Thunderstorms   51%   84%   NW 7 mph
2:00 AM 68° F Chance Showers And Thunderstorms   51%   87%   NW 8 mph
3:00 AM 66° F Chance Showers And Thunderstorms   51%   87%   NW 8 mph
4:00 AM 64° F Chance Showers And Thunderstorms   51%   87%   NW 9 mph
5:00 AM 62° F Chance Showers And Thunderstorms   51%   87%   N 10 mph
6:00 AM 61° F Chance Showers And Thunderstorms   51%   84%   N 10 mph
7:00 AM 61° F Slight Chance Showers And Thunderstorms   16%   81%   N 10 mph
8:00 AM 61° F Slight Chance Showers And Thunderstorms   16%   78%   N 9 mph
9:00 AM 63° F Slight Chance Showers And Thunderstorms   16%   70%   N 9 mph
10:00 AM 64° F Slight Chance Showers And Thunderstorms   16%   67%   N 8 mph
11:00 AM 66° F Slight Chance Showers And Thunderstorms   16%   63%   N 8 mph
12:00 PM 67° F Slight Chance Showers And Thunderstorms   16%   61%   N 8 mph
1:00 PM 69° F Mostly Cloudy   10%   57%   N 8 mph
2:00 PM 70° F Mostly Cloudy   10%   55%   N 8 mph
3:00 PM 72° F Mostly Cloudy   10%   53%   N 9 mph
4:00 PM 72° F Mostly Cloudy   10%   53%   N 9 mph
5:00 PM 72° F Mostly Cloudy   10%   51%   N 9 mph
6:00 PM 71° F Mostly Cloudy   10%   53%   N 9 mph
7:00 PM 70° F Slight Chance Rain Showers   17%   53%   N 8 mph
8:00 PM 68° F Slight Chance Rain Showers   17%   57%   N 7 mph
9:00 PM 66° F Slight Chance Rain Showers   17%   63%   N 7 mph
10:00 PM 64° F Slight Chance Rain Showers   17%   67%   N 6 mph
11:00 PM 63° F Slight Chance Rain Showers   17%   70%   N 6 mph
Thursday May 21
12:00 AM 61° F Slight Chance Rain Showers   17%   75%   NE 6 mph
1:00 AM 60° F Slight Chance Rain Showers   16%   75%   NE 6 mph
2:00 AM 59° F Slight Chance Rain Showers   16%   75%   NE 6 mph
3:00 AM 57° F Slight Chance Rain Showers   16%   80%   NE 7 mph
4:00 AM 56° F Slight Chance Rain Showers   16%   80%   NE 7 mph
5:00 AM 55° F Slight Chance Rain Showers   16%   80%   NE 7 mph
6:00 AM 54° F Slight Chance Rain Showers   16%   80%   NE 8 mph
7:00 AM 54° F Partly Sunny   10%   77%   NE 8 mph
8:00 AM 56° F Partly Sunny   10%   72%   NE 8 mph
9:00 AM 58° F Partly Sunny   10%   67%   NE 8 mph
10:00 AM 61° F Partly Sunny   10%   62%   NE 8 mph
11:00 AM 63° F Partly Sunny   10%   60%   NE 8 mph
12:00 PM 66° F Partly Sunny   10%   54%   NE 8 mph
1:00 PM 68° F Partly Sunny   8%   53%   NE 8 mph
2:00 PM 70° F Partly Sunny   8%   51%   NE 8 mph
3:00 PM 71° F Partly Sunny   8%   49%   NE 8 mph
4:00 PM 72° F Partly Sunny   8%   48%   NE 8 mph
5:00 PM 72° F Partly Sunny   8%   48%   NE 8 mph
6:00 PM 71° F Mostly Cloudy   8%   47%   NE 8 mph
7:00 PM 70° F Mostly Cloudy   11%   49%   NE 8 mph
8:00 PM 68° F Mostly Cloudy   11%   53%   NE 7 mph
9:00 PM 66° F Mostly Cloudy   11%   58%   NE 7 mph
10:00 PM 64° F Mostly Cloudy   11%   65%   NE 6 mph
11:00 PM 63° F Mostly Cloudy   11%   67%   NE 6 mph
Friday May 22
12:00 AM 62° F Mostly Cloudy   11%   72%   E 5 mph
1:00 AM 61° F Slight Chance Rain Showers   17%   75%   E 5 mph
2:00 AM 60° F Slight Chance Rain Showers   17%   78%   E 5 mph
3:00 AM 58° F Slight Chance Rain Showers   17%   83%   NE 5 mph
4:00 AM 57° F Slight Chance Rain Showers   17%   86%   NE 5 mph
5:00 AM 56° F Slight Chance Rain Showers   17%   90%   NE 5 mph
6:00 AM 55° F Slight Chance Rain Showers   17%   90%   NE 6 mph
7:00 AM 56° F Slight Chance Rain Showers   17%   86%   NE 6 mph
8:00 AM 58° F Slight Chance Rain Showers   17%   80%   NE 6 mph
9:00 AM 61° F Slight Chance Rain Showers   17%   75%   NE 6 mph
10:00 AM 64° F Slight Chance Rain Showers   17%   70%   NE 6 mph
11:00 AM 67° F Slight Chance Rain Showers   17%   63%   NE 6 mph
12:00 PM 70° F Slight Chance Rain Showers   17%   59%   NE 7 mph
1:00 PM 72° F Slight Chance Rain Showers   18%   55%   NE 7 mph
2:00 PM 74° F Slight Chance Rain Showers   18%   51%   NE 7 mph
3:00 PM 75° F Slight Chance Rain Showers   18%   52%   E 7 mph
4:00 PM 76° F Slight Chance Rain Showers   18%   50%   E 7 mph
5:00 PM 76° F Slight Chance Rain Showers   18%   50%   E 7 mph
6:00 PM 75° F Slight Chance Rain Showers   18%   50%   E 7 mph
7:00 PM 74° F Slight Chance Rain Showers   15%   51%   E 7 mph
8:00 PM 72° F Slight Chance Rain Showers   15%   55%   E 6 mph
9:00 PM 70° F Slight Chance Rain Showers   15%   61%   E 6 mph
10:00 PM 68° F Slight Chance Rain Showers   15%   68%   E 5 mph
11:00 PM 66° F Slight Chance Rain Showers   15%   75%   E 5 mph
Saturday May 23
12:00 AM 65° F Slight Chance Rain Showers   15%   78%   E 3 mph
1:00 AM 64° F Slight Chance Rain Showers   17%   81%   E 3 mph
2:00 AM 63° F Slight Chance Rain Showers   17%   84%   E 3 mph
3:00 AM 62° F Slight Chance Rain Showers   17%   84%   E 3 mph
4:00 AM 61° F Slight Chance Rain Showers   17%   87%   E 3 mph
5:00 AM 60° F Slight Chance Rain Showers   17%   90%   E 3 mph
6:00 AM 60° F Slight Chance Rain Showers   17%   90%   E 3 mph