St Louis Airport (STL) Weather 05/19/2025
Tonight
66
Severe Thunderstorms
Tuesday
81
Showers Likely then Scattered T-storms
Tuesday Night
55
Partly Cloudy
Wednesday
71
Mostly Sunny
Wednesday Night
50
Slight Chance Showers
Thursday
64
Partly Sunny
Thursday Night
48
Partly Cloudy
Friday
69
Mostly Sunny
Friday Night
53
Slight Chance Showers
Saturday
69
Chance Showers
Saturday Night
56
Chance Showers
Sunday
70
Chance Showers
Sunday Night
58
Chance T-storms then Showers Likely
Weekly Forecast
Tonight
Showers and thunderstorms before 1am, then showers and possibly a thunderstorm, mainly after 1am. Some of the storms could be severe. Low around 66. Southeast wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Tuesday
Showers likely and possibly a thunderstorm before 7am, then scattered showers and thunderstorms between 7am and 4pm. Cloudy, then gradually becoming mostly sunny, with a high near 81. Southeast wind around 14 mph becoming west in the afternoon. Winds could gust as high as 22 mph. Chance of precipitation is 60%.
Tuesday Night
Partly cloudy, with a low around 55. West wind 10 to 13 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 71. West wind 13 to 15 mph, with gusts as high as 28 mph.
Wednesday Night
A 20 percent chance of showers. Partly cloudy, with a low around 50. West wind 8 to 13 mph, with gusts as high as 21 mph.
Thursday
Partly sunny, with a high near 64.
Thursday Night
Partly cloudy, with a low around 48.
Friday
Mostly sunny, with a high near 69.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 53.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 69.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 56.
Sunday
A 50 percent chance of showers. Mostly cloudy, with a high near 70.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.