
NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment
After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >
Hazardous Weather Conditions
Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
70°F
21°C
| Humidity | 82% |
| Wind Speed | SE 5 mph |
| Barometer | 29.87 in (1011.0 mb) |
| Dewpoint | 64°F (18°C) |
| Visibility | 10.00 mi |
| Last update | 17 May 1:53 am CDT |
Extended Forecast for
4 Miles SSW Troy IL
Overnight

Low: 67 °F
Mostly Cloudy
Sunday
High: 89 °F
Partly Sunny
then Sunny
and BreezySunday Night

Low: 71 °F
Increasing
CloudsMonday

High: 88 °F
Showers
Likely and
BreezyMonday Night

Low: 71 °F
Slight Chance
T-stormsTuesday
High: 86 °F
Showers
Likely then
ShowersTuesday Night

Low: 59 °F
Showers
LikelyWednesday

High: 71 °F
Mostly Cloudy
Wednesday Night

Low: 52 °F
Slight Chance
Showers
Detailed Forecast
Overnight
Mostly cloudy, with a low around 67. South wind around 8 mph.
Sunday
Partly sunny, then gradually becoming sunny, with a high near 89. Breezy, with a south wind 11 to 21 mph, with gusts as high as 29 mph.
Sunday Night
Increasing clouds, with a low around 71. South wind 14 to 17 mph, with gusts as high as 25 mph.
Monday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 88. Breezy, with a south wind 16 to 20 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A slight chance of showers and thunderstorms before 1am, then a slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 71. South wind 14 to 17 mph, with gusts as high as 25 mph. Chance of precipitation is 20%.
Tuesday
Showers and possibly a thunderstorm. High near 86. Chance of precipitation is 100%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 59. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 71.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 52.
Thursday
Partly sunny, with a high near 72.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 76.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 60.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 81.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
4 Miles SSW Troy IL
38.68°N 89.92°W (Elev. 574 ft)
38.68°N 89.92°W (Elev. 574 ft)
1:26 am CDT May 17, 2026
2am CDT May 17, 2026-6pm CDT May 23, 2026



