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 | 87% |
| Wind Speed | Calm |
| Barometer | 29.91 in (1012.3 mb) |
| Dewpoint | 66°F (19°C) |
| Visibility | 10.00 mi |
| Last update | 30 May 12:53 am CDT |
Extended Forecast for
Trenton ILSimilar City Names
Overnight
Low: 66 °F
Slight Chance
ShowersSaturday
High: 80 °F
Slight Chance
ShowersSaturday Night
Low: 63 °F
Mostly Cloudy
Sunday
High: 80 °F
Slight Chance
ShowersSunday Night
Low: 63 °F
Chance
T-storms then
Showers
LikelyMonday
High: 84 °F
Chance
T-stormsMonday Night
Low: 63 °F
Slight Chance
ShowersTuesday
High: 82 °F
Sunny
Tuesday Night
Low: 59 °F
Mostly Clear
Detailed Forecast
Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 66. Calm wind.
Saturday
A slight chance of showers before 8am, then a slight chance of showers after 1pm. Mostly cloudy, with a high near 80. Light east wind increasing to 5 to 9 mph in the morning. Chance of precipitation is 20%.
Saturday Night
Mostly cloudy, with a low around 63. East wind around 8 mph.
Sunday
A 20 percent chance of showers before 1pm. Partly sunny, with a high near 80. Southeast wind around 7 mph.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 63. Southeast wind 5 to 7 mph becoming calm in the evening. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 84.
Monday Night
A 20 percent chance of showers. Partly cloudy, with a low around 63.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Mostly clear, with a low around 60.
Thursday
Sunny, with a high near 84.
Thursday Night
Partly cloudy, with a low around 66.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Trenton ILSimilar City Names
38.6°N 89.69°W (Elev. 502 ft)
38.6°N 89.69°W (Elev. 502 ft)
9:41 pm CDT May 29, 2026
1am CDT May 30, 2026-6pm CDT Jun 5, 2026
Additional Resources
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Hourly Weather Forecast
