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 Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
65°F
18°C
| Humidity | 92% |
| Wind Speed | SE 8 mph |
| Barometer | 29.91 in |
| Dewpoint | 63°F (17°C) |
| Visibility | 10.00 mi |
| Last update | 17 May 5:55 am CDT |
Extended Forecast for
3 Miles N Chesterfield IL
Today
High: 87 °F
Mostly Sunny
then Mostly
Sunny and
BreezyTonight
Low: 71 °F
Partly Cloudy
Monday
High: 85 °F
Showers
LikelyMonday Night
Low: 66 °F
Chance
T-stormsTuesday
High: 83 °F
Showers
Tuesday Night
Low: 53 °F
Chance
ShowersWednesday
High: 68 °F
Partly Sunny
Wednesday Night
Low: 47 °F
Mostly Cloudy
Thursday
High: 70 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 87. Breezy, with a south wind 9 to 14 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Partly cloudy, with a low around 71. South wind 14 to 17 mph, with gusts as high as 26 mph.
Monday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 11am, then showers likely and possibly a thunderstorm after 11am. Increasing clouds, with a high near 85. South wind 15 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 1am. Partly cloudy, with a low around 66. South wind 14 to 17 mph, with gusts as high as 26 mph.
Tuesday
Showers and possibly a thunderstorm. High near 83. South wind 13 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 53. Chance of precipitation is 50%.
Wednesday
Partly sunny, with a high near 68.
Wednesday Night
Mostly cloudy, with a low around 47.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly cloudy, with a low around 50.
Friday
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 74.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 80.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
3 Miles N Chesterfield IL
39.3°N 90.09°W (Elev. 515 ft)
39.3°N 90.09°W (Elev. 515 ft)
4:26 am CDT May 17, 2026
6am CDT May 17, 2026-6pm CDT May 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
