Hazardous Weather Conditions
Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
57°F
14°C
| Humidity | 93% |
| Wind Speed | SE 5 mph |
| Barometer | 29.87 in |
| Dewpoint | 55°F (13°C) |
| Visibility | 7.00 mi |
| Last update | 10 Mar 4:55 am CDT |
Extended Forecast for
4 Miles N Chesterfield IL
Today
High: 82 °F
Sunny then
Sunny and
BreezyTonight
Low: 49 °F
Chance
T-storms then
T-stormsWednesday
High: 61 °F⇓
Breezy.
T-storms then
Showers
LikelyWednesday Night

Low: 30 °F
Decreasing
CloudsThursday

High: 53 °F
Sunny
Thursday Night
Low: 42 °F
Mostly Cloudy
then Mostly
Cloudy and
BreezyFriday

High: 60 °F
Mostly Cloudy
Friday Night

Low: 36 °F
Mostly Cloudy
Saturday

High: 67 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 82. Breezy, with a south wind 8 to 13 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 28 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 49. Southwest wind 15 to 17 mph, with gusts as high as 32 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 47 by 5pm. Breezy, with a southwest wind 14 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 30. Northwest wind 6 to 16 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 53. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 42. Breezy.
Friday
Mostly cloudy, with a high near 60.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 67.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 44.
Sunday
Rain likely. Cloudy, with a high near 58. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 35.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
ABOUT THIS FORECAST
Point Forecast:
4 Miles N Chesterfield IL
39.3°N 90.09°W (Elev. 515 ft)
39.3°N 90.09°W (Elev. 515 ft)
3:46 am CDT Mar 10, 2026
5am CDT Mar 10, 2026-6pm CDT Mar 16, 2026



