Hazardous Weather Conditions
Current conditions at
St. Charles, St. Charles County Smartt Airport (KSET)
Lat: 38.93°NLon: 90.43°WElev: 436ft.
Fair and Breezy
84°F
29°C
| Humidity | 48% |
| Wind Speed | S 22 G 29 mph |
| Barometer | 29.70 in (1005.3 mb) |
| Dewpoint | 62°F (17°C) |
| Visibility | 10.00 mi |
| Heat Index | 85°F (29°C) |
| Last update | 10 Mar 3:54 pm CDT |
Extended Forecast for
5 Miles NNW Hazelwood MO
Tonight
Low: 53 °F
Mostly Cloudy
then T-storms
LikelyWednesday
High: 67 °F⇓
Breezy.
T-storms then
Chance RainWednesday Night
Low: 32 °F
Decreasing
CloudsThursday
High: 56 °F
Sunny
Thursday Night
Low: 45 °F
Mostly Cloudy
Friday
High: 62 °F
Partly Sunny
Friday Night
Low: 38 °F
Mostly Cloudy
Saturday
High: 69 °F
Mostly Sunny
Saturday Night
Low: 50 °F
Mostly Cloudy
then Chance
Rain
Detailed Forecast
Tonight
Showers and thunderstorms likely, mainly after 4am. Mostly cloudy, with a low around 53. South wind 11 to 16 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Wednesday
Rain and thunderstorms before 3pm, then a slight chance of rain between 3pm and 4pm. Temperature falling to around 50 by 5pm. Breezy, with a southwest wind 14 to 22 mph becoming northwest in the morning. Winds could gust as high as 32 mph. Chance of precipitation is 90%.
Wednesday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 32. Northwest wind 13 to 18 mph decreasing to 7 to 12 mph after midnight. Winds could gust as high as 28 mph.
Thursday
Sunny, with a high near 56. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 45. South wind 10 to 18 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 30 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 50.
Sunday
Rain and possibly a thunderstorm before 1pm, then rain likely. High near 66. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 21. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 36.
Monday Night
Mostly clear, with a low around 19.
Tuesday
Partly sunny, with a high near 44.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles NNW Hazelwood MO
38.85°N 90.39°W (Elev. 430 ft)
38.85°N 90.39°W (Elev. 430 ft)
2:06 pm CDT Mar 10, 2026
4pm CDT Mar 10, 2026-6pm CDT Mar 17, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
