Hazardous Weather Conditions
Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Fog/Mist
39°F
4°C
| Humidity | 93% |
| Wind Speed | SE 7 mph |
| Barometer | 30.13 in (1021.1 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 3.00 mi |
| Wind Chill | 34°F (1°C) |
| Last update | 3 Mar 1:51 am CST |
Extended Forecast for
Saint Charles MO
Overnight

Low: 38 °F
Showers and
Patchy FogTuesday

High: 56 °F
Showers and
Patchy FogTuesday Night

Low: 48 °F
Showers
Wednesday

High: 62 °F
Showers
Wednesday Night

Low: 54 °F
Showers
Thursday
High: 68 °F
Showers
Likely then
Chance
ShowersThursday Night
Low: 57 °F
Chance
Showers then
Showers
LikelyFriday
High: 78 °F
Chance
T-storms then
Chance
ShowersFriday Night
Low: 59 °F
Chance
Showers then
Showers
Detailed Forecast
Overnight
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Patchy fog after 3am. Low around 38. East wind around 5 mph. Chance of precipitation is 100%.
Tuesday
Showers and thunderstorms before 2pm, then showers and possibly a thunderstorm, mainly after 2pm. Patchy fog between 7am and 9am. High near 56. Light and variable wind becoming northeast around 6 mph in the morning. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm. Low around 48. Northeast wind 5 to 7 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm. High near 62. East wind 5 to 7 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 54. Southwest wind around 6 mph. Chance of precipitation is 90%.
Thursday
Showers likely and possibly a thunderstorm before noon, then a chance of showers. Mostly cloudy, with a high near 68. Chance of precipitation is 70%.
Thursday Night
A chance of showers, then showers likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 57. Chance of precipitation is 60%.
Friday
A chance of showers and thunderstorms. Partly sunny, with a high near 78. Chance of precipitation is 50%.
Friday Night
A chance of showers, then showers and possibly a thunderstorm after midnight. Low around 59. Chance of precipitation is 80%.
Saturday
A 50 percent chance of showers and thunderstorms, mainly before noon. Mostly cloudy, with a high near 68.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Mostly sunny, with a high near 68.
Sunday Night
Mostly clear, with a low around 50.
Monday
A 20 percent chance of showers. Sunny, with a high near 73.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Saint Charles MO
38.78°N 90.51°W (Elev. 597 ft)
38.78°N 90.51°W (Elev. 597 ft)
12:26 am CST Mar 3, 2026
2am CST Mar 3, 2026-6pm CDT Mar 9, 2026



