Hazardous Weather Conditions
Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Light Rain
48°F
9°C
| Humidity | 86% |
| Wind Speed | NW 8 mph |
| Barometer | 29.88 in (1011.1 mb) |
| Dewpoint | 44°F (7°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 18 Apr 5:51 am CDT |
Extended Forecast for
Frontenac MO
Today
High: 58 °F
Chance
Showers then
SunnyTonight

Low: 42 °F
Clear
Sunday

High: 69 °F
Sunny
Sunday Night

Low: 43 °F
Mostly Clear
Monday

High: 69 °F
Sunny
Monday Night

Low: 53 °F
Mostly Clear
Tuesday

High: 80 °F
Mostly Sunny
Tuesday Night

Low: 59 °F
Mostly Clear
Wednesday

High: 82 °F
Sunny
Detailed Forecast
Today
A 40 percent chance of showers, mainly before 7am. Cloudy through mid morning, then gradual clearing, with a high near 58. Northwest wind 9 to 15 mph, with gusts as high as 25 mph.
Tonight
Clear, with a low around 42. Northwest wind 5 to 10 mph becoming light west after midnight.
Sunday
Sunny, with a high near 69. West wind 5 to 13 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 43. Northwest wind 5 to 7 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 69. Southeast wind 3 to 7 mph.
Monday Night
Mostly clear, with a low around 53.
Tuesday
Mostly sunny, with a high near 80.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 82.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Mostly sunny, with a high near 85.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Friday
Showers and thunderstorms likely. Partly sunny, with a high near 78. Chance of precipitation is 70%.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Frontenac MO
38.62°N 90.4°W (Elev. 597 ft)
38.62°N 90.4°W (Elev. 597 ft)
5:41 am CDT Apr 18, 2026
6am CDT Apr 18, 2026-6pm CDT Apr 24, 2026



