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Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Fog/Mist
34°F
1°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 29.90 in (1013.4 mb) |
| Dewpoint | 32°F (0°C) |
| Visibility | 5.00 mi |
| Last update | 1 Jan 8:51 pm CST |
Extended Forecast for
Saint John MO
Tonight
Low: 29 °F
Patchy Fog
Friday
High: 35 °F
Cloudy
Friday Night
Low: 28 °F
Mostly Cloudy
Saturday
High: 40 °F
Decreasing
CloudsSaturday Night
Low: 26 °F
Mostly Clear
Sunday
High: 42 °F
Mostly Sunny
Sunday Night
Low: 35 °F
Partly Cloudy
Monday
High: 59 °F
Mostly Sunny
Monday Night
Low: 44 °F
Mostly Cloudy
Detailed Forecast
Tonight
Patchy fog between 1am and 2am. Otherwise, cloudy, with a low around 29. East wind around 5 mph becoming light and variable.
Friday
Cloudy, with a high near 35. Northeast wind around 6 mph.
Friday Night
Mostly cloudy, with a low around 28. Northeast wind around 6 mph.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 40. Northwest wind around 6 mph.
Saturday Night
Mostly clear, with a low around 26. Light northwest wind.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Partly cloudy, with a low around 35.
Monday
Mostly sunny, with a high near 59.
Monday Night
Mostly cloudy, with a low around 44.
Tuesday
Partly sunny, with a high near 62.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 57.
Wednesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 43.
Thursday
A 30 percent chance of rain. Mostly cloudy, with a high near 59.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint John MO
38.71°N 90.34°W (Elev. 597 ft)
38.71°N 90.34°W (Elev. 597 ft)
8:21 pm CST Jan 1, 2026
9pm CST Jan 1, 2026-6pm CST Jan 8, 2026
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