Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
49°F
9°C
| Humidity | 80% |
| Wind Speed | SE 3 mph |
| Barometer | 29.97 in |
| Dewpoint | 43°F (6°C) |
| Visibility | 10.00 mi |
| Last update | 20 Mar 1:35 am CDT |
Extended Forecast for
Marine IL
Overnight
Low: 49 °F
Partly Cloudy
Friday
High: 83 °F
Mostly Sunny
Friday Night
Low: 50 °F
Partly Cloudy
Saturday
High: 77 °F
Sunny
Saturday Night
Low: 59 °F
Clear
Sunday
High: 86 °F
Mostly Sunny
Sunday Night
Low: 40 °F
Slight Chance
RainMonday
High: 57 °F
Mostly Sunny
Monday Night
Low: 39 °F
Partly Cloudy
Detailed Forecast
Overnight
Partly cloudy, with a low around 49. South wind around 6 mph.
Friday
Mostly sunny, with a high near 83. West wind 5 to 13 mph.
Friday Night
Partly cloudy, with a low around 50. Northwest wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 77. Light and variable wind becoming south 5 to 8 mph in the morning.
Saturday Night
Clear, with a low around 59. South wind 5 to 9 mph.
Sunday
Mostly sunny, with a high near 86.
Sunday Night
A 20 percent chance of rain before 1am. Partly cloudy, with a low around 40.
Monday
Mostly sunny, with a high near 57.
Monday Night
Partly cloudy, with a low around 39.
Tuesday
Partly sunny, with a high near 60.
Tuesday Night
Mostly cloudy, with a low around 42.
Wednesday
Partly sunny, with a high near 65.
Wednesday Night
Partly cloudy, with a low around 50.
Thursday
A 20 percent chance of rain. Sunny, with a high near 76.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Marine IL
38.78°N 89.77°W (Elev. 512 ft)
38.78°N 89.77°W (Elev. 512 ft)
1:26 am CDT Mar 20, 2026
1am CDT Mar 20, 2026-6pm CDT Mar 26, 2026
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