Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
73°F
23°C
| Humidity | 93% |
| Wind Speed | W 3 mph |
| Barometer | 30.03 in |
| Dewpoint | 71°F (22°C) |
| Visibility | 10.00 mi |
| Last update | 15 Aug 1:55 am CDT |
Extended Forecast for
5 Miles SSW Carlinville IL
Overnight
Low: 69 °F
Mostly Clear
Friday
High: 90 °F
Sunny
Friday Night
Low: 72 °F
Mostly Clear
Saturday
High: 94 °F
Sunny
Saturday Night
Low: 73 °F
Clear
Sunday
High: 95 °F
Sunny
Sunday Night
Low: 73 °F
Mostly Clear
Monday
High: 95 °F
Sunny
Monday Night
Low: 74 °F
Mostly Clear
then Slight
Chance
Showers
Detailed Forecast
Overnight
Mostly clear, with a low around 69. Southeast wind around 6 mph.
Friday
Sunny, with a high near 90. South wind 6 to 8 mph.
Friday Night
Mostly clear, with a low around 72. Southeast wind 3 to 7 mph.
Saturday
Sunny, with a high near 94. Heat index values as high as 101. South wind 3 to 5 mph.
Saturday Night
Clear, with a low around 73. Light southeast wind.
Sunday
Sunny, with a high near 95.
Sunday Night
Mostly clear, with a low around 73.
Monday
Sunny, with a high near 95.
Monday Night
A 20 percent chance of showers after 1am. Mostly clear, with a low around 74.
Tuesday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 93. Chance of precipitation is 20%.
Tuesday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86.
Wednesday Night
Mostly clear, with a low around 67.
Thursday
Mostly sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
5 Miles SSW Carlinville IL
39.21°N 89.89°W (Elev. 610 ft)
39.21°N 89.89°W (Elev. 610 ft)
11:11 pm CDT Aug 14, 2025
2am CDT Aug 15, 2025-6pm CDT Aug 21, 2025
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