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Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
20°F
-7°C
| Humidity | 59% |
| Wind Speed | NW 8 mph |
| Barometer | 30.11 in |
| Dewpoint | 8°F (-13°C) |
| Visibility | 10.00 mi |
| Wind Chill | 10°F (-12°C) |
| Last update | 15 Jan 3:35 am CST |
Extended Forecast for
6 Miles SE Carlinville IL
Overnight

Low: 15 °F
Clear
Thursday

High: 31 °F
Sunny
Thursday Night
Low: 26 °F
Snow then
Chance SnowFriday

High: 41 °F
Partly Sunny
Friday Night

Low: 18 °F
Scattered
Snow ShowersSaturday

High: 22 °F
Partly Sunny
Saturday Night

Low: 8 °F
Partly Cloudy
Sunday

High: 23 °F
Mostly Sunny
Sunday Night

Low: 11 °F
Partly Cloudy
Detailed Forecast
Overnight
Clear, with a low around 15. Northwest wind 9 to 11 mph.
Thursday
Sunny, with a high near 31. Northwest wind 7 to 9 mph becoming south in the afternoon.
Thursday Night
Snow before 2am, then scattered flurries after 5am. Low around 26. South wind 8 to 13 mph becoming west after midnight. Winds could gust as high as 21 mph. Chance of precipitation is 80%. New snow accumulation of less than a half inch possible.
Friday
Partly sunny, with a high near 41. West wind 11 to 17 mph, with gusts as high as 25 mph.
Friday Night
Scattered snow showers. Mostly cloudy, with a low around 18. West wind 10 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 22.
Saturday Night
Partly cloudy, with a low around 8.
Sunday
Mostly sunny, with a high near 23.
Sunday Night
Partly cloudy, with a low around 11.
M.L.King Day
Mostly sunny, with a high near 21.
Monday Night
Mostly clear, with a low around 6.
Tuesday
Sunny, with a high near 26.
Tuesday Night
Partly cloudy, with a low around 16.
Wednesday
Mostly sunny, with a high near 39.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
6 Miles SE Carlinville IL
39.23°N 89.8°W (Elev. 650 ft)
39.23°N 89.8°W (Elev. 650 ft)
3:16 am CST Jan 15, 2026
3am CST Jan 15, 2026-6pm CST Jan 21, 2026


