Current conditions at
St. Louis Regional Airport (KALN)
Lat: 38.89°NLon: 90.03°WElev: 518ft.
Fair
48°F
9°C
| Humidity | 65% |
| Wind Speed | SE 3 mph |
| Barometer | 30.06 in |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Mar 11:35 pm CDT |
Extended Forecast for
5 Miles E Carlinville IL
Tonight

Low: 40 °F
Mostly Cloudy
Thursday

High: 71 °F
Becoming
SunnyThursday Night

Low: 47 °F
Mostly Clear
Friday

High: 78 °F
Sunny
Friday Night

Low: 48 °F
Mostly Cloudy
Saturday

High: 76 °F
Sunny
Saturday Night

Low: 55 °F
Mostly Clear
Sunday

High: 76 °F
Mostly Sunny
Sunday Night

Low: 34 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly cloudy, with a low around 40. Calm wind.
Thursday
Partly sunny, then gradually becoming sunny, with a high near 71. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 47. Calm wind becoming south around 6 mph after midnight.
Friday
Sunny, with a high near 78. Southwest wind 6 to 11 mph.
Friday Night
Mostly cloudy, with a low around 48. Northwest wind around 6 mph.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
Sunday Night
Mostly cloudy, with a low around 34.
Monday
Partly sunny, with a high near 51.
Monday Night
Partly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 56.
Tuesday Night
Mostly cloudy, with a low around 39.
Wednesday
Partly sunny, with a high near 65.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
5 Miles E Carlinville IL
39.27°N 89.8°W (Elev. 650 ft)
39.27°N 89.8°W (Elev. 650 ft)
10:21 pm CDT Mar 18, 2026
11pm CDT Mar 18, 2026-6pm CDT Mar 25, 2026


