Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

39°F

4°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 30.06 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 19 Mar 6:50 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Today

    Today: Sunny, with a high near 72. South wind 3 to 7 mph.

    High: 72 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 47. South wind 3 to 6 mph.

    Low: 47 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 78. Southwest wind 6 to 13 mph becoming northwest in the afternoon.

    High: 78 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 48. West wind around 6 mph becoming light and variable  after midnight.

    Low: 48 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 77. Light and variable wind becoming southwest around 6 mph in the morning.

    High: 77 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 56.

    Low: 56 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 82.

    High: 82 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 37.

    Low: 37 °F

    Mostly Cloudy

  • Monday

    Monday: Sunny, with a high near 52.

    High: 52 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 72. South wind 3 to 7 mph.
Tonight
Mostly clear, with a low around 47. South wind 3 to 6 mph.
Friday
Sunny, with a high near 78. Southwest wind 6 to 13 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 48. West wind around 6 mph becoming light and variable after midnight.
Saturday
Sunny, with a high near 77. Light and variable wind becoming southwest around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Mostly sunny, with a high near 82.
Sunday Night
Mostly cloudy, with a low around 37.
Monday
Sunny, with a high near 52.
Monday Night
Partly cloudy, with a low around 33.
Tuesday
Mostly cloudy, with a high near 57.
Tuesday Night
Mostly cloudy, with a low around 37.
Wednesday
Mostly sunny, with a high near 66.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
5:41 am CDT Mar 19, 2026
7am CDT Mar 19, 2026-6pm CDT Mar 25, 2026
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database