Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

31°F

-1°C

Humidity 79%
Wind Speed NW 5 mph
Barometer 30.28 in
Dewpoint 26°F (-3°C)
Visibility 10.00 mi
Wind Chill26°F (-3°C)
Last update 11 Feb 5:55 am CST
Extended Forecast for

5 Miles E Carlinville IL

  • Today

    Today: Sunny, with a high near 48. North wind 3 to 7 mph.

    High: 48 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 29. Calm wind.

    Low: 29 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 47. Calm wind becoming south around 6 mph in the afternoon.

    High: 47 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 30. Southeast wind 3 to 5 mph.

    Low: 30 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 52. South wind 3 to 6 mph.

    High: 52 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of rain after noon.  Partly sunny, with a high near 52.

    High: 52 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain.  Partly cloudy, with a low around 37.

    Low: 37 °F

    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before noon.  Mostly sunny, with a high near 54.

    High: 54 °F

    Slight Chance
    Rain then
    Sunny

Detailed Forecast

Today
Sunny, with a high near 48. North wind 3 to 7 mph.
Tonight
Increasing clouds, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 47. Calm wind becoming south around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 30. Southeast wind 3 to 5 mph.
Friday
Mostly sunny, with a high near 52. South wind 3 to 6 mph.
Friday Night
Mostly cloudy, with a low around 33.
Saturday
A 20 percent chance of rain after noon. Partly sunny, with a high near 52.
Saturday Night
A 40 percent chance of rain. Partly cloudy, with a low around 37.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 54.
Sunday Night
Mostly clear, with a low around 33.
Washington's Birthday
Partly sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 62.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
4:12 am CST Feb 11, 2026
6am CST Feb 11, 2026-6pm CST Feb 17, 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