Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

43°F

6°C

Humidity 49%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Last update 11 Feb 5:50 pm CST
Extended Forecast for

5 Miles E Carlinville IL

  • Tonight

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

    Low: 29 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly cloudy, with a high near 49. Calm wind becoming south around 6 mph.

    High: 49 °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: Sunny, with a high near 54. South wind 5 to 9 mph.

    High: 54 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. South wind 3 to 5 mph.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: A 40 percent chance of rain, mainly after noon.  Mostly cloudy, with a high near 52.

    High: 52 °F

    Chance Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain.  Mostly cloudy, with a low around 38.

    Low: 38 °F

    Chance Rain

  • Sunday

    Sunday: A 20 percent chance of rain before noon.  Mostly sunny, with a high near 55.

    High: 55 °F

    Slight Chance
    Rain then
    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 33.

    Low: 33 °F

    Mostly Clear

Detailed Forecast

Tonight
Increasing clouds, with a low around 29. Calm wind.
Thursday
Mostly cloudy, with a high near 49. Calm wind becoming south around 6 mph.
Thursday Night
Mostly cloudy, with a low around 30. Southeast wind 3 to 5 mph.
Friday
Sunny, with a high near 54. South wind 5 to 9 mph.
Friday Night
Partly cloudy, with a low around 33. South wind 3 to 5 mph.
Saturday
A 40 percent chance of rain, mainly after noon. Mostly cloudy, with a high near 52.
Saturday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain before noon. Mostly sunny, with a high near 55.
Sunday Night
Mostly clear, with a low around 33.
Washington's Birthday
Mostly sunny, with a high near 58.
Monday Night
Mostly cloudy, with a low around 41.
Tuesday
Mostly cloudy, with a high near 61.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 49.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 65.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
4:16 pm CST Feb 11, 2026
6pm CST Feb 11, 2026-6pm CST Feb 18, 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