Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

52°F

11°C

Humidity 47%
Wind Speed S 7 mph
Barometer 30.06 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 9 Feb 2:50 pm CST
Extended Forecast for

5 Miles E Carlinville IL

  • Tonight

    Tonight: Mostly clear, with a low around 40. South wind 7 to 11 mph, with gusts as high as 20 mph.

    Low: 40 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 55. Southwest wind 8 to 14 mph becoming north in the morning. Winds could gust as high as 21 mph.

    High: 55 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 27. North wind 6 to 8 mph.

    Low: 27 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46. Northwest wind 3 to 7 mph.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 28. Light and variable wind.

    Low: 28 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy, with a high near 43.

    High: 43 °F

    Cloudy

  • Thursday Night

    Thursday Night: A 30 percent chance of rain, mainly before midnight.  Mostly cloudy, with a low around 28.

    Low: 28 °F

    Chance Rain

  • Friday

    Friday: Partly sunny, with a high near 44.

    High: 44 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight.  Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy
    then Slight
    Chance Rain

Detailed Forecast

Tonight
Mostly clear, with a low around 40. South wind 7 to 11 mph, with gusts as high as 20 mph.
Tuesday
Sunny, with a high near 55. Southwest wind 8 to 14 mph becoming north in the morning. Winds could gust as high as 21 mph.
Tuesday Night
Mostly clear, with a low around 27. North wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 46. Northwest wind 3 to 7 mph.
Wednesday Night
Mostly cloudy, with a low around 28. Light and variable wind.
Thursday
Cloudy, with a high near 43.
Thursday Night
A 30 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 28.
Friday
Partly sunny, with a high near 44.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 31.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 45. Chance of precipitation is 60%.
Saturday Night
Rain. Low around 34. Chance of precipitation is 80%.
Sunday
A 50 percent chance of rain. Mostly sunny, with a high near 48.
Sunday Night
Partly cloudy, with a low around 30.
Washington's Birthday
Mostly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
1:41 pm CST Feb 9, 2026
3pm CST Feb 9, 2026-6pm CST Feb 16, 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