Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

27°F

-3°C

Humidity 70%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 9 Feb 2:55 am CST
Extended Forecast for

5 Miles E Carlinville IL

  • Overnight

    Overnight: Clear, with a low around 24. East wind 5 to 7 mph.

    Low: 24 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 49. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 49 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 36. South wind 6 to 9 mph becoming west after midnight.

    Low: 36 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 53. Northwest wind 7 to 10 mph.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 27. North wind around 7 mph.

    Low: 27 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 46.

    High: 46 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 29.

    Low: 29 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of rain after noon.  Cloudy, with a high near 42.

    High: 42 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Thursday Night

    Thursday Night: A chance of rain and snow.  Cloudy, with a low around 28. Chance of precipitation is 40%.

    Low: 28 °F

    Chance
    Rain/Snow

Detailed Forecast

Overnight
Clear, with a low around 24. East wind 5 to 7 mph.
Monday
Sunny, with a high near 49. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Partly cloudy, with a low around 36. South wind 6 to 9 mph becoming west after midnight.
Tuesday
Sunny, with a high near 53. Northwest wind 7 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 27. North wind around 7 mph.
Wednesday
Mostly sunny, with a high near 46.
Wednesday Night
Mostly cloudy, with a low around 29.
Thursday
A 20 percent chance of rain after noon. Cloudy, with a high near 42.
Thursday Night
A chance of rain and snow. Cloudy, with a low around 28. Chance of precipitation is 40%.
Friday
A 20 percent chance of rain. Mostly cloudy, with a high near 41.
Friday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 28.
Saturday
A 40 percent chance of rain. Mostly cloudy, with a high near 43.
Saturday Night
A 30 percent chance of rain. Mostly cloudy, with a low around 30.
Sunday
A 20 percent chance of rain. Sunny, with a high near 44.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
2:57 am CST Feb 9, 2026
3am CST Feb 9, 2026-6pm CST Feb 15, 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