Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

47°F

8°C

Humidity 74%
Wind Speed SW 9 mph
Barometer 29.56 in
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 10 Dec 3:35 am CST
Extended Forecast for

3 Miles SSE Carlinville IL

Wind Advisory until December 10, 12:00pm
Click here for hazard details and duration
Wind Advisory
  •  
    Wind Advisory until December 10, 12:00pm

    NOW until 12:00pm Wed

    Wind Advisory

  • Overnight

    Low: 41 °F

    Chance Rain
    and Breezy

  • Wednesday

    Wednesday: A chance of sprinkles before 10am.  Cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 14 to 24 mph, with gusts as high as 46 mph.

    High: 38 °F

    Chance
    Sprinkles and
    Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 22. Northwest wind 5 to 10 mph becoming light  after midnight.

    Low: 22 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 20 percent chance of snow after noon.  Mostly cloudy, with a high near 34. Light and variable wind becoming south around 6 mph in the afternoon.

    High: 34 °F

    Partly Sunny
    then Slight
    Chance Snow

  • Thursday Night

    Thursday Night: A chance of snow, mixing with rain after 9pm, then gradually ending.  Mostly cloudy, with a low around 27. Southeast wind around 7 mph becoming west after midnight.  Chance of precipitation is 40%.

    Low: 27 °F

    Chance
    Rain/Snow
    then Mostly
    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 35.

    High: 35 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 16.

    Low: 16 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of snow after noon.  Mostly cloudy, with a high near 25.

    High: 25 °F

    Mostly Cloudy
    then Slight
    Chance Snow

Detailed Forecast

Overnight
A chance of rain before 4am, then a chance of sprinkles with a slight chance of rain between 4am and 5am, then a slight chance of rain after 5am. Cloudy, with a steady temperature around 41. Breezy, with a west wind 17 to 20 mph, with gusts as high as 31 mph. Chance of precipitation is 50%.
Wednesday
A chance of sprinkles before 10am. Cloudy, with a temperature falling to around 32 by 5pm. Breezy, with a northwest wind 14 to 24 mph, with gusts as high as 46 mph.
Wednesday Night
Mostly cloudy, with a low around 22. Northwest wind 5 to 10 mph becoming light after midnight.
Thursday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 34. Light and variable wind becoming south around 6 mph in the afternoon.
Thursday Night
A chance of snow, mixing with rain after 9pm, then gradually ending. Mostly cloudy, with a low around 27. Southeast wind around 7 mph becoming west after midnight. Chance of precipitation is 40%.
Friday
Mostly cloudy, with a high near 35.
Friday Night
Mostly cloudy, with a low around 16.
Saturday
A 20 percent chance of snow after noon. Mostly cloudy, with a high near 25.
Saturday Night
Mostly cloudy, with a low around 2.
Sunday
Sunny and cold, with a high near 17.
Sunday Night
Mostly clear, with a low around 6.
Monday
Mostly sunny, with a high near 33.
Monday Night
Mostly cloudy, with a low around 23.
Tuesday
Partly sunny, with a high near 41.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Carlinville IL
 39.25°N 89.86°W (Elev. 551 ft)
3:16 am CST Dec 10, 2025
3am CST Dec 10, 2025-6pm CST Dec 16, 2025
 
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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