National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

32°F

0°C

Humidity 47%
Wind Speed S 20 G 28 mph
Barometer 29.91 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill20°F (-7°C)
Last update 24 Feb 9:50 am CST
Extended Forecast for

5 Miles E Carlinville IL

  • Today

    Today: Mostly cloudy, with a high near 51. Breezy, with a south wind 15 to 23 mph, with gusts as high as 36 mph.

    High: 51 °F

    Mostly Cloudy
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 30. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.

    Low: 30 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 48. Northwest wind 3 to 6 mph.

    High: 48 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain before midnight, then a chance of snow between midnight and 3am, then a chance of rain after 3am. Mostly cloudy, with a low around 31. Calm wind becoming northeast 5 to 7 mph in the evening. Chance of precipitation is 50%.

    Low: 31 °F

    Chance Rain
    then Chance
    Rain/Snow

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 48. East wind 5 to 7 mph becoming west in the afternoon.

    High: 48 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 51. Breezy, with a south wind 15 to 23 mph, with gusts as high as 36 mph.
Tonight
Mostly cloudy, with a low around 30. Southwest wind 8 to 13 mph becoming light and variable after midnight. Winds could gust as high as 20 mph.
Wednesday
Partly sunny, with a high near 48. Northwest wind 3 to 6 mph.
Wednesday Night
A chance of rain before midnight, then a chance of snow between midnight and 3am, then a chance of rain after 3am. Mostly cloudy, with a low around 31. Calm wind becoming northeast 5 to 7 mph in the evening. Chance of precipitation is 50%.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 48. East wind 5 to 7 mph becoming west in the afternoon.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 36.
Saturday
Mostly sunny, with a high near 61.
Saturday Night
Partly cloudy, with a low around 26.
Sunday
A chance of rain and snow. Partly sunny, with a high near 42. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 28. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
Last Update:
9:21 am CST Feb 24, 2026
Forecast Valid:
9am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation