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

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Partly Cloudy

27°F

-3°C

Humidity 59%
Wind Speed SE 12 mph
Barometer 30.22 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill16°F (-9°C)
Last update 8 Feb 6:45 am CST
Extended Forecast for

5 Miles E Carlinville IL

  • Today

    Today: Mostly sunny, with a high near 39. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.

    High: 39 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 26. East wind 5 to 9 mph becoming light after midnight.

    Low: 26 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 48. Light and variable wind becoming south 5 to 7 mph in the afternoon.

    High: 48 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 36. South wind 7 to 9 mph becoming west after midnight.

    Low: 36 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 53. West wind 7 to 9 mph becoming north in the afternoon.

    High: 53 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain. Mostly cloudy, with a low around 30.

    Low: 30 °F

    Slight Chance
    Rain

  • Wednesday

    Wednesday: Partly sunny, with a high near 47.

    High: 47 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Thursday

    Thursday: A slight chance of rain and snow before noon, then a chance of rain. Cloudy, with a high near 44. Chance of precipitation is 30%.

    High: 44 °F

    Slight Chance
    Rain/Snow
    then Chance
    Rain

Detailed Forecast

Today
Mostly sunny, with a high near 39. Southeast wind 10 to 15 mph, with gusts as high as 23 mph.
Tonight
Mostly cloudy, with a low around 26. East wind 5 to 9 mph becoming light after midnight.
Monday
Mostly sunny, with a high near 48. Light and variable wind becoming south 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 36. South wind 7 to 9 mph becoming west after midnight.
Tuesday
Sunny, with a high near 53. West wind 7 to 9 mph becoming north in the afternoon.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 30.
Wednesday
Partly sunny, with a high near 47.
Wednesday Night
Mostly cloudy, with a low around 30.
Thursday
A slight chance of rain and snow before noon, then a chance of rain. Cloudy, with a high near 44. Chance of precipitation is 30%.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 27.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 45. Chance of precipitation is 20%.
Friday Night
A 30 percent chance of rain. Partly cloudy, with a low around 28.
Saturday
A 40 percent chance of rain. Mostly sunny, with a high near 45.
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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:
5:21 am CST Feb 8, 2026
Forecast Valid:
7am CST Feb 8, 2026-6pm CST Feb 14, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation