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

30°F

-1°C

Humidity 55%
Wind Speed NW 7 mph
Barometer 30.40 in
Dewpoint 16°F (-9°C)
Visibility 10.00 mi
Wind Chill23°F (-5°C)
Last update 4 Feb 3:45 pm CST
Extended Forecast for

5 Miles E Carlinville IL

  • Tonight

    Tonight: Partly cloudy, with a low around 10. North wind around 5 mph becoming calm in the evening.

    Low: 10 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 34. Light south wind increasing to 6 to 11 mph in the morning.

    High: 34 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 24. South wind 5 to 10 mph becoming west after midnight.

    Low: 24 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 44. Breezy, with a west wind 13 to 20 mph becoming northwest in the afternoon.

    High: 44 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 20. North wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 20 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 33.

    High: 33 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 23.

    Low: 23 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 49.

    High: 49 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 27.

    Low: 27 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 10. North wind around 5 mph becoming calm in the evening.
Thursday
Mostly cloudy, with a high near 34. Light south wind increasing to 6 to 11 mph in the morning.
Thursday Night
Partly cloudy, with a low around 24. South wind 5 to 10 mph becoming west after midnight.
Friday
Mostly sunny, with a high near 44. Breezy, with a west wind 13 to 20 mph becoming northwest in the afternoon.
Friday Night
Partly cloudy, with a low around 20. North wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday
Mostly sunny, with a high near 33.
Saturday Night
Mostly cloudy, with a low around 23.
Sunday
Mostly sunny, with a high near 49.
Sunday Night
Mostly clear, with a low around 27.
Monday
Sunny, with a high near 53.
Monday Night
Mostly clear, with a low around 36.
Tuesday
A 20 percent chance of rain. Partly sunny, with a high near 57.
Tuesday Night
A 30 percent chance of rain. Partly cloudy, with a low around 37.
Wednesday
A 20 percent chance of rain. Mostly sunny, with a high near 52.
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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:
2:37 pm CST Feb 4, 2026
Forecast Valid:
4pm CST Feb 4, 2026-6pm CST Feb 11, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation