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

27°F

-3°C

Humidity 59%
Wind Speed S 18 G 25 mph
Barometer 30.03 in
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill14°F (-10°C)
Last update 24 Feb 7:50 am CST
Extended Forecast for

5 Miles W Carlinville IL

  • Today

    Today: Cloudy, with a high near 54. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.

    High: 54 °F

    Cloudy and
    Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 29. Southwest wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph.

    Low: 29 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 49. Northwest wind around 6 mph becoming northeast in the afternoon.

    High: 49 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Rain likely before midnight, then rain and snow likely. Mostly cloudy, with a low around 32. East wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.

    Low: 32 °F

    Rain Likely
    then
    Rain/Snow
    Likely

  • Thursday

    Thursday: A 20 percent chance of rain before noon. Partly sunny, with a high near 47. East wind 6 to 10 mph becoming north in the afternoon.

    High: 47 °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 62.

    High: 62 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Saturday

    Saturday: Mostly sunny, with a high near 61.

    High: 61 °F

    Mostly Sunny

Detailed Forecast

Today
Cloudy, with a high near 54. Breezy, with a south wind 16 to 23 mph, with gusts as high as 34 mph.
Tonight
Mostly cloudy, with a low around 29. Southwest wind 5 to 14 mph becoming northwest after midnight. Winds could gust as high as 22 mph.
Wednesday
Mostly sunny, with a high near 49. Northwest wind around 6 mph becoming northeast in the afternoon.
Wednesday Night
Rain likely before midnight, then rain and snow likely. Mostly cloudy, with a low around 32. East wind 5 to 10 mph. Chance of precipitation is 70%. New snow accumulation of less than a half inch possible.
Thursday
A 20 percent chance of rain before noon. Partly sunny, with a high near 47. East wind 6 to 10 mph becoming north in the afternoon.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 62.
Friday Night
Mostly clear, with a low around 35.
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 41. Chance of precipitation is 30%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 27. Chance of precipitation is 40%.
Monday
A chance of rain and snow. Partly sunny, with a high near 44. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Carlinville IL
 39.3°N 89.97°W (Elev. 623 ft)
Last Update:
6:46 am CST Feb 24, 2026
Forecast Valid:
8am CST Feb 24, 2026-6pm CST Mar 2, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation