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.

Light Rain Fog/Mist and Breezy

36°F

2°C

Humidity 87%
Wind Speed W 23 mph
Barometer 29.99 in
Dewpoint 32°F (0°C)
Visibility 7.00 mi
Wind Chill24°F (-4°C)
Last update 29 Nov 9:45 pm CST
Extended Forecast for

3 Miles SSE Carlinville IL

  • Tonight

    Tonight: A 20 percent chance of rain before midnight. Cloudy, with a low around 20. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph.

    Low: 20 °F

    Breezy.
    Slight Chance
    Rain then
    Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 26. West wind 10 to 18 mph, with gusts as high as 29 mph.

    High: 26 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 16. Northwest wind 5 to 8 mph becoming calm in the evening.

    Low: 16 °F

    Mostly Cloudy

  • Monday

    Monday: A 50 percent chance of snow after noon. Cloudy, with a high near 28. Calm wind.

    High: 28 °F

    Cloudy then
    Chance Snow

  • Monday Night

    Monday Night: Snow likely, mainly before midnight. Mostly cloudy, with a low around 17. Calm wind. Chance of precipitation is 70%. New snow accumulation of around an inch possible.

    Low: 17 °F

    Snow Likely
    then Chance
    Snow

  • Tuesday

    Tuesday: Partly sunny, with a high near 27.

    High: 27 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 13.

    Low: 13 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 12.

    Low: 12 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 20 percent chance of rain before midnight. Cloudy, with a low around 20. Breezy, with a west wind 20 to 22 mph, with gusts as high as 36 mph.
Sunday
Mostly cloudy, with a high near 26. West wind 10 to 18 mph, with gusts as high as 29 mph.
Sunday Night
Mostly cloudy, with a low around 16. Northwest wind 5 to 8 mph becoming calm in the evening.
Monday
A 50 percent chance of snow after noon. Cloudy, with a high near 28. Calm wind.
Monday Night
Snow likely, mainly before midnight. Mostly cloudy, with a low around 17. Calm wind. Chance of precipitation is 70%. New snow accumulation of around an inch possible.
Tuesday
Partly sunny, with a high near 27.
Tuesday Night
Partly cloudy, with a low around 13.
Wednesday
Mostly sunny, with a high near 34.
Wednesday Night
Mostly cloudy, with a low around 12.
Thursday
Partly sunny, with a high near 24.
Thursday Night
Mostly cloudy, with a low around 11.
Friday
A slight chance of rain and snow. Partly sunny, with a high near 32. Chance of precipitation is 20%.
Friday Night
Mostly cloudy, with a low around 19.
Saturday
Partly sunny, with a high near 36.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Carlinville IL
 39.25°N 89.86°W (Elev. 551 ft)
Last Update:
9:41 pm CST Nov 29, 2025
Forecast Valid:
10pm CST Nov 29, 2025-6pm CST Dec 6, 2025
 
Forecast Discussion
 
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Additional Resources

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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