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.

Partly Cloudy

21°F

-6°C

Humidity 86%
Wind Speed E 3 mph
Barometer 30.43 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 1 Dec 6:50 am CST
Extended Forecast for

3 Miles SSE Carlinville IL

  • Today

    Today: Snow, mainly after 3pm. High near 28. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.

    High: 28 °F

    Mostly Cloudy
    then Snow

  • Tonight

    Tonight: Snow, mainly before 11pm. Low around 15. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.

    Low: 15 °F

    Snow then
    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 27. Northwest wind around 6 mph becoming south in the afternoon.

    High: 27 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 16. Calm wind becoming south around 6 mph in the evening.

    Low: 16 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 35. South wind 5 to 8 mph becoming west in the afternoon.

    High: 35 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 8.

    Low: 8 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny and cold, with a high near 18.

    High: 18 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 4.

    Low: 4 °F

    Mostly Cloudy

  • Friday

    Friday: A 30 percent chance of snow. Mostly cloudy, with a high near 31.

    High: 31 °F

    Chance Snow

Detailed Forecast

Today
Snow, mainly after 3pm. High near 28. Calm wind becoming southeast around 5 mph. Chance of precipitation is 80%. Total daytime snow accumulation of less than a half inch possible.
Tonight
Snow, mainly before 11pm. Low around 15. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
Tuesday
Mostly cloudy, with a high near 27. Northwest wind around 6 mph becoming south in the afternoon.
Tuesday Night
Partly cloudy, with a low around 16. Calm wind becoming south around 6 mph in the evening.
Wednesday
Mostly cloudy, with a high near 35. South wind 5 to 8 mph becoming west in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 8.
Thursday
Mostly sunny and cold, with a high near 18.
Thursday Night
Mostly cloudy, with a low around 4.
Friday
A 30 percent chance of snow. Mostly cloudy, with a high near 31.
Friday Night
A 20 percent chance of snow before midnight. Mostly cloudy, with a low around 21.
Saturday
Mostly cloudy, with a high near 34.
Saturday Night
Mostly cloudy, with a low around 21.
Sunday
Mostly cloudy, with a high near 32.
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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:
4:36 am CST Dec 1, 2025
Forecast Valid:
7am CST Dec 1, 2025-6pm CST Dec 7, 2025
 
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