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

16°F

-9°C

Humidity 57%
Wind Speed Vrbl 5 mph
Barometer 30.40 in
Dewpoint 3°F (-16°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 27 Jan 7:50 pm CST
Extended Forecast for

Carlinville IL

Cold Weather Advisory January 28, 01:00am until January 28, 09:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly clear, with a low around -4. Wind chill values as low as -15. Light and variable wind becoming northwest around 6 mph in the evening.

    Low: -4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 24. Wind chill values as low as -15. West wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 24 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 3. West wind around 6 mph becoming calm after midnight.

    Low: 3 °F

    Mostly Cloudy

  • Thursday

    Thursday: Cloudy and cold, with a high near 17. Calm wind becoming north around 6 mph in the afternoon.

    High: 17 °F

    Cold

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 0. Calm wind becoming north around 6 mph after midnight.

    Low: 0 °F

    Mostly Cloudy

  • Friday

    Friday: Mostly sunny and cold, with a high near 14.

    High: 14 °F

    Cold

  • Friday Night

    Friday Night: Partly cloudy, with a low around -2.

    Low: -2 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny and cold, with a high near 17.

    High: 17 °F

    Cold

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 0.

    Low: 0 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around -4. Wind chill values as low as -15. Light and variable wind becoming northwest around 6 mph in the evening.
Wednesday
Mostly sunny, with a high near 24. Wind chill values as low as -15. West wind 6 to 13 mph, with gusts as high as 22 mph.
Wednesday Night
Mostly cloudy, with a low around 3. West wind around 6 mph becoming calm after midnight.
Thursday
Cloudy and cold, with a high near 17. Calm wind becoming north around 6 mph in the afternoon.
Thursday Night
Mostly cloudy, with a low around 0. Calm wind becoming north around 6 mph after midnight.
Friday
Mostly sunny and cold, with a high near 14.
Friday Night
Partly cloudy, with a low around -2.
Saturday
Mostly sunny and cold, with a high near 17.
Saturday Night
Partly cloudy, with a low around 0.
Sunday
A 20 percent chance of snow after noon. Partly sunny, with a high near 23.
Sunday Night
A 30 percent chance of snow. Mostly cloudy, with a low around 12.
Monday
Partly sunny, with a high near 29.
Monday Night
Mostly cloudy, with a low around 12.
Tuesday
Partly sunny, with a high near 30.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Carlinville IL
 39.27°N 89.89°W (Elev. 614 ft)
Last Update:
7:46 pm CST Jan 27, 2026
Forecast Valid:
8pm CST Jan 27, 2026-6pm CST Feb 3, 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