Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

70°F

21°C

Humidity 94%
Wind Speed NW 5 mph
Barometer 30.05 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 20 Aug 6:50 am CDT
Extended Forecast for

Carlinville IL

  • Today

    Today: Patchy fog before 8am.  Otherwise, mostly sunny, with a high near 84. Northeast wind 5 to 9 mph.

    High: 84 °F

    Patchy Fog
    then Mostly
    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 62. Northeast wind around 7 mph.

    Low: 62 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 82. Northeast wind 6 to 8 mph.

    High: 82 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 61. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 61 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 84. Calm wind becoming north around 5 mph.

    High: 84 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 84. Northeast wind 5 to 9 mph.
Tonight
Mostly clear, with a low around 62. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 82. Northeast wind 6 to 8 mph.
Thursday Night
Mostly clear, with a low around 61. Northeast wind around 6 mph becoming calm in the evening.
Friday
Sunny, with a high near 84. Calm wind becoming north around 5 mph.
Friday Night
Partly cloudy, with a low around 64.
Saturday
Mostly sunny, with a high near 85.
Saturday Night
Mostly clear, with a low around 58.
Sunday
Sunny, with a high near 77.
Sunday Night
Mostly clear, with a low around 53.
Monday
Sunny, with a high near 74.
Monday Night
Partly cloudy, with a low around 51.
Tuesday
Mostly sunny, with a high near 73.
Basemap Options
Click map to change the forecast location
Loading map...

ABOUT THIS FORECAST

 
Point Forecast:
Carlinville IL
 39.3°N 89.89°W (Elev. 623 ft)
5:36 am CDT Aug 20, 2025
7am CDT Aug 20, 2025-6pm CDT Aug 26, 2025
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database