Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

59°F

15°C

Humidity 36%
Wind Speed W 15 G 23 mph
Barometer 30.24 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 19 Apr 11:45 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • This Afternoon

    This Afternoon: Increasing clouds, with a high near 62. West wind 16 to 18 mph, with gusts as high as 26 mph.

    High: 62 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Partly cloudy, with a low around 35. North wind 5 to 10 mph becoming light and variable  after midnight.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 63. Light and variable wind becoming south 5 to 7 mph in the morning.

    High: 63 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 47. Southeast wind 7 to 10 mph.

    Low: 47 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 77. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.

    High: 77 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 54.

    Low: 54 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 77.

    High: 77 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 81. Breezy.

    High: 81 °F

    Sunny then
    Mostly Sunny
    and Breezy

Detailed Forecast

This Afternoon
Increasing clouds, with a high near 62. West wind 16 to 18 mph, with gusts as high as 26 mph.
Tonight
Partly cloudy, with a low around 35. North wind 5 to 10 mph becoming light and variable after midnight.
Monday
Sunny, with a high near 63. Light and variable wind becoming south 5 to 7 mph in the morning.
Monday Night
Mostly clear, with a low around 47. Southeast wind 7 to 10 mph.
Tuesday
Mostly sunny, with a high near 77. Southwest wind 10 to 17 mph, with gusts as high as 25 mph.
Tuesday Night
Mostly clear, with a low around 54.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 57.
Thursday
Sunny, with a high near 81. Breezy.
Thursday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 60%.
Friday
Showers and possibly a thunderstorm. High near 72. Chance of precipitation is 80%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 47.
Saturday
A 20 percent chance of showers. Mostly sunny, with a high near 67.
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
11:51 am CDT Apr 19, 2026
12pm CDT Apr 19, 2026-6pm CDT Apr 25, 2026
 
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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