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.

A Few Clouds and Breezy

79°F

26°C

Humidity 58%
Wind Speed S 21 G 29 mph
Barometer 29.92 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Heat Index81°F (27°C)
Last update 3 Apr 5:50 pm CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.

    Low: 57 °F

    Chance
    T-storms then
    T-storms

  • Saturday

    Saturday: Showers likely, mainly before 10am. Cloudy, with a temperature falling to around 52 by 1pm. West wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.

    High: 59 °F⇓

    Showers
    Likely then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 36. West wind 10 to 16 mph, with gusts as high as 26 mph.

    Low: 36 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 55. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.

    High: 55 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 37. West wind 5 to 7 mph.

    Low: 37 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 57.

    High: 57 °F

    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 32.

    Low: 32 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 51.

    High: 51 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 1am. Low around 57. South wind 13 to 17 mph, with gusts as high as 28 mph. Chance of precipitation is 90%.
Saturday
Showers likely, mainly before 10am. Cloudy, with a temperature falling to around 52 by 1pm. West wind 11 to 18 mph, with gusts as high as 25 mph. Chance of precipitation is 70%.
Saturday Night
Mostly clear, with a low around 36. West wind 10 to 16 mph, with gusts as high as 26 mph.
Sunday
Sunny, with a high near 55. Northwest wind 10 to 14 mph, with gusts as high as 22 mph.
Sunday Night
Clear, with a low around 37. West wind 5 to 7 mph.
Monday
Sunny, with a high near 57.
Monday Night
Mostly cloudy, with a low around 32.
Tuesday
Partly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 72.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 53.
Friday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
Last Update:
5:36 pm CDT Apr 3, 2026
Forecast Valid:
6pm CDT Apr 3, 2026-6pm CDT Apr 10, 2026
 
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