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

58°F

14°C

Humidity 55%
Wind Speed S 9 mph
Barometer 30.16 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Last update 9 Apr 4:55 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Today

    Today: Sunny, with a high near 78. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.

    High: 78 °F

    Sunny

  • Tonight

    Tonight: A 20 percent chance of showers after 4am. Partly cloudy, with a low around 56. South wind 10 to 13 mph, with gusts as high as 21 mph.

    Low: 56 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Friday

    Friday: Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 65. Southwest wind around 10 mph becoming north in the afternoon. Chance of precipitation is 60%.

    High: 65 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 46. East wind around 7 mph.

    Low: 46 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers. Mostly cloudy, with a high near 70. East wind around 9 mph.

    High: 70 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Breezy.

    High: 77 °F

    Mostly Cloudy
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.

    Low: 62 °F

    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. Breezy.

    High: 82 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
Sunny, with a high near 78. Southwest wind 10 to 16 mph, with gusts as high as 25 mph.
Tonight
A 20 percent chance of showers after 4am. Partly cloudy, with a low around 56. South wind 10 to 13 mph, with gusts as high as 21 mph.
Friday
Showers likely before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers likely after 4pm. Mostly cloudy, with a high near 65. Southwest wind around 10 mph becoming north in the afternoon. Chance of precipitation is 60%.
Friday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 46. East wind around 7 mph.
Saturday
A 30 percent chance of showers. Mostly cloudy, with a high near 70. East wind around 9 mph.
Saturday Night
Mostly cloudy, with a low around 57.
Sunday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 77. Breezy.
Sunday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms, mainly before 1pm. Mostly cloudy, with a high near 82. Breezy.
Monday Night
A 40 percent chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 65.
Tuesday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 80. Breezy. Chance of precipitation is 70%.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 58. Chance of precipitation is 70%.
Wednesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 73.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
5 Miles E Carlinville IL
 39.27°N 89.8°W (Elev. 650 ft)
Last Update:
4:41 am CDT Apr 9, 2026
Forecast Valid:
5am CDT Apr 9, 2026-6pm CDT Apr 15, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation