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.

Overcast

75°F

24°C

Humidity 69%
Wind Speed SW 13 mph
Barometer 29.91 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 14 Apr 9:50 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Today

    Today: Partly sunny, with a high near 85. South wind 13 to 17 mph, with gusts as high as 24 mph.

    High: 85 °F

    Partly Sunny

  • Tonight

    Tonight: A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 66. South wind 11 to 15 mph, with gusts as high as 23 mph.

    Low: 66 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: Showers likely, then showers and possibly a thunderstorm after 10am. High near 79. Southwest wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.

    High: 79 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers and possibly a thunderstorm. Low around 60. Southwest wind around 10 mph. Chance of precipitation is 80%.

    Low: 60 °F

    Showers

  • Thursday

    Thursday: Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Southwest wind 9 to 11 mph. Chance of precipitation is 70%.

    High: 76 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A chance of thunderstorms before 7pm. Mostly clear, with a low around 55. Chance of precipitation is 30%.

    Low: 55 °F

    Chance
    T-storms then
    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 80%.

    Low: 55 °F

    Chance
    T-storms then
    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 68. Chance of precipitation is 50%.

    High: 68 °F

    Chance
    Showers

Detailed Forecast

Today
Partly sunny, with a high near 85. South wind 13 to 17 mph, with gusts as high as 24 mph.
Tonight
A 30 percent chance of showers and thunderstorms, mainly after 3am. Partly cloudy, with a low around 66. South wind 11 to 15 mph, with gusts as high as 23 mph.
Wednesday
Showers likely, then showers and possibly a thunderstorm after 10am. High near 79. Southwest wind 10 to 15 mph, with gusts as high as 22 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and possibly a thunderstorm. Low around 60. Southwest wind around 10 mph. Chance of precipitation is 80%.
Thursday
Showers likely, with thunderstorms also possible after 1pm. Partly sunny, with a high near 76. Southwest wind 9 to 11 mph. Chance of precipitation is 70%.
Thursday Night
A chance of thunderstorms before 7pm. Mostly clear, with a low around 55. Chance of precipitation is 30%.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83.
Friday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 55. Chance of precipitation is 80%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 68. Chance of precipitation is 50%.
Saturday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 60.
Sunday Night
Mostly clear, with a low around 38.
Monday
Sunny, with a high near 65.
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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:
9:51 am CDT Apr 14, 2026
Forecast Valid:
10am CDT Apr 14, 2026-6pm CDT Apr 20, 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