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

67°F

19°C

Humidity 47%
Wind Speed S 10 G 20 mph
Barometer 30.14 in
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 10 Apr 1:55 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Overnight

    Overnight: A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 59. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.

    Low: 59 °F

    Chance
    Showers

  • Friday

    Friday: Showers and thunderstorms before 4pm, then a slight chance of showers. High near 66. Southwest wind around 10 mph becoming north in the afternoon. Chance of precipitation is 80%.

    High: 66 °F

    Showers then
    Chance
    Showers

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 46. East wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 40 percent chance of showers, mainly after 7am. Mostly cloudy, with a high near 68. Southeast wind 8 to 10 mph.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 57. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Mostly Cloudy

  • Sunday

    Sunday: A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 40%.

    High: 78 °F

    Breezy.
    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.

    Low: 61 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.

    Low: 65 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
A 30 percent chance of showers after 4am. Mostly cloudy, with a low around 59. Southwest wind 11 to 14 mph, with gusts as high as 22 mph.
Friday
Showers and thunderstorms before 4pm, then a slight chance of showers. High near 66. Southwest wind around 10 mph becoming north in the afternoon. Chance of precipitation is 80%.
Friday Night
Mostly cloudy, with a low around 46. East wind around 6 mph.
Saturday
A 40 percent chance of showers, mainly after 7am. Mostly cloudy, with a high near 68. Southeast wind 8 to 10 mph.
Saturday Night
Mostly cloudy, with a low around 57. Southeast wind 8 to 10 mph, with gusts as high as 20 mph.
Sunday
A chance of showers and thunderstorms between 1pm and 4pm, then a chance of showers after 4pm. Mostly cloudy, with a high near 78. Breezy. Chance of precipitation is 40%.
Sunday Night
A chance of showers, with thunderstorms also possible after 7pm. Mostly cloudy, with a low around 61. Chance of precipitation is 50%.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
Monday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Tuesday
A 50 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 84.
Tuesday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Wednesday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 79.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 56.
Thursday
A 40 percent chance of showers. Partly sunny, with a high near 78.
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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:
1:26 am CDT Apr 10, 2026
Forecast Valid:
2am CDT Apr 10, 2026-6pm CDT Apr 16, 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