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Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

66°F

19°C

Humidity 66%
Wind Speed S 12 mph
Barometer 29.83 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 26 Mar 2:35 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Overnight

    Overnight: Mostly clear, with a low around 60. South wind around 11 mph, with gusts as high as 20 mph.

    Low: 60 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 32 mph.

    High: 90 °F

    Sunny then
    Sunny and
    Breezy

  • Thursday Night

    Thursday Night: Showers and thunderstorms before 4am, then showers likely. Low around 37. Breezy, with a southwest wind 10 to 15 mph becoming northeast 18 to 23 mph in the evening. Winds could gust as high as 38 mph. Chance of precipitation is 90%.

    Low: 37 °F

    T-storms
    Likely then
    T-storms and
    Breezy

  • Friday

    Friday: A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 50. North wind around 18 mph, with gusts as high as 32 mph.

    High: 50 °F

    Chance
    Showers then
    Mostly Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 28. North wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 28 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 53.

    High: 53 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 40.

    Low: 40 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 60. South wind around 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 90. Breezy, with a southwest wind 11 to 21 mph, with gusts as high as 32 mph.
Thursday Night
Showers and thunderstorms before 4am, then showers likely. Low around 37. Breezy, with a southwest wind 10 to 15 mph becoming northeast 18 to 23 mph in the evening. Winds could gust as high as 38 mph. Chance of precipitation is 90%.
Friday
A 30 percent chance of showers, mainly before 8am. Cloudy through mid morning, then gradual clearing, with a high near 50. North wind around 18 mph, with gusts as high as 32 mph.
Friday Night
Mostly clear, with a low around 28. North wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 53.
Saturday Night
Mostly cloudy, with a low around 40.
Sunday
Partly sunny, with a high near 63.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
A 20 percent chance of rain and thunderstorms before 1pm. Mostly sunny, with a high near 79.
Monday Night
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 60.
Tuesday
A 40 percent chance of rain and thunderstorms. Partly sunny, with a high near 79.
Tuesday Night
A 40 percent chance of rain and thunderstorms. Mostly cloudy, with a low around 60.
Wednesday
A 50 percent chance of rain and thunderstorms. Partly sunny, with a high near 77. Breezy.
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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 Mar 26, 2026
Forecast Valid:
2am CDT Mar 26, 2026-6pm CDT Apr 1, 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