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Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

54°F

12°C

Humidity 94%
Wind Speed W 5 mph
Barometer 30.01 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Wind Chill53°F (12°C)
Last update 4 Mar 5:45 pm CST
Extended Forecast for

5 Miles E Carlinville IL

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Patchy fog. Low around 51. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%.

    Low: 51 °F

    T-storms and
    Patchy Fog

  • Thursday

    Thursday: Showers likely and possibly a thunderstorm before 9am, then isolated showers between 9am and 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. West wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 60%.

    High: 63 °F

    Showers
    Likely and
    Patchy Fog
    then Mostly
    Cloudy

  • Thursday Night

    Thursday Night: A slight chance of showers before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 52. Calm wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 60%.

    Low: 52 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Scattered showers. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.

    High: 76 °F

    Scattered
    Showers and
    Breezy

  • Friday Night

    Friday Night: Scattered showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 53. South wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.

    Low: 53 °F

    Scattered
    T-storms then
    Showers

  • Saturday

    Saturday: Scattered showers before noon. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.

    High: 62 °F

    Scattered
    Showers then
    Mostly Cloudy

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 45.

    Low: 45 °F

    Mostly Clear

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then showers and possibly a thunderstorm, mainly after 2am. Patchy fog. Low around 51. Calm wind becoming south around 5 mph after midnight. Chance of precipitation is 80%.
Thursday
Showers likely and possibly a thunderstorm before 9am, then isolated showers between 9am and 10am. Patchy fog before 10am. Otherwise, mostly cloudy, with a high near 63. West wind 5 to 8 mph becoming calm in the afternoon. Chance of precipitation is 60%.
Thursday Night
A slight chance of showers before midnight, then showers likely and possibly a thunderstorm between midnight and 3am, then a chance of showers and thunderstorms after 3am. Mostly cloudy, with a low around 52. Calm wind becoming south 5 to 9 mph in the evening. Chance of precipitation is 60%.
Friday
Scattered showers. Partly sunny, with a high near 76. Breezy, with a south wind 10 to 15 mph increasing to 16 to 21 mph in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 40%.
Friday Night
Scattered showers and thunderstorms, then showers and possibly a thunderstorm after midnight. Low around 53. South wind 14 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 90%.
Saturday
Scattered showers before noon. Mostly cloudy, with a high near 62. Chance of precipitation is 40%.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Sunny, with a high near 62.
Sunday Night
Mostly clear, with a low around 45.
Monday
Sunny, with a high near 74.
Monday Night
A 40 percent chance of showers and thunderstorms. Mostly clear, with a low around 58.
Tuesday
Showers and possibly a thunderstorm. High near 73. Breezy. Chance of precipitation is 80%.
Tuesday Night
Showers. Low around 45. Chance of precipitation is 80%.
Wednesday
Showers likely. Mostly cloudy, with a high near 54. Breezy. Chance of precipitation is 60%.
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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:
4:36 pm CST Mar 4, 2026
Forecast Valid:
6pm CST Mar 4, 2026-6pm CDT Mar 11, 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