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Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

61°F

16°C

Humidity 55%
Wind Speed S 14 mph
Barometer 30.02 in
Dewpoint 45°F (7°C)
Visibility 10.00 mi
Last update 30 Mar 6:50 am CDT
Extended Forecast for

5 Miles E Carlinville IL

  • Today

    Today: Mostly sunny, with a high near 79. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 33 mph.

    High: 79 °F

    Mostly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, with a low around 61. South wind 14 to 17 mph, with gusts as high as 29 mph.

    Low: 61 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A chance of rain, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.

    High: 82 °F

    Breezy.
    Chance Rain
    then Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm. Low around 52. Southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.

    Low: 52 °F

    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 7am, then rain between 7am and 10am, then rain and possibly a thunderstorm after 10am. High near 68. East wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.

    High: 68 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm. Low around 57. Chance of precipitation is 80%.

    Low: 57 °F

    Rain

  • Thursday

    Thursday: Rain and possibly a thunderstorm. High near 73. Breezy. Chance of precipitation is 90%.

    High: 73 °F

    Rain and
    Breezy

  • Thursday Night

    Thursday Night: Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.

    Low: 55 °F

    Rain Likely

  • Friday

    Friday: A chance of rain and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.

    High: 74 °F

    Chance Rain

Detailed Forecast

Today
Mostly sunny, with a high near 79. Breezy, with a southwest wind 14 to 22 mph, with gusts as high as 33 mph.
Tonight
Mostly cloudy, with a low around 61. South wind 14 to 17 mph, with gusts as high as 29 mph.
Tuesday
A chance of rain, with thunderstorms also possible after 10am. Partly sunny, with a high near 82. Breezy, with a southwest wind 15 to 24 mph, with gusts as high as 40 mph. Chance of precipitation is 40%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 52. Southwest wind around 11 mph becoming north after midnight. Winds could gust as high as 20 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 7am, then rain between 7am and 10am, then rain and possibly a thunderstorm after 10am. High near 68. East wind 10 to 13 mph, with gusts as high as 20 mph. Chance of precipitation is 90%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 57. Chance of precipitation is 80%.
Thursday
Rain and possibly a thunderstorm. High near 73. Breezy. Chance of precipitation is 90%.
Thursday Night
Rain likely and possibly a thunderstorm before 1am, then a chance of rain. Mostly cloudy, with a low around 55. Chance of precipitation is 70%.
Friday
A chance of rain and thunderstorms. Mostly cloudy, with a high near 74. Chance of precipitation is 50%.
Friday Night
Rain likely, mainly after 1am. Mostly cloudy, with a low around 53. Chance of precipitation is 60%.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 67. Breezy. Chance of precipitation is 60%.
Saturday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Sunday
A 20 percent chance of rain. Mostly sunny, with a high near 55.
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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:
6:46 am CDT Mar 30, 2026
Forecast Valid:
6am CDT Mar 30, 2026-6pm CDT Apr 5, 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