Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

60°F

16°C

Humidity 92%
Wind Speed S 5 mph
Barometer 29.86 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 10 Mar 4:35 am CDT
Extended Forecast for

Carlinville IL

  • Today

    Today: Sunny, with a high near 80. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.

    High: 80 °F

    Sunny then
    Sunny and
    Breezy

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am.  Low around 49. Southwest wind 15 to 18 mph, with gusts as high as 36 mph.  Chance of precipitation is 90%.

    Low: 49 °F

    Slight Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 1pm, then a chance of showers.  Temperature falling to around 47 by 5pm. Breezy, with a southwest wind 15 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph.  Chance of precipitation is 100%.

    High: 61 °F

    Breezy.
    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 30. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.

    Low: 30 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 52. Light and variable wind becoming southwest 6 to 11 mph in the morning.

    High: 52 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 41. Breezy.

    Low: 41 °F

    Mostly Cloudy
    then Mostly
    Cloudy and
    Breezy

  • Friday

    Friday: Mostly cloudy, with a high near 59.

    High: 59 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 65.

    High: 65 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Breezy, with a south wind 9 to 14 mph increasing to 15 to 20 mph in the afternoon. Winds could gust as high as 29 mph.
Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after 4am. Low around 49. Southwest wind 15 to 18 mph, with gusts as high as 36 mph. Chance of precipitation is 90%.
Wednesday
Showers and possibly a thunderstorm before 1pm, then a chance of showers. Temperature falling to around 47 by 5pm. Breezy, with a southwest wind 15 to 21 mph becoming northwest in the afternoon. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Partly cloudy, with a low around 30. Northwest wind 12 to 17 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 25 mph.
Thursday
Sunny, with a high near 52. Light and variable wind becoming southwest 6 to 11 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 41. Breezy.
Friday
Mostly cloudy, with a high near 59.
Friday Night
Mostly cloudy, with a low around 36.
Saturday
Partly sunny, with a high near 65.
Saturday Night
A 20 percent chance of rain after 1am. Partly cloudy, with a low around 45.
Sunday
Rain likely. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 70%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 19. Blustery. Chance of precipitation is 30%.
Monday
Partly sunny, with a high near 34.
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ABOUT THIS FORECAST

 
Point Forecast:
Carlinville IL
 39.27°N 89.89°W (Elev. 614 ft)
3:46 am CDT Mar 10, 2026
4am CDT Mar 10, 2026-6pm CDT Mar 16, 2026
 
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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