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

54°F

12°C

Humidity 30%
Wind Speed SE 10 mph
Barometer 30.17 in
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 12 Mar 3:45 pm CDT
Extended Forecast for

2 Miles SSW Carlinville IL

Wind Advisory March 12, 10:00pm until March 13, 11:00am
Click here for hazard details and duration
Wind Advisory

  • Tonight

    Tonight: Partly cloudy, with a low around 42. Breezy, with a south wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 37 mph.

    Low: 42 °F

    Partly Cloudy
    and Breezy

  • Friday

    Friday: Mostly sunny, with a high near 55. Breezy, with a west wind 15 to 22 mph, with gusts as high as 33 mph.

    High: 55 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Partly cloudy, with a low around 33. Northwest wind 5 to 7 mph becoming light and variable.

    Low: 33 °F

    Partly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 61. East wind 6 to 13 mph, with gusts as high as 20 mph.

    High: 61 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 49. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.

    Low: 49 °F

    Mostly Cloudy

  • Sunday

    Sunday: Rain and possibly a thunderstorm. High near 66. Breezy. Chance of precipitation is 90%.

    High: 66 °F

    Breezy. Rain
    Likely then
    Rain

  • Sunday Night

    Sunday Night: Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 18. Windy. Chance of precipitation is 80%.

    Low: 18 °F

    Rain/Snow and
    Windy

  • Monday

    Monday: A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Blustery.

    High: 25 °F

    Slight Chance
    Snow and
    Blustery

  • Monday Night

    Monday Night: Mostly clear, with a low around 9.

    Low: 9 °F

    Mostly Clear

Detailed Forecast

Tonight
Partly cloudy, with a low around 42. Breezy, with a south wind 11 to 16 mph increasing to 19 to 24 mph after midnight. Winds could gust as high as 37 mph.
Friday
Mostly sunny, with a high near 55. Breezy, with a west wind 15 to 22 mph, with gusts as high as 33 mph.
Friday Night
Partly cloudy, with a low around 33. Northwest wind 5 to 7 mph becoming light and variable.
Saturday
Partly sunny, with a high near 61. East wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday Night
Mostly cloudy, with a low around 49. Southeast wind 10 to 14 mph, with gusts as high as 24 mph.
Sunday
Rain and possibly a thunderstorm. High near 66. Breezy. Chance of precipitation is 90%.
Sunday Night
Rain and snow before 1am, then a chance of snow. Some thunder is also possible. Low around 18. Windy. Chance of precipitation is 80%.
Monday
A 20 percent chance of snow before 1pm. Mostly cloudy, with a high near 25. Blustery.
Monday Night
Mostly clear, with a low around 9.
Tuesday
Mostly sunny, with a high near 30.
Tuesday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Chance of precipitation is 30%.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 50.
Wednesday Night
Partly cloudy, with a low around 34.
Thursday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Carlinville IL
 39.25°N 89.89°W (Elev. 600 ft)
Last Update:
2:00 pm CDT Mar 12, 2026
Forecast Valid:
4pm CDT Mar 12, 2026-6pm CDT Mar 19, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation