National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

56°F

13°C

Humidity 86%
Wind Speed NA
Barometer 29.67 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 7 Nov 3:35 am CST
Extended Forecast for

5 Miles SSE Carlinville IL

  • Overnight

    Overnight: A 30 percent chance of showers and thunderstorms, mainly before 4am. Cloudy, with a steady temperature around 57. South wind 11 to 14 mph, with gusts as high as 21 mph.

    Low: 57 °F

    Chance
    Showers

  • Friday

    Friday: Cloudy through mid morning, then gradual clearing, with a high near 69. West wind 9 to 14 mph.

    High: 69 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 39. West wind 5 to 7 mph becoming calm after midnight.

    Low: 39 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.

    High: 64 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32. Southeast wind 6 to 16 mph becoming northwest in the evening.

    Low: 32 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Mostly sunny, with a high near 39. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain then
    Slight Chance
    Rain/Snow

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 21.

    Low: 21 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 22.

    Low: 22 °F

    Mostly Clear

Detailed Forecast

Overnight
A 30 percent chance of showers and thunderstorms, mainly before 4am. Cloudy, with a steady temperature around 57. South wind 11 to 14 mph, with gusts as high as 21 mph.
Friday
Cloudy through mid morning, then gradual clearing, with a high near 69. West wind 9 to 14 mph.
Friday Night
Increasing clouds, with a low around 39. West wind 5 to 7 mph becoming calm after midnight.
Saturday
A 30 percent chance of rain after noon. Mostly cloudy, with a high near 64. Calm wind becoming south 5 to 9 mph in the afternoon. Winds could gust as high as 22 mph.
Saturday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32. Southeast wind 6 to 16 mph becoming northwest in the evening.
Sunday
A slight chance of rain before noon, then a slight chance of rain and snow between noon and 3pm, then a slight chance of snow after 3pm. Mostly sunny, with a high near 39. Chance of precipitation is 20%.
Sunday Night
Partly cloudy, with a low around 21.
Monday
Sunny, with a high near 40.
Monday Night
Mostly clear, with a low around 22.
Veterans Day
Partly sunny, with a high near 53.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 62.
Wednesday Night
Mostly clear, with a low around 34.
Thursday
Sunny, with a high near 59.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Carlinville IL
 39.21°N 89.86°W (Elev. 650 ft)
Last Update:
3:11 am CST Nov 7, 2025
Forecast Valid:
3am CST Nov 7, 2025-6pm CST Nov 13, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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