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.

Partly Cloudy

64°F

18°C

Humidity 73%
Wind Speed W 12 mph
Barometer 29.72 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 7 Nov 8:50 am CST
Extended Forecast for

3 Miles SSE Carlinville IL

  • Today

    Today: Sunny, with a high near 69. West wind 8 to 14 mph.

    High: 69 °F

    Sunny

  • Tonight

    Tonight: 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 40 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 21 mph.

    High: 64 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32. West wind 6 to 11 mph becoming northwest 12 to 17 mph in the evening.

    Low: 32 °F

    Chance Rain
    then Slight
    Chance Rain

  • Sunday

    Sunday: A slight chance of rain before 9am, then a slight chance of snow. Mostly sunny, with a high near 39. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    High: 39 °F

    Slight Chance
    Rain/Snow
    then Slight
    Chance 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

  • Veterans Day

    Veterans Day: Partly sunny, with a high near 53.

    High: 53 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 69. West wind 8 to 14 mph.
Tonight
Increasing clouds, with a low around 39. West wind 5 to 7 mph becoming calm after midnight.
Saturday
A 40 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 21 mph.
Saturday Night
A 50 percent chance of rain, mainly before midnight. Mostly cloudy, with a low around 32. West wind 6 to 11 mph becoming northwest 12 to 17 mph in the evening.
Sunday
A slight chance of rain before 9am, then a slight chance of snow. Mostly sunny, with a high near 39. Northwest wind 14 to 18 mph, with gusts as high as 28 mph. 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.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SSE Carlinville IL
 39.25°N 89.86°W (Elev. 551 ft)
Last Update:
9:01 am CST Nov 7, 2025
Forecast Valid:
9am CST Nov 7, 2025-6pm CST Nov 13, 2025
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation