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.

Overcast

35°F

2°C

Humidity 87%
Wind Speed N 7 mph
Barometer 30.23 in
Dewpoint 31°F (-1°C)
Visibility 7.00 mi
Wind Chill29°F (-2°C)
Last update 3 Dec 10:15 pm CST
Extended Forecast for

3 Miles SSE Carlinville IL

  • Tonight

    Tonight: A slight chance of snow before 1am, then a chance of flurries between 1am and 3am. Cloudy, with a low around 8. North wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.

    Low: 8 °F

    Slight Chance
    Snow

  • Thursday

    Thursday: Mostly cloudy through mid morning, then gradual clearing and cold, with a high near 19. North wind 5 to 9 mph becoming light northeast in the afternoon.

    High: 19 °F

    Cold

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 5. Calm wind becoming south around 6 mph in the evening.

    Low: 5 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 32. South wind 3 to 7 mph.

    High: 32 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 20. South wind around 5 mph becoming calm in the evening.

    Low: 20 °F

    Mostly Cloudy

  • Saturday

    Saturday: Partly sunny, with a high near 34.

    High: 34 °F

    Partly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20.

    Low: 20 °F

    Cloudy then
    Slight Chance
    Snow

  • Sunday

    Sunday: A 20 percent chance of snow. Mostly cloudy, with a high near 29.

    High: 29 °F

    Slight Chance
    Snow

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 11.

    Low: 11 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of snow before 1am, then a chance of flurries between 1am and 3am. Cloudy, with a low around 8. North wind 9 to 14 mph, with gusts as high as 23 mph. Chance of precipitation is 20%.
Thursday
Mostly cloudy through mid morning, then gradual clearing and cold, with a high near 19. North wind 5 to 9 mph becoming light northeast in the afternoon.
Thursday Night
Partly cloudy, with a low around 5. Calm wind becoming south around 6 mph in the evening.
Friday
Mostly sunny, with a high near 32. South wind 3 to 7 mph.
Friday Night
Mostly cloudy, with a low around 20. South wind around 5 mph becoming calm in the evening.
Saturday
Partly sunny, with a high near 34.
Saturday Night
A 20 percent chance of snow after midnight. Mostly cloudy, with a low around 20.
Sunday
A 20 percent chance of snow. Mostly cloudy, with a high near 29.
Sunday Night
Mostly cloudy, with a low around 11.
Monday
Partly sunny, with a high near 28.
Monday Night
Mostly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 39.
Tuesday Night
A 20 percent chance of rain. Mostly cloudy, with a low around 29.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 44.
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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:
10:11 pm CST Dec 3, 2025
Forecast Valid:
10pm CST Dec 3, 2025-6pm CST Dec 10, 2025
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation