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.

Mostly Cloudy

46°F

8°C

Humidity 71%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 37°F (3°C)
Visibility 10.00 mi
Last update 9 Jan 5:50 pm CST
Extended Forecast for

6 Miles SW Carlinville IL

  • Tonight

    Tonight: A 40 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 36. Northeast wind around 6 mph becoming calm.

    Low: 36 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A chance of rain before 9am, then a chance of sprinkles after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 44. Northwest wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.

    High: 44 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A chance of sprinkles and flurries before 8pm, then a chance of flurries between 8pm and midnight. Partly cloudy, with a low around 23. Northwest wind 10 to 17 mph, with gusts as high as 30 mph.

    Low: 23 °F

    Chance
    Sprinkles/Flurries
    then Mostly
    Clear

  • Sunday

    Sunday: Sunny, with a high near 36. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.

    High: 36 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24. Southwest wind 3 to 8 mph.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 48.

    High: 48 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 34.

    Low: 34 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 35.

    Low: 35 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A 40 percent chance of rain, mainly after 4am. Mostly cloudy, with a low around 36. Northeast wind around 6 mph becoming calm.
Saturday
A chance of rain before 9am, then a chance of sprinkles after 4pm. Cloudy through mid morning, then gradual clearing, with a high near 44. Northwest wind 8 to 17 mph, with gusts as high as 26 mph. Chance of precipitation is 40%.
Saturday Night
A chance of sprinkles and flurries before 8pm, then a chance of flurries between 8pm and midnight. Partly cloudy, with a low around 23. Northwest wind 10 to 17 mph, with gusts as high as 30 mph.
Sunday
Sunny, with a high near 36. Northwest wind 7 to 17 mph, with gusts as high as 25 mph.
Sunday Night
Mostly clear, with a low around 24. Southwest wind 3 to 8 mph.
Monday
Sunny, with a high near 48.
Monday Night
Partly cloudy, with a low around 34.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A slight chance of rain and snow after noon. Mostly cloudy, with a high near 40. Chance of precipitation is 20%.
Wednesday Night
Mostly cloudy, with a low around 20.
Thursday
Mostly sunny, with a high near 34.
Thursday Night
Partly cloudy, with a low around 24.
Friday
Mostly cloudy, with a high near 40.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
6 Miles SW Carlinville IL
 39.21°N 89.95°W (Elev. 548 ft)
Last Update:
4:51 pm CST Jan 9, 2026
Forecast Valid:
6pm CST Jan 9, 2026-6pm CST Jan 16, 2026
 
Forecast Discussion
 
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Additional Resources

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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