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 72%
Wind Speed NA
Barometer 29.74 in
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 7 Nov 12:35 am CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • Overnight

    Overnight: Isolated showers between 2am and 3am. Mostly cloudy, with a low around 53. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 53 °F

    Isolated
    Showers

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 71. West wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 71 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Increasing clouds, with a low around 42. West wind 5 to 7 mph becoming calm after midnight.

    Low: 42 °F

    Increasing
    Clouds

  • Saturday

    Saturday: A 30 percent chance of rain after noon. Partly sunny, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.

    High: 67 °F

    Partly Sunny
    then Chance
    Rain

  • Saturday Night

    Saturday Night: A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 33. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.

    Low: 33 °F

    Chance Rain
    then Mostly
    Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42. Breezy.

    High: 42 °F

    Mostly Sunny
    then Mostly
    Sunny and
    Breezy

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

Detailed Forecast

Overnight
Isolated showers between 2am and 3am. Mostly cloudy, with a low around 53. South wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 71. West wind 10 to 13 mph, with gusts as high as 20 mph.
Friday Night
Increasing clouds, with a low around 42. West wind 5 to 7 mph becoming calm after midnight.
Saturday
A 30 percent chance of rain after noon. Partly sunny, with a high near 67. Light and variable wind becoming southwest 5 to 10 mph in the afternoon.
Saturday Night
A 40 percent chance of rain before midnight. Mostly cloudy, with a low around 33. Northwest wind 10 to 14 mph, with gusts as high as 23 mph.
Sunday
Mostly sunny, with a high near 42. Breezy.
Sunday Night
Partly cloudy, with a low around 24.
Monday
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 26.
Veterans Day
Mostly sunny, with a high near 56.
Tuesday Night
Mostly clear, with a low around 43.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 37.
Thursday
Sunny, with a high near 62.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
Last Update:
10:46 pm CST Nov 6, 2025
Forecast Valid:
12am CST Nov 7, 2025-6pm CST Nov 13, 2025
 
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