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

64°F

18°C

Humidity 73%
Wind Speed SE 5 mph
Barometer 29.94 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 30 Sep 7:50 am CDT
Extended Forecast for

Roxana IL

  • Today

    Today: A slight chance of showers between 9am and 11am. Mostly cloudy, with a high near 91. South wind 6 to 10 mph. Chance of precipitation is 20%.

    High: 91 °F

    Slight Chance
    Showers then
    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. South wind around 9 mph.

    Low: 71 °F

    Mostly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 87. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.

    High: 87 °F

    Slight Chance
    Showers then
    Chance
    Showers

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm. Low around 64. West wind around 6 mph becoming light and variable. Chance of precipitation is 80%.

    Low: 64 °F

    Showers

  • Friday

    Friday: A 50 percent chance of showers before 1pm. Partly sunny, with a high near 73. North wind 10 to 13 mph.

    High: 73 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

Today
A slight chance of showers between 9am and 11am. Mostly cloudy, with a high near 91. South wind 6 to 10 mph. Chance of precipitation is 20%.
Tonight
Mostly cloudy, with a low around 71. South wind around 9 mph.
Thursday
A chance of showers, with thunderstorms also possible after 4pm. Mostly cloudy, with a high near 87. Southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 50%.
Thursday Night
Showers and possibly a thunderstorm. Low around 64. West wind around 6 mph becoming light and variable. Chance of precipitation is 80%.
Friday
A 50 percent chance of showers before 1pm. Partly sunny, with a high near 73. North wind 10 to 13 mph.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 74.
Sunday Night
Mostly clear, with a low around 48.
Monday
Sunny, with a high near 69.
Monday Night
Clear, with a low around 46.
Tuesday
Sunny, with a high near 70.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roxana IL
 38.84°N 90.05°W (Elev. 436 ft)
Last Update:
7:56 am CDT Sep 30, 2026
Forecast Valid:
8am CDT Sep 30, 2026-6pm CDT Oct 6, 2026
 
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