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

54°F

12°C

Humidity 44%
Wind Speed E 13 mph
Barometer 30.31 in
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 7 Apr 5:50 pm CDT
Extended Forecast for

Roxana IL

  • Tonight

    Tonight: Partly cloudy, with a low around 40. East wind 8 to 10 mph.

    Low: 40 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 74. South wind 8 to 18 mph, with gusts as high as 28 mph.

    High: 74 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 53. South wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 78. Southwest wind 7 to 10 mph.

    High: 78 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 58. South wind around 9 mph. Chance of precipitation is 30%.

    Low: 58 °F

    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.

    High: 71 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.

    Low: 52 °F

    Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 74.

    High: 74 °F

    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 59.

    Low: 59 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Partly cloudy, with a low around 40. East wind 8 to 10 mph.
Wednesday
Mostly sunny, with a high near 74. South wind 8 to 18 mph, with gusts as high as 28 mph.
Wednesday Night
Mostly clear, with a low around 53. South wind 8 to 14 mph, with gusts as high as 22 mph.
Thursday
Mostly sunny, with a high near 78. Southwest wind 7 to 10 mph.
Thursday Night
A chance of showers between 1am and 4am, then a chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 58. South wind around 9 mph. Chance of precipitation is 30%.
Friday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 71. Chance of precipitation is 70%.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 52. Chance of precipitation is 40%.
Saturday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 74.
Saturday Night
Mostly cloudy, with a low around 59.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 80.
Sunday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 65.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 83. Breezy.
Monday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 65. Chance of precipitation is 60%.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 80. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Roxana IL
 38.84°N 90.05°W (Elev. 436 ft)
Last Update:
5:21 pm CDT Apr 7, 2026
Forecast Valid:
6pm CDT Apr 7, 2026-6pm CDT Apr 14, 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