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.

Fair

70°F

21°C

Humidity 78%
Wind Speed S 16 mph
Barometer 29.78 in
Dewpoint 63°F (17°C)
Visibility 10.00 mi
Last update 2 Apr 8:45 pm CDT
Extended Forecast for

Roxana IL

  • Tonight

    Tonight: A 50 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 59. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 26 mph.

    Low: 59 °F

    Chance
    T-storms

  • Friday

    Friday: A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 78. East wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 23 mph.

    High: 78 °F

    Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 58. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Low: 58 °F

    Showers
    Likely then
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.

    High: 65 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39. West wind 8 to 14 mph, with gusts as high as 22 mph.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 40.

    Low: 40 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 61.

    High: 61 °F

    Sunny

  • Monday Night

    Monday Night: A 20 percent chance of showers after 1am. Partly cloudy, with a low around 36.

    Low: 36 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

Detailed Forecast

Tonight
A 50 percent chance of showers and thunderstorms, mainly before 4am. Mostly cloudy, with a low around 59. South wind 5 to 15 mph becoming northwest after midnight. Winds could gust as high as 26 mph.
Friday
A 50 percent chance of showers and thunderstorms, mainly after 5pm. Mostly cloudy, with a high near 78. East wind 5 to 15 mph becoming south in the morning. Winds could gust as high as 23 mph.
Friday Night
A slight chance of showers and thunderstorms, then showers and possibly a thunderstorm after 7pm. Low around 58. South wind 10 to 13 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a high near 65. West wind 10 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 70%.
Saturday Night
Partly cloudy, with a low around 39. West wind 8 to 14 mph, with gusts as high as 22 mph.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 40.
Monday
Sunny, with a high near 61.
Monday Night
A 20 percent chance of showers after 1am. Partly cloudy, with a low around 36.
Tuesday
Mostly sunny, with a high near 56.
Tuesday Night
Partly cloudy, with a low around 38.
Wednesday
Mostly sunny, with a high near 69.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
A 20 percent chance of showers. Mostly sunny, with a high near 75.
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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:
7:41 pm CDT Apr 2, 2026
Forecast Valid:
9pm CDT Apr 2, 2026-6pm CDT Apr 9, 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