Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

61°F

16°C

Humidity 47%
Wind Speed S 9 mph
Barometer 30.06 in
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 29 Mar 11:15 pm CDT
Extended Forecast for

4 Miles SSW South Roxana IL

  • Tonight

    Tonight: Partly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph.

    Low: 57 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 84. Southwest wind 11 to 18 mph, with gusts as high as 26 mph.

    High: 84 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 24 mph.

    Low: 64 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A slight chance of rain, then a chance of rain and thunderstorms after 10am.  Mostly sunny, with a high near 85. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph.  Chance of precipitation is 30%.

    High: 85 °F

    Chance
    T-storms and
    Breezy

  • Tuesday Night

    Tuesday Night: A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am.  Low around 56. Southwest wind 10 to 14 mph becoming north after midnight.  Chance of precipitation is 80%.

    Low: 56 °F

    Chance
    T-storms then
    Rain

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm.  High near 68. Chance of precipitation is 80%.

    High: 68 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm.  Low around 52. Chance of precipitation is 90%.

    Low: 52 °F

    Rain

  • Thursday

    Thursday: Rain.  High near 67. Chance of precipitation is 80%.

    High: 67 °F

    Rain

  • Thursday Night

    Thursday Night: Rain likely, mainly before 1am.  Mostly cloudy, with a low around 48. Chance of precipitation is 60%.

    Low: 48 °F

    Rain Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 57. South wind around 10 mph, with gusts as high as 20 mph.
Monday
Sunny, with a high near 84. Southwest wind 11 to 18 mph, with gusts as high as 26 mph.
Monday Night
Partly cloudy, with a low around 64. South wind around 15 mph, with gusts as high as 24 mph.
Tuesday
A slight chance of rain, then a chance of rain and thunderstorms after 10am. Mostly sunny, with a high near 85. Breezy, with a southwest wind 14 to 21 mph, with gusts as high as 31 mph. Chance of precipitation is 30%.
Tuesday Night
A chance of rain and thunderstorms, then rain and possibly a thunderstorm after 1am. Low around 56. Southwest wind 10 to 14 mph becoming north after midnight. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm. Low around 52. Chance of precipitation is 90%.
Thursday
Rain. High near 67. Chance of precipitation is 80%.
Thursday Night
Rain likely, mainly before 1am. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Friday
A 40 percent chance of rain. Mostly cloudy, with a high near 74.
Friday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 56.
Saturday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Saturday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Sunday
A 30 percent chance of rain. Mostly cloudy, with a high near 61.
Basemap Options
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
10:41 pm CDT Mar 29, 2026
11pm CDT Mar 29, 2026-6pm CDT Apr 5, 2026
 
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Additional Resources

Radar & Satellite Image

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Hourly Weather Forecast

National Digital Forecast Database