Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Mostly Cloudy

61°F

16°C

Humidity 36%
Wind Speed Vrbl 5 mph
Barometer 29.98 in
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 28 Feb 4:50 pm CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • This Afternoon

    This Afternoon: A 30 percent chance of rain and thunderstorms.  Mostly cloudy, with a high near 65. Southeast wind around 6 mph.

    High: 65 °F

    Chance Rain

  • Tonight

    Tonight: A 20 percent chance of rain and thunderstorms before 7pm.  Mostly cloudy, then gradually becoming clear, with a low around 32. North wind 5 to 13 mph, with gusts as high as 22 mph.

    Low: 32 °F

    Slight Chance
    T-storms then
    Mostly Clear

  • Sunday

    Sunday: Partly sunny, with a high near 46. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.

    High: 46 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain and snow likely before midnight, then snow likely, possibly mixed with rain and sleet between midnight and 3am, then rain and snow likely after 3am.  Cloudy, with a low around 33. East wind 8 to 10 mph.  Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.

    Low: 33 °F

    Wintry Mix
    Likely

  • Monday

    Monday: A 50 percent chance of rain, mainly before noon.  Cloudy, with a high near 44. East wind 9 to 11 mph.

    High: 44 °F

    Chance Rain
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain.  Low around 40. Chance of precipitation is 80%.

    Low: 40 °F

    Rain

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm before 9am, then rain between 9am and noon, then rain likely and possibly a thunderstorm after noon.  High near 64. Chance of precipitation is 90%.

    High: 64 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain and possibly a thunderstorm.  Low around 54. Chance of precipitation is 80%.

    Low: 54 °F

    Rain

  • Wednesday

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

    High: 68 °F

    Rain

Detailed Forecast

This Afternoon
A 30 percent chance of rain and thunderstorms. Mostly cloudy, with a high near 65. Southeast wind around 6 mph.
Tonight
A 20 percent chance of rain and thunderstorms before 7pm. Mostly cloudy, then gradually becoming clear, with a low around 32. North wind 5 to 13 mph, with gusts as high as 22 mph.
Sunday
Partly sunny, with a high near 46. Northeast wind 10 to 13 mph, with gusts as high as 20 mph.
Sunday Night
Rain and snow likely before midnight, then snow likely, possibly mixed with rain and sleet between midnight and 3am, then rain and snow likely after 3am. Cloudy, with a low around 33. East wind 8 to 10 mph. Chance of precipitation is 70%. New snow and sleet accumulation of less than a half inch possible.
Monday
A 50 percent chance of rain, mainly before noon. Cloudy, with a high near 44. East wind 9 to 11 mph.
Monday Night
Rain. Low around 40. Chance of precipitation is 80%.
Tuesday
Rain and possibly a thunderstorm before 9am, then rain between 9am and noon, then rain likely and possibly a thunderstorm after noon. High near 64. Chance of precipitation is 90%.
Tuesday Night
Rain and possibly a thunderstorm. Low around 54. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm. High near 68. Chance of precipitation is 80%.
Wednesday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 52. Chance of precipitation is 70%.
Thursday
Rain likely. Partly sunny, with a high near 71. Chance of precipitation is 60%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Partly cloudy, with a low around 56.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 54. Chance of precipitation is 70%.
Saturday
Rain likely. Mostly cloudy, with a high near 66. Chance of precipitation is 70%.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
4:36 pm CST Feb 28, 2026
5pm CST Feb 28, 2026-6pm CST Mar 7, 2026
 
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Additional Resources

Radar & Satellite Image

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