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

48°F

9°C

Humidity 81%
Wind Speed SE 10 mph
Barometer 29.83 in
Dewpoint 42°F (6°C)
Visibility 10.00 mi
Wind Chill44°F (7°C)
Last update 8 Jan 5:35 am CST
Extended Forecast for

4 Miles SSW South Roxana IL

  • Today

    Today: A chance of rain before 3pm, then a chance of rain and thunderstorms between 3pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 64. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%.

    High: 64 °F

    Chance Rain
    then Rain and
    Breezy

  • Tonight

    Tonight: Rain and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 4am. Low around 46. Breezy, with a south wind 14 to 21 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%.

    Low: 46 °F

    Rain and
    Breezy then
    Slight Chance
    Rain

  • Friday

    Friday: Partly sunny, with a high near 53. West wind 6 to 16 mph becoming north in the afternoon. Winds could gust as high as 26 mph.

    High: 53 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Northeast wind 3 to 7 mph.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 45. West wind 8 to 16 mph, with gusts as high as 24 mph.

    High: 45 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 34.

    High: 34 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 24.

    Low: 24 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

Detailed Forecast

Today
A chance of rain before 3pm, then a chance of rain and thunderstorms between 3pm and 4pm, then rain and possibly a thunderstorm after 4pm. High near 64. Breezy, with a south wind 9 to 14 mph increasing to 17 to 22 mph in the afternoon. Winds could gust as high as 38 mph. Chance of precipitation is 80%.
Tonight
Rain and possibly a thunderstorm before 2am, then a slight chance of rain between 2am and 4am. Low around 46. Breezy, with a south wind 14 to 21 mph becoming west after midnight. Winds could gust as high as 34 mph. Chance of precipitation is 80%.
Friday
Partly sunny, with a high near 53. West wind 6 to 16 mph becoming north in the afternoon. Winds could gust as high as 26 mph.
Friday Night
A 30 percent chance of rain after midnight. Mostly cloudy, with a low around 39. Northeast wind 3 to 7 mph.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 45. West wind 8 to 16 mph, with gusts as high as 24 mph.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Mostly sunny, with a high near 34.
Sunday Night
Mostly clear, with a low around 24.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 35.
Tuesday
Partly sunny, with a high near 54.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
Mostly cloudy, with a high near 43.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
Last Update:
4:46 am CST Jan 8, 2026
Forecast Valid:
5am CST Jan 8, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation