Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Overcast

71°F

22°C

Humidity 78%
Wind Speed SW 12 mph
Barometer 29.73 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 11 Mar 12:55 am CDT
Extended Forecast for

4 Miles SSW South Roxana IL

  • Overnight

    Overnight: Rain and thunderstorms likely, then rain and possibly a thunderstorm after 5am.  Steady temperature around 68. Southwest wind 13 to 15 mph, with gusts as high as 23 mph.  Chance of precipitation is 80%.

    Low: 68 °F

    T-storms

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm before 3pm, then a slight chance of rain between 3pm and 4pm.  Temperature falling to around 48 by 3pm. Breezy, with a southwest wind 11 to 20 mph becoming northwest in the morning. Winds could gust as high as 30 mph.  Chance of precipitation is 100%.

    High: 64 °F

    T-storms then
    Rain Likely
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.

    Low: 31 °F

    Mostly Cloudy
    and Blustery
    then Mostly
    Clear

  • Thursday

    Thursday: Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 45. South wind 10 to 18 mph, with gusts as high as 30 mph.

    Low: 45 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 62.

    High: 62 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 38.

    Low: 38 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of rain and thunderstorms after 1am.  Mostly cloudy, with a low around 51.

    Low: 51 °F

    Mostly Cloudy
    then Chance
    Rain

Detailed Forecast

Overnight
Rain and thunderstorms likely, then rain and possibly a thunderstorm after 5am. Steady temperature around 68. Southwest wind 13 to 15 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday
Rain and possibly a thunderstorm before 3pm, then a slight chance of rain between 3pm and 4pm. Temperature falling to around 48 by 3pm. Breezy, with a southwest wind 11 to 20 mph becoming northwest in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 31. Blustery, with a northwest wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 29 mph.
Thursday
Sunny, with a high near 55. Light and variable wind becoming southwest 5 to 10 mph in the morning.
Thursday Night
Mostly cloudy, with a low around 45. South wind 10 to 18 mph, with gusts as high as 30 mph.
Friday
Partly sunny, with a high near 62.
Friday Night
Mostly cloudy, with a low around 38.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
A 30 percent chance of rain and thunderstorms after 1am. Mostly cloudy, with a low around 51.
Sunday
Rain and possibly a thunderstorm. High near 65. Breezy. Chance of precipitation is 80%.
Sunday Night
A chance of rain and snow. Mostly cloudy, with a low around 22. Blustery. Chance of precipitation is 30%.
Monday
Sunny, with a high near 36.
Monday Night
Partly cloudy, with a low around 19.
Tuesday
Partly sunny, with a high near 43.
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ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
12:56 am CDT Mar 11, 2026
1am CDT Mar 11, 2026-6pm CDT Mar 17, 2026
 
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Additional Resources

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Hourly Weather Forecast

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