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

67°F

19°C

Humidity 72%
Wind Speed S 12 mph
Barometer 29.68 in
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 22 Mar 3:35 am CDT
Extended Forecast for

Roxana IL

  • Overnight

    Overnight: Clear, with a low around 62. South wind around 8 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 87. South wind 7 to 15 mph becoming northwest in the afternoon.

    High: 87 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a north wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.

    Low: 36 °F

    Slight Chance
    T-storms and
    Breezy then
    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 56. Northeast wind 9 to 11 mph.

    High: 56 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 38. Northeast wind around 6 mph.

    Low: 38 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 65.

    High: 65 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 45.

    Low: 45 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.

    Low: 60 °F

    Slight Chance
    T-storms

Detailed Forecast

Overnight
Clear, with a low around 62. South wind around 8 mph.
Sunday
Increasing clouds, with a high near 87. South wind 7 to 15 mph becoming northwest in the afternoon.
Sunday Night
A 20 percent chance of showers and thunderstorms before 9pm. Mostly cloudy, then gradually becoming mostly clear, with a low around 36. Breezy, with a north wind 18 to 23 mph decreasing to 11 to 16 mph after midnight. Winds could gust as high as 37 mph.
Monday
Mostly sunny, with a high near 56. Northeast wind 9 to 11 mph.
Monday Night
Mostly cloudy, with a low around 38. Northeast wind around 6 mph.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 45.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Thursday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 87.
Thursday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 43.
Friday
A 40 percent chance of showers. Partly sunny, with a high near 53.
Friday Night
A 20 percent chance of showers. Partly cloudy, with a low around 33.
Saturday
Mostly sunny, with a high near 58.
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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:
3:21 am CDT Mar 22, 2026
Forecast Valid:
3am CDT Mar 22, 2026-6pm CDT Mar 28, 2026
 
Forecast Discussion
 
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Additional Resources

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