National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

21°F

-6°C

Humidity 57%
Wind Speed W 14 G 20 mph
Barometer 30.15 in
Dewpoint 8°F (-13°C)
Visibility 10.00 mi
Wind Chill8°F (-13°C)
Last update 17 Mar 2:15 am CDT
Extended Forecast for

Roxana IL

  • Overnight

    Overnight: Partly cloudy, with a low around 14. Northwest wind around 14 mph, with gusts as high as 21 mph.

    Low: 14 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Increasing clouds, with a high near 33. Northwest wind 6 to 10 mph becoming southwest in the afternoon.

    High: 33 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: A chance of snow before 4am, then a chance of rain. Cloudy, with a low around 30. Southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.

    Low: 30 °F

    Chance Snow
    then Chance
    Rain/Snow

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.

    High: 62 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 41. Light and variable wind.

    Low: 41 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 46.

    Low: 46 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

Detailed Forecast

Overnight
Partly cloudy, with a low around 14. Northwest wind around 14 mph, with gusts as high as 21 mph.
Tuesday
Increasing clouds, with a high near 33. Northwest wind 6 to 10 mph becoming southwest in the afternoon.
Tuesday Night
A chance of snow before 4am, then a chance of rain. Cloudy, with a low around 30. Southeast wind 6 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 40%.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. South wind 9 to 13 mph becoming west in the afternoon. Winds could gust as high as 21 mph.
Wednesday Night
Mostly cloudy, with a low around 41. Light and variable wind.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly clear, with a low around 46.
Friday
Sunny, with a high near 75.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 53.
Sunday
Sunny, with a high near 74.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Partly sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roxana IL
 38.84°N 90.02°W (Elev. 459 ft)
Last Update:
1:41 am CDT Mar 17, 2026
Forecast Valid:
2am CDT Mar 17, 2026-6pm CDT Mar 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation