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.

Partly Cloudy

62°F

17°C

Humidity 85%
Wind Speed SE 10 mph
Barometer 29.79 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 2 Apr 4:35 am CDT
Extended Forecast for

Roxana IL

Wind Advisory April 2, 12:00pm until April 2, 07:00pm
Click here for hazard details and duration
Wind Advisory

  • Overnight

    Overnight: A 20 percent chance of showers. Mostly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 22 mph.

    Low: 55 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm. High near 76. Breezy, with a south wind 17 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 80%.

    High: 76 °F

    Breezy.
    Chance
    Showers then
    T-storms

  • Thursday Night

    Thursday Night: Showers and thunderstorms likely before 4am, then a chance of showers. Partly cloudy, with a low around 63. Breezy, with a south wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely and
    Breezy

  • Friday

    Friday: A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    High: 82 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm. Low around 58. South wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.

    Low: 58 °F

    Showers
    Likely then
    T-storms

  • Saturday

    Saturday: Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 59. Chance of precipitation is 60%.

    High: 59 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 39.

    Low: 39 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 38.

    Low: 38 °F

    Clear

Detailed Forecast

Overnight
A 20 percent chance of showers. Mostly cloudy, with a low around 55. South wind around 11 mph, with gusts as high as 22 mph.
Thursday
Showers and possibly a thunderstorm, mainly before 4pm, then showers and thunderstorms likely after 4pm. High near 76. Breezy, with a south wind 17 to 25 mph, with gusts as high as 44 mph. Chance of precipitation is 80%.
Thursday Night
Showers and thunderstorms likely before 4am, then a chance of showers. Partly cloudy, with a low around 63. Breezy, with a south wind 15 to 20 mph decreasing to 6 to 11 mph after midnight. Winds could gust as high as 33 mph. Chance of precipitation is 70%.
Friday
A slight chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 82. South wind 6 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Friday Night
Showers and possibly a thunderstorm. Low around 58. South wind 10 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%.
Saturday
Showers likely and possibly a thunderstorm. Mostly cloudy, with a steady temperature around 59. Chance of precipitation is 60%.
Saturday Night
Partly cloudy, with a low around 39.
Sunday
Sunny, with a high near 58.
Sunday Night
Clear, with a low around 38.
Monday
Sunny, with a high near 64.
Monday Night
Mostly cloudy, with a low around 39.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 40.
Wednesday
Mostly sunny, with a high near 69.
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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:
4:31 am CDT Apr 2, 2026
Forecast Valid:
4am CDT Apr 2, 2026-6pm CDT Apr 8, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation