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 and Breezy

79°F

26°C

Humidity 45%
Wind Speed SW 22 G 35 mph
Barometer 30.01 in
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 12 Apr 12:50 pm CDT
Extended Forecast for

Roxana IL

  • This Afternoon

    This Afternoon: A 30 percent chance of showers, mainly between 3pm and 5pm. Partly sunny, with a high near 80. Breezy, with a south wind 15 to 21 mph, with gusts as high as 31 mph.

    High: 80 °F

    Chance
    Showers and
    Breezy

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. South wind 10 to 17 mph, with gusts as high as 28 mph.

    Low: 66 °F

    Chance
    T-storms

  • Monday

    Monday: Partly sunny, with a high near 85. South wind 9 to 17 mph, with gusts as high as 25 mph.

    High: 85 °F

    Partly Sunny

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Tuesday

    Tuesday: A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 88. South wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.

    High: 88 °F

    Slight Chance
    T-storms then
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Wednesday Night

    Wednesday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.

    Low: 63 °F

    Showers
    Likely

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 30 percent chance of showers, mainly between 3pm and 5pm. Partly sunny, with a high near 80. Breezy, with a south wind 15 to 21 mph, with gusts as high as 31 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 66. South wind 10 to 17 mph, with gusts as high as 28 mph.
Monday
Partly sunny, with a high near 85. South wind 9 to 17 mph, with gusts as high as 25 mph.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and 1am. Partly cloudy, with a low around 68. South wind 10 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
A slight chance of showers, then a chance of showers and thunderstorms after 10am. Partly sunny, with a high near 88. South wind 9 to 16 mph, with gusts as high as 25 mph. Chance of precipitation is 40%.
Tuesday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Wednesday
Showers and possibly a thunderstorm. High near 81. Chance of precipitation is 80%.
Wednesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 63. Chance of precipitation is 70%.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 83. Chance of precipitation is 40%.
Thursday Night
Mostly clear, with a low around 61.
Friday
A 40 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Friday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 62. Chance of precipitation is 60%.
Saturday
Showers and thunderstorms likely. Partly sunny, with a high near 79. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Roxana IL
 38.84°N 90.05°W (Elev. 436 ft)
Last Update:
12:11 pm CDT Apr 12, 2026
Forecast Valid:
12pm CDT Apr 12, 2026-6pm CDT Apr 18, 2026
 
Forecast Discussion
 
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Additional Resources

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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