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

NWS St. Louis Announces Changes To May 16, 2025 Tornado Damage Assessment

After a year-long review of new ground survey data and aerial imagery, NWS St. Louis made several adjustments to the May 16, 2025 tornado damage assessment. Read More >

Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

81°F

27°C

Humidity 58%
Wind Speed S 17 mph
Barometer 29.85 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 17 May 7:50 pm CDT
Extended Forecast for

Roxana IL

  • Tonight

    Tonight: Increasing clouds, with a low around 71. South wind 13 to 16 mph, with gusts as high as 24 mph.

    Low: 71 °F

    Increasing
    Clouds

  • Monday

    Monday: Showers and thunderstorms likely, mainly between noon and 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. South wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.

    High: 86 °F

    Heavy Rain

  • Monday Night

    Monday Night: A slight chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. South wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.

    Low: 69 °F

    Slight Chance
    T-storms then
    T-storms
    Likely

  • Tuesday

    Tuesday: Showers and thunderstorms. High near 85. South wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.

    High: 85 °F

    T-storms

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 56. Northwest wind 8 to 10 mph. Chance of precipitation is 60%.

    Low: 56 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 70.

    High: 70 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 50.

    Low: 50 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 72.

    High: 72 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Increasing clouds, with a low around 71. South wind 13 to 16 mph, with gusts as high as 24 mph.
Monday
Showers and thunderstorms likely, mainly between noon and 2pm. Some of the storms could produce heavy rainfall. Mostly cloudy, with a high near 86. South wind 14 to 18 mph, with gusts as high as 26 mph. Chance of precipitation is 70%.
Monday Night
A slight chance of showers and thunderstorms before 10pm, then showers and thunderstorms likely after 4am. Mostly cloudy, then gradually becoming mostly clear, with a low around 69. South wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 60%.
Tuesday
Showers and thunderstorms. High near 85. South wind 13 to 16 mph, with gusts as high as 24 mph. Chance of precipitation is 90%.
Tuesday Night
Showers and thunderstorms likely, mainly before 1am. Mostly cloudy, with a low around 56. Northwest wind 8 to 10 mph. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 70.
Wednesday Night
Mostly cloudy, with a low around 50.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 76.
Friday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 59.
Saturday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Saturday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 62.
Sunday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 87.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Roxana IL
 38.84°N 90.05°W (Elev. 436 ft)
Last Update:
5:16 pm CDT May 17, 2026
Forecast Valid:
8pm CDT May 17, 2026-6pm CDT May 24, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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