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Hazardous Weather Conditions

Current conditions at

St. Louis Regional Airport (KALN)

Lat: 38.89°NLon: 90.03°WElev: 518ft.

Fair

43°F

6°C

Humidity 49%
Wind Speed E 13 mph
Barometer 30.31 in
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill36°F (2°C)
Last update 1 Mar 3:50 pm CST
Extended Forecast for

4 Miles SSW South Roxana IL

Winter Weather Advisory March 1, 06:00pm until March 2, 06:00am
Click here for hazard details and duration
Winter Weather Advisory

  • Tonight

    Tonight: Rain and snow, possibly mixed with sleet before 3am, then a chance of rain and snow between 3am and 4am, then a slight chance of rain after 4am. Low around 35. East wind 9 to 11 mph. Chance of precipitation is 100%. Total nighttime snow and sleet accumulation of less than a half inch possible.

    Low: 35 °F

    Wintry Mix

  • Monday

    Monday: A 50 percent chance of rain, mainly before 8am. Cloudy, with a high near 46. East wind 6 to 10 mph.

    High: 46 °F

    Chance Rain
    then Cloudy

  • Monday Night

    Monday Night: Rain likely, mainly after midnight. Cloudy, with a low around 40. East wind around 6 mph. Chance of precipitation is 70%.

    Low: 40 °F

    Slight Chance
    Rain then
    Rain Likely

  • Tuesday

    Tuesday: Rain. High near 65. South wind 6 to 10 mph. Chance of precipitation is 80%.

    High: 65 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 70%.

    Low: 55 °F

    Rain Likely

  • Wednesday

    Wednesday: Rain and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.

    High: 70 °F

    Rain

  • Wednesday Night

    Wednesday Night: Rain and possibly a thunderstorm before midnight, then rain likely. Low around 53. Chance of precipitation is 80%.

    Low: 53 °F

    Rain

  • Thursday

    Thursday: Rain likely, mainly before noon. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.

    High: 72 °F

    Rain Likely

  • Thursday Night

    Thursday Night: A 50 percent chance of rain and thunderstorms. Partly cloudy, with a low around 58.

    Low: 58 °F

    Chance Rain
    then Chance
    T-storms

Detailed Forecast

Tonight
Rain and snow, possibly mixed with sleet before 3am, then a chance of rain and snow between 3am and 4am, then a slight chance of rain after 4am. Low around 35. East wind 9 to 11 mph. Chance of precipitation is 100%. Total nighttime snow and sleet accumulation of less than a half inch possible.
Monday
A 50 percent chance of rain, mainly before 8am. Cloudy, with a high near 46. East wind 6 to 10 mph.
Monday Night
Rain likely, mainly after midnight. Cloudy, with a low around 40. East wind around 6 mph. Chance of precipitation is 70%.
Tuesday
Rain. High near 65. South wind 6 to 10 mph. Chance of precipitation is 80%.
Tuesday Night
Rain likely, with thunderstorms also possible after 3am. Mostly cloudy, with a low around 55. South wind around 7 mph. Chance of precipitation is 70%.
Wednesday
Rain and possibly a thunderstorm. High near 70. Chance of precipitation is 80%.
Wednesday Night
Rain and possibly a thunderstorm before midnight, then rain likely. Low around 53. Chance of precipitation is 80%.
Thursday
Rain likely, mainly before noon. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
Thursday Night
A 50 percent chance of rain and thunderstorms. Partly cloudy, with a low around 58.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 78. Chance of precipitation is 60%.
Friday Night
Rain likely and possibly a thunderstorm. Mostly cloudy, with a low around 48. Chance of precipitation is 60%.
Saturday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 60%.
Saturday Night
A 30 percent chance of rain. Partly cloudy, with a low around 42.
Sunday
A 30 percent chance of rain. Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW South Roxana IL
 38.77°N 90.08°W (Elev. 427 ft)
Last Update:
4:41 pm CST Mar 1, 2026
Forecast Valid:
4pm CST Mar 1, 2026-6pm CDT Mar 8, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation