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

St. Louis, Spirit Of St. Louis Airport (KSUS)

Lat: 38.66°NLon: 90.66°WElev: 463ft.

Fair

57°F

14°C

Humidity 67%
Wind Speed S 8 mph
Barometer 29.84 in (1010.5 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 17 Feb 11:54 am CST
Extended Forecast for

3 Miles E Allenton MO

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 63. South wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 63 °F

    Mostly Cloudy

  • Tonight

    Tonight: A slight chance of showers between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 55. South wind 10 to 14 mph becoming southwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 20%.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Wednesday

    Wednesday: Sunny, with a high near 72. West wind 5 to 9 mph, with gusts as high as 22 mph.

    High: 72 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 50. South wind around 5 mph becoming calm.

    Low: 50 °F

    Partly Cloudy

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after noon. Sunny, with a high near 73. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.

    High: 73 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: Clear, with a low around 36.

    Low: 36 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 51.

    High: 51 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 30.

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of snow. Mostly sunny, with a high near 45.

    High: 45 °F

    Chance Snow

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 63. South wind 8 to 11 mph, with gusts as high as 23 mph.
Tonight
A slight chance of showers between midnight and 3am. Cloudy, then gradually becoming partly cloudy, with a low around 55. South wind 10 to 14 mph becoming southwest after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 20%.
Wednesday
Sunny, with a high near 72. West wind 5 to 9 mph, with gusts as high as 22 mph.
Wednesday Night
Partly cloudy, with a low around 50. South wind around 5 mph becoming calm.
Thursday
A chance of showers, with thunderstorms also possible after noon. Sunny, with a high near 73. South wind 5 to 11 mph becoming west in the afternoon. Winds could gust as high as 25 mph. Chance of precipitation is 40%.
Thursday Night
Clear, with a low around 36.
Friday
Sunny, with a high near 51.
Friday Night
Partly cloudy, with a low around 30.
Saturday
A 30 percent chance of snow. Mostly sunny, with a high near 45.
Saturday Night
A 20 percent chance of snow before midnight. Mostly clear, with a low around 25.
Sunday
Sunny, with a high near 40.
Sunday Night
Mostly clear, with a low around 18.
Monday
Sunny, with a high near 41.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Allenton MO
 38.52°N 90.69°W (Elev. 732 ft)
Last Update:
11:11 am CST Feb 17, 2026
Forecast Valid:
12pm CST Feb 17, 2026-6pm CST Feb 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