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

43°F

6°C

Humidity 74%
Wind Speed NW 3 mph
Barometer 29.62 in (1002.7 mb)
Dewpoint 35°F (2°C)
Visibility 10.00 mi
Last update 18 Feb 11:54 pm CST
Extended Forecast for

3 Miles E Allenton MO

  • Overnight

    Overnight: Partly cloudy, with a low around 48. Calm wind.

    Low: 48 °F

    Partly Cloudy

  • Thursday

    Thursday: Scattered showers and thunderstorms, mainly between 9am and noon. Partly sunny, with a high near 71. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 50%.

    High: 71 °F

    Scattered
    T-storms then
    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 33. West wind 9 to 14 mph, with gusts as high as 28 mph.

    Low: 33 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 49. West wind 6 to 11 mph becoming light northwest in the afternoon. Winds could gust as high as 25 mph.

    High: 49 °F

    Sunny

  • Friday Night

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

    Low: 30 °F

    Partly Cloudy

  • Saturday

    Saturday: A slight chance of rain and snow. Mostly sunny, with a high near 45. Chance of precipitation is 20%.

    High: 45 °F

    Slight Chance
    Rain/Snow

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 23.

    Low: 23 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 40.

    High: 40 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 18.

    Low: 18 °F

    Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 48. Calm wind.
Thursday
Scattered showers and thunderstorms, mainly between 9am and noon. Partly sunny, with a high near 71. Light and variable wind becoming southwest 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 50%.
Thursday Night
Mostly clear, with a low around 33. West wind 9 to 14 mph, with gusts as high as 28 mph.
Friday
Sunny, with a high near 49. West wind 6 to 11 mph becoming light northwest in the afternoon. Winds could gust as high as 25 mph.
Friday Night
Partly cloudy, with a low around 30. Light north wind.
Saturday
A slight chance of rain and snow. Mostly sunny, with a high near 45. Chance of precipitation is 20%.
Saturday Night
Mostly clear, with a low around 23.
Sunday
Sunny, with a high near 40.
Sunday Night
Clear, with a low around 18.
Monday
Sunny, with a high near 39.
Monday Night
Mostly clear, with a low around 21.
Tuesday
Mostly sunny, with a high near 51.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 58.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles E Allenton MO
 38.52°N 90.69°W (Elev. 732 ft)
Last Update:
9:36 pm CST Feb 18, 2026
Forecast Valid:
12am CST Feb 19, 2026-6pm CST Feb 25, 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