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.

Light Rain

53°F

12°C

Humidity 80%
Wind Speed NW 18 G 31 mph
Barometer 30.28 in (1025.3 mb)
Dewpoint 47°F (8°C)
Visibility 6.00 mi
Wind Chill48°F (9°C)
Last update 16 Oct 3:54 pm CDT
Extended Forecast for

2 Miles WNW Byrnes Mill MO

  • This Afternoon

    This Afternoon: Scattered showers. Mostly cloudy, with a high near 54. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.

    High: 54 °F

    Scattered
    Showers

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 36. North wind 5 to 11 mph, with gusts as high as 23 mph.

    Low: 36 °F

    Gradual
    Clearing

  • Saturday

    Saturday: Patchy frost before 8am. Otherwise, sunny, with a high near 60. Light northeast wind.

    High: 60 °F

    Patchy Frost
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 33. Calm wind.

    Low: 33 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 66. Light southeast wind.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Clear, with a low around 35.

    Low: 35 °F

    Clear

  • Monday

    Monday: Sunny, with a high near 71.

    High: 71 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 74.

    High: 74 °F

    Sunny

Detailed Forecast

This Afternoon
Scattered showers. Mostly cloudy, with a high near 54. Northwest wind around 11 mph, with gusts as high as 24 mph. Chance of precipitation is 30%.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 36. North wind 5 to 11 mph, with gusts as high as 23 mph.
Saturday
Patchy frost before 8am. Otherwise, sunny, with a high near 60. Light northeast wind.
Saturday Night
Clear, with a low around 33. Calm wind.
Sunday
Sunny, with a high near 66. Light southeast wind.
Sunday Night
Clear, with a low around 35.
Monday
Sunny, with a high near 71.
Monday Night
Partly cloudy, with a low around 38.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 39.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Clear, with a low around 42.
Thursday
Sunny, with a high near 80.
Thursday Night
Mostly clear, with a low around 46.
Friday
Mostly sunny, with a high near 81.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles WNW Byrnes Mill MO
 38.45°N 90.61°W (Elev. 548 ft)
Last Update:
2:56 pm CDT Oct 16, 2026
Forecast Valid:
4pm CDT Oct 16, 2026-6pm CDT Oct 23, 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