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

58°F

14°C

Humidity 38%
Wind Speed SE 8 mph
Barometer 29.88 in (1012.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 7 Jan 6:54 pm CST
Extended Forecast for

3 Miles SW Weldon Spring Heights MO

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. South wind around 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely, then showers and possibly a thunderstorm after 3pm. High near 65. South wind 7 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.

    High: 65 °F

    Showers

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 49. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 56. West wind 5 to 7 mph becoming north in the afternoon.

    High: 56 °F

    Partly Sunny

  • Friday Night

    Friday Night: A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. North wind 3 to 7 mph.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 43.

    High: 43 °F

    Slight Chance
    Rain then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 24.

    Low: 24 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 36.

    High: 36 °F

    Sunny

  • Sunday Night

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

    Low: 23 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. South wind around 7 mph.
Thursday
Rain likely, then showers and possibly a thunderstorm after 3pm. High near 65. South wind 7 to 15 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm before 9pm, then showers likely between 9pm and midnight. Cloudy, then gradually becoming partly cloudy, with a low around 49. South wind 9 to 14 mph becoming west after midnight. Winds could gust as high as 29 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 56. West wind 5 to 7 mph becoming north in the afternoon.
Friday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37. North wind 3 to 7 mph.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 43.
Saturday Night
Partly cloudy, with a low around 24.
Sunday
Sunny, with a high near 36.
Sunday Night
Mostly clear, with a low around 23.
Monday
Sunny, with a high near 49.
Monday Night
Mostly clear, with a low around 33.
Tuesday
Mostly sunny, with a high near 52.
Tuesday Night
Mostly cloudy, with a low around 35.
Wednesday
A 20 percent chance of rain. Mostly cloudy, with a high near 43.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles SW Weldon Spring Heights MO
 38.68°N 90.74°W (Elev. 597 ft)
Last Update:
5:21 pm CST Jan 7, 2026
Forecast Valid:
7pm CST Jan 7, 2026-6pm CST Jan 14, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation