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

64°F

18°C

Humidity 32%
Wind Speed SW 10 mph
Barometer 29.92 in (1013.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 7 Jan 12:54 pm CST
Extended Forecast for

3 Miles ESE Weldon Spring MO

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. South wind around 7 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. Southeast wind around 6 mph.

    Low: 46 °F

    Mostly Cloudy

  • Thursday

    Thursday: Rain likely before noon, then showers, mainly after 3pm. High near 65. South wind 7 to 16 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. Cloudy, then gradually becoming partly cloudy, with a low around 49. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.

    Low: 49 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Friday

    Friday: Partly sunny, with a high near 56. West wind 6 to 8 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.

    Low: 37 °F

    Chance Rain

  • Saturday

    Saturday: A 20 percent chance of rain before noon. Partly sunny, with a high near 44.

    High: 44 °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

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. South wind around 7 mph.
Tonight
Mostly cloudy, with a low around 46. Southeast wind around 6 mph.
Thursday
Rain likely before noon, then showers, mainly after 3pm. High near 65. South wind 7 to 16 mph, with gusts as high as 33 mph. Chance of precipitation is 80%.
Thursday Night
Showers likely and possibly a thunderstorm. Cloudy, then gradually becoming partly cloudy, with a low around 49. South wind 8 to 14 mph becoming west after midnight. Winds could gust as high as 28 mph. Chance of precipitation is 60%.
Friday
Partly sunny, with a high near 56. West wind 6 to 8 mph becoming north in the afternoon.
Friday Night
A 40 percent chance of rain, mainly after midnight. Mostly cloudy, with a low around 37.
Saturday
A 20 percent chance of rain before noon. Partly sunny, with a high near 44.
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 32.
Tuesday
Mostly sunny, with a high near 53.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
3 Miles ESE Weldon Spring MO
 38.7°N 90.6°W (Elev. 446 ft)
Last Update:
1:11 pm CST Jan 7, 2026
Forecast Valid:
1pm CST Jan 7, 2026-6pm CST Jan 13, 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