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

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Fair

70°F

21°C

Humidity 68%
Wind Speed S 5 mph
Barometer 30.15 in (1019.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 4 Oct 2:51 am CDT
Extended Forecast for

Wellston MO

  • Overnight

    Overnight: Clear, with a low around 65. South wind 3 to 5 mph.

    Low: 65 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 88. South wind 5 to 11 mph.

    High: 88 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 62. South wind 6 to 8 mph.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 88. South wind 6 to 11 mph, with gusts as high as 20 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 66. South wind 5 to 8 mph.

    Low: 66 °F

    Mostly Clear

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.

    High: 87 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 40%.

    Low: 66 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.

    High: 78 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 57.

    Low: 57 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 65. South wind 3 to 5 mph.
Saturday
Sunny, with a high near 88. South wind 5 to 11 mph.
Saturday Night
Clear, with a low around 62. South wind 6 to 8 mph.
Sunday
Sunny, with a high near 88. South wind 6 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Mostly clear, with a low around 66. South wind 5 to 8 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 87. Chance of precipitation is 40%.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 66. Chance of precipitation is 40%.
Tuesday
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Tuesday Night
Mostly cloudy, with a low around 57.
Wednesday
Sunny, with a high near 74.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 74.
Thursday Night
Mostly clear, with a low around 53.
Friday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Wellston MO
 38.67°N 90.29°W (Elev. 515 ft)
Last Update:
3:16 am CDT Oct 4, 2025
Forecast Valid:
3am CDT Oct 4, 2025-6pm CDT Oct 10, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

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