Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

81°F

27°C

Humidity 65%
Wind Speed SE 7 mph
Barometer 29.93 in (1012.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 16 Jun 2:51 pm CDT
Extended Forecast for

Wellston MO

  • This Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly before 5pm.  Mostly cloudy, with a high near 84. Southeast wind around 5 mph.

    High: 84 °F

    Chance
    T-storms

  • Tonight

    Tonight: Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm  in the evening.

    Low: 70 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Decreasing
    Clouds

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight.  Partly cloudy, with a low around 73. South wind around 6 mph.  Chance of precipitation is 20%.

    Low: 73 °F

    Slight Chance
    T-storms then
    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm.  Mostly cloudy, with a high near 87. South wind 7 to 11 mph, with gusts as high as 22 mph.  Chance of precipitation is 70%.

    High: 87 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 7pm.  Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    T-storms
    Likely

  • Juneteenth

    Juneteenth: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 93.

    High: 93 °F

    Sunny

Detailed Forecast

This Afternoon
A 30 percent chance of showers and thunderstorms, mainly before 5pm. Mostly cloudy, with a high near 84. Southeast wind around 5 mph.
Tonight
Mostly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A slight chance of showers and thunderstorms before 10pm, then a slight chance of showers between 10pm and midnight. Partly cloudy, with a low around 73. South wind around 6 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers and thunderstorms before 1pm, then showers likely and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms likely after 4pm. Mostly cloudy, with a high near 87. South wind 7 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 70%.
Wednesday Night
Showers and thunderstorms likely, mainly before 7pm. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Juneteenth
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 69.
Friday
Sunny, with a high near 93.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 77.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 77.
Monday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 95.
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ABOUT THIS FORECAST

 
Point Forecast:
Wellston MO
 38.64°N 90.29°W (Elev. 489 ft)
2:36 pm CDT Jun 16, 2025
3pm CDT Jun 16, 2025-6pm CDT Jun 23, 2025
 
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Additional Resources

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