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

Hazardous Weather Conditions

Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

Mostly Cloudy

72°F

22°C

Humidity 84%
Wind Speed Calm
Barometer 30.06 in (1016.9 mb)
Dewpoint 67°F (19°C)
Visibility 9.00 mi
Last update 15 Jun 6:51 am CDT
Extended Forecast for

Wellston MO

  • Today

    Today: Partly sunny, with a high near 85. Northeast wind 3 to 6 mph.

    High: 85 °F

    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 71. East wind 3 to 6 mph.

    Low: 71 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. East wind 3 to 6 mph. Chance of precipitation is 30%.

    High: 86 °F

    Slight Chance
    Showers then
    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.

    Low: 70 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south 5 to 7 mph in the morning.

    High: 93 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Chance
    T-storms

  • Wednesday

    Wednesday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.

    High: 88 °F

    T-storms
    Likely

  • Wednesday Night

    Wednesday Night: A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69.

    Low: 69 °F

    Chance
    T-storms

  • Juneteenth

    Juneteenth: Mostly sunny, with a high near 87.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 85. Northeast wind 3 to 6 mph.
Tonight
Mostly cloudy, with a low around 71. East wind 3 to 6 mph.
Monday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 86. East wind 3 to 6 mph. Chance of precipitation is 30%.
Monday Night
Partly cloudy, with a low around 70. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 93. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 74.
Wednesday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 88. Chance of precipitation is 60%.
Wednesday Night
A 40 percent chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 69.
Juneteenth
Mostly sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 70.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 75.
Saturday
Sunny, with a high near 95.
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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:
5:22 am CDT Jun 15, 2025
Forecast Valid:
7am CDT Jun 15, 2025-6pm CDT Jun 21, 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