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

57°F

14°C

Humidity 41%
Wind Speed N 6 mph
Barometer 30.11 in (1019.7 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 2 May 1:51 pm CDT
Extended Forecast for

Wellston MO

  • This Afternoon

    This Afternoon: A 20 percent chance of showers. Partly sunny, with a high near 60. North wind around 7 mph.

    High: 60 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Mostly clear, with a low around 42. North wind around 6 mph becoming calm.

    Low: 42 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 76. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.

    High: 76 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 56. West wind 5 to 8 mph becoming south after midnight. Chance of precipitation is 60%.

    Low: 56 °F

    Showers
    Likely

  • Monday

    Monday: A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 82. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.

    High: 82 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.

    Low: 60 °F

    Chance
    T-storms then
    Showers
    Likely

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 90%.

    High: 68 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 46. Chance of precipitation is 80%.

    Low: 46 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Mostly cloudy, with a high near 59.

    High: 59 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 20 percent chance of showers. Partly sunny, with a high near 60. North wind around 7 mph.
Tonight
Mostly clear, with a low around 42. North wind around 6 mph becoming calm.
Sunday
Increasing clouds, with a high near 76. Southwest wind 7 to 13 mph, with gusts as high as 23 mph.
Sunday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 7pm. Mostly cloudy, with a low around 56. West wind 5 to 8 mph becoming south after midnight. Chance of precipitation is 60%.
Monday
A 40 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 82. Southwest wind 6 to 13 mph, with gusts as high as 22 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 60. Chance of precipitation is 70%.
Tuesday
Showers and possibly a thunderstorm. High near 68. Chance of precipitation is 90%.
Tuesday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 46. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers. Mostly cloudy, with a high near 59.
Wednesday Night
A 30 percent chance of showers, mainly before 1am. Mostly cloudy, with a low around 44.
Thursday
Mostly sunny, with a high near 65.
Thursday Night
Mostly clear, with a low around 48.
Friday
Mostly sunny, with a high near 74.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Wellston MO
 38.67°N 90.29°W (Elev. 515 ft)
Last Update:
2:11 pm CDT May 2, 2026
Forecast Valid:
2pm CDT May 2, 2026-6pm CDT May 8, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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