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

58°F

14°C

Humidity 32%
Wind Speed E 9 mph
Barometer 30.05 in (1017.2 mb)
Dewpoint 28°F (-2°C)
Visibility 10.00 mi
Last update 28 Feb 11:51 am CST
Extended Forecast for

Wellston MO

  • This Afternoon

    This Afternoon: A 20 percent chance of rain after 1pm. Partly sunny, with a high near 65. South wind 5 to 7 mph.

    High: 65 °F

    Slight Chance
    Rain

  • Tonight

    Tonight: Mostly clear, with a low around 31. East wind 5 to 11 mph becoming north in the evening. Winds could gust as high as 21 mph.

    Low: 31 °F

    Mostly Clear

  • Sunday

    Sunday: Increasing clouds, with a high near 47. Northeast wind 8 to 11 mph, with gusts as high as 20 mph.

    High: 47 °F

    Increasing
    Clouds

  • Sunday Night

    Sunday Night: Rain and snow likely before midnight, then snow likely between midnight and 3am, then rain and snow likely after 3am. Cloudy, with a low around 34. East wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.

    Low: 34 °F

    Rain/Snow
    Likely

  • Monday

    Monday: A chance of rain and snow before 9am, then a chance of rain. Cloudy, with a high near 43. East wind 8 to 10 mph. Chance of precipitation is 40%.

    High: 43 °F

    Chance
    Rain/Snow
    then Slight
    Chance Rain

  • Monday Night

    Monday Night: Rain. Low around 38. Chance of precipitation is 80%.

    Low: 38 °F

    Rain

  • Tuesday

    Tuesday: Rain and possibly a thunderstorm. High near 59. Chance of precipitation is 90%.

    High: 59 °F

    Rain

  • Tuesday Night

    Tuesday Night: Rain, with thunderstorms also possible after midnight. Low around 50. Chance of precipitation is 80%.

    Low: 50 °F

    Rain

  • Wednesday

    Wednesday: Rain likely and possibly a thunderstorm. Cloudy, with a high near 65. Chance of precipitation is 70%.

    High: 65 °F

    Rain Likely

Detailed Forecast

This Afternoon
A 20 percent chance of rain after 1pm. Partly sunny, with a high near 65. South wind 5 to 7 mph.
Tonight
Mostly clear, with a low around 31. East wind 5 to 11 mph becoming north in the evening. Winds could gust as high as 21 mph.
Sunday
Increasing clouds, with a high near 47. Northeast wind 8 to 11 mph, with gusts as high as 20 mph.
Sunday Night
Rain and snow likely before midnight, then snow likely between midnight and 3am, then rain and snow likely after 3am. Cloudy, with a low around 34. East wind 7 to 9 mph. Chance of precipitation is 70%. New snow accumulation of less than one inch possible.
Monday
A chance of rain and snow before 9am, then a chance of rain. Cloudy, with a high near 43. East wind 8 to 10 mph. Chance of precipitation is 40%.
Monday Night
Rain. Low around 38. Chance of precipitation is 80%.
Tuesday
Rain and possibly a thunderstorm. High near 59. Chance of precipitation is 90%.
Tuesday Night
Rain, with thunderstorms also possible after midnight. Low around 50. Chance of precipitation is 80%.
Wednesday
Rain likely and possibly a thunderstorm. Cloudy, with a high near 65. Chance of precipitation is 70%.
Wednesday Night
Rain likely and possibly a thunderstorm before midnight, then a chance of rain. Mostly cloudy, with a low around 50. Chance of precipitation is 60%.
Thursday
A 50 percent chance of rain. Partly sunny, with a high near 70.
Thursday Night
A 50 percent chance of rain. Mostly cloudy, with a low around 56.
Friday
Rain likely and possibly a thunderstorm. Mostly cloudy, with a high near 72. Chance of precipitation is 70%.
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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:
11:01 am CST Feb 28, 2026
Forecast Valid:
12pm CST Feb 28, 2026-6pm CST Mar 6, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation