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.

A Few Clouds

77°F

25°C

Humidity 66%
Wind Speed NE 6 mph
Barometer 29.99 in (1014.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 29 Jul 9:51 pm CDT
Extended Forecast for

Maplewood MO

  • Tonight

    Tonight: Clear, with a low around 68. Light east wind.

    Low: 68 °F

    Clear

  • Thursday

    Thursday: Sunny, with a high near 88. Calm wind becoming east around 6 mph in the morning.

    High: 88 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 70. Southeast wind 5 to 7 mph.

    Low: 70 °F

    Partly Cloudy

  • Friday

    Friday: Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. South wind 6 to 10 mph. Chance of precipitation is 70%.

    High: 85 °F

    Showers
    Likely

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 70. South wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Saturday

    Saturday: A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67.

    Low: 67 °F

    Slight Chance
    T-storms

  • Sunday

    Sunday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 67.

    Low: 67 °F

    Mostly Clear

Detailed Forecast

Tonight
Clear, with a low around 68. Light east wind.
Thursday
Sunny, with a high near 88. Calm wind becoming east around 6 mph in the morning.
Thursday Night
Partly cloudy, with a low around 70. Southeast wind 5 to 7 mph.
Friday
Showers likely, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 85. South wind 6 to 10 mph. Chance of precipitation is 70%.
Friday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers and thunderstorms between 1am and 4am, then a chance of showers after 4am. Low around 70. South wind 6 to 10 mph becoming west after midnight. Chance of precipitation is 80%.
Saturday
A chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 40%.
Saturday Night
A 20 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 67.
Sunday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 67.
Monday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 69.
Tuesday
A 20 percent chance of showers and thunderstorms. Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 71.
Wednesday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Maplewood MO
 38.6°N 90.29°W (Elev. 499 ft)
Last Update:
10:11 pm CDT Jul 29, 2026
Forecast Valid:
10pm CDT Jul 29, 2026-6pm CDT Aug 5, 2026
 
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