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.

Partly Cloudy

78°F

26°C

Humidity 58%
Wind Speed SE 6 mph
Barometer 30.00 in (1014.8 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index80°F (27°C)
Last update 19 Sep 7:51 pm CDT
Extended Forecast for

Richmond Heights MO

  • Tonight

    Tonight: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light west wind. Chance of precipitation is 20%.

    Low: 66 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.

    Low: 68 °F

    Slight Chance
    T-storms then
    Showers
    Likely

  • Sunday

    Sunday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Southwest wind 3 to 7 mph. Chance of precipitation is 60%.

    High: 85 °F

    Showers
    Likely

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind 3 to 5 mph. Chance of precipitation is 70%.

    Low: 68 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.

    High: 81 °F

    Showers
    Likely

  • Monday Night

    Monday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.

    Low: 67 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.

    High: 79 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Tonight
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Light west wind. Chance of precipitation is 20%.
Saturday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 86. Calm wind becoming southwest around 6 mph in the afternoon.
Saturday Night
A slight chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 70%.
Sunday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 85. Southwest wind 3 to 7 mph. Chance of precipitation is 60%.
Sunday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 68. South wind 3 to 5 mph. Chance of precipitation is 70%.
Monday
Showers likely and possibly a thunderstorm before 7am, then showers likely between 7am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Partly sunny, with a high near 81. Chance of precipitation is 60%.
Monday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Tuesday
A chance of showers, then showers likely and possibly a thunderstorm after 1pm. Mostly cloudy, with a high near 79. Chance of precipitation is 60%.
Tuesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 50%.
Wednesday
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 78.
Wednesday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 64.
Thursday
A 40 percent chance of showers and thunderstorms. Partly sunny, with a high near 75.
Thursday Night
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61.
Friday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 76.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Richmond Heights MO
 38.62°N 90.32°W (Elev. 499 ft)
Last Update:
6:11 pm CDT Sep 19, 2025
Forecast Valid:
8pm CDT Sep 19, 2025-6pm CDT Sep 26, 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