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.

Light Rain

76°F

24°C

Humidity 67%
Wind Speed SW 5 mph
Barometer 29.97 in (1013.5 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 14 Oct 1:51 am CDT
Extended Forecast for

Champ MO

  • Overnight

    Overnight: Showers and thunderstorms likely, mainly after 3am. Partly cloudy early, then becoming cloudy, with a low around 72. Northwest wind 5 to 7 mph. Chance of precipitation is 60%.

    Low: 72 °F

    T-storms
    Likely

  • Wednesday

    Wednesday: Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and noon, then a chance of showers and thunderstorms after noon. High near 78. West wind 3 to 6 mph. Chance of precipitation is 90%.

    High: 78 °F

    T-storms then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 68. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Thursday

    Thursday: Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Patchy fog between 9am and 10am. High near 83. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%.

    High: 83 °F

    Showers and
    Patchy Fog
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. West wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.

    Low: 50 °F

    Showers

  • Friday

    Friday: Mostly sunny, with a high near 61. Breezy.

    High: 61 °F

    Mostly Sunny
    and Breezy

  • Friday Night

    Friday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 41.

    Low: 41 °F

    Clear

Detailed Forecast

Overnight
Showers and thunderstorms likely, mainly after 3am. Partly cloudy early, then becoming cloudy, with a low around 72. Northwest wind 5 to 7 mph. Chance of precipitation is 60%.
Wednesday
Showers and thunderstorms before 10am, then showers likely and possibly a thunderstorm between 10am and noon, then a chance of showers and thunderstorms after noon. High near 78. West wind 3 to 6 mph. Chance of precipitation is 90%.
Wednesday Night
A slight chance of showers, then a chance of showers and thunderstorms after 10pm. Mostly cloudy, with a low around 68. Light and variable wind becoming east around 6 mph after midnight. Chance of precipitation is 40%.
Thursday
Showers and possibly a thunderstorm, mainly before noon, then a chance of showers and thunderstorms after noon. Patchy fog between 9am and 10am. High near 83. East wind 6 to 10 mph becoming southwest in the afternoon. Chance of precipitation is 90%.
Thursday Night
Showers and possibly a thunderstorm before 1am, then a chance of showers. Low around 50. West wind 7 to 17 mph becoming northwest after midnight. Winds could gust as high as 26 mph. Chance of precipitation is 80%.
Friday
Mostly sunny, with a high near 61. Breezy.
Friday Night
Mostly clear, with a low around 42.
Saturday
Sunny, with a high near 63.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 47.
Monday
Mostly sunny, with a high near 73.
Monday Night
Partly cloudy, with a low around 50.
Tuesday
Mostly sunny, with a high near 78.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Champ MO
 38.71°N 90.46°W (Elev. 499 ft)
Last Update:
1:26 am CDT Oct 14, 2026
Forecast Valid:
2am CDT Oct 14, 2026-6pm CDT Oct 20, 2026
 
Forecast Discussion
 
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Additional Resources

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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