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.

Fair

68°F

20°C

Humidity 73%
Wind Speed SW 13 G 24 mph
Barometer 29.84 in (1009.6 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 9 Mar 11:51 pm CDT
Extended Forecast for

Champ MO

  • Overnight

    Overnight: Mostly clear, with a low around 63. South wind 7 to 10 mph.

    Low: 63 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 85. South wind 7 to 16 mph, with gusts as high as 26 mph.

    High: 85 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 53. South wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.

    Low: 53 °F

    Slight Chance
    T-storms then
    T-storms

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before 2pm, then showers likely. Temperature falling to around 50 by 5pm. Southwest wind 13 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%.

    High: 69 °F⇓

    T-storms then
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 34. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.

    Low: 34 °F

    Mostly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 55.

    High: 55 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 46.

    Low: 46 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Friday Night

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

    Low: 42 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Mostly clear, with a low around 63. South wind 7 to 10 mph.
Tuesday
Sunny, with a high near 85. South wind 7 to 16 mph, with gusts as high as 26 mph.
Tuesday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 3am. Low around 53. South wind around 15 mph, with gusts as high as 29 mph. Chance of precipitation is 80%.
Wednesday
Showers and possibly a thunderstorm before 2pm, then showers likely. Temperature falling to around 50 by 5pm. Southwest wind 13 to 17 mph becoming northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 100%.
Wednesday Night
Mostly cloudy, with a low around 34. Northwest wind 6 to 15 mph, with gusts as high as 25 mph.
Thursday
Sunny, with a high near 55.
Thursday Night
Mostly cloudy, with a low around 46.
Friday
Partly sunny, with a high near 64.
Friday Night
Mostly cloudy, with a low around 42.
Saturday
Mostly sunny, with a high near 71.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 51.
Sunday
A 50 percent chance of rain. Mostly cloudy, with a high near 66.
Sunday Night
A chance of rain and snow. Partly cloudy, with a low around 28. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 42.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Champ MO
 38.74°N 90.45°W (Elev. 499 ft)
Last Update:
11:41 pm CDT Mar 9, 2026
Forecast Valid:
12am CDT Mar 10, 2026-6pm CDT Mar 16, 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