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

74°F

23°C

Humidity 74%
Wind Speed S 9 mph
Barometer 29.88 in (1010.8 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Last update 17 May 12:51 am CDT
Extended Forecast for

Champ MO

  • Overnight

    Overnight: Mostly cloudy, with a low around 69. South wind around 8 mph.

    Low: 69 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 91. South wind 9 to 15 mph, with gusts as high as 28 mph.

    High: 91 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Increasing clouds, with a low around 72. South wind 11 to 14 mph, with gusts as high as 23 mph.

    Low: 72 °F

    Increasing
    Clouds

  • Monday

    Monday: A chance of showers and thunderstorms between 11am and noon, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 89. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.

    High: 89 °F

    Chance
    T-storms then
    Showers
    Likely

  • Monday Night

    Monday Night: A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Tuesday

    Tuesday: Showers and possibly a thunderstorm. High near 87. Chance of precipitation is 90%.

    High: 87 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Wednesday

    Wednesday: Partly sunny, with a high near 71.

    High: 71 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 53.

    Low: 53 °F

    Slight Chance
    Showers

Detailed Forecast

Overnight
Mostly cloudy, with a low around 69. South wind around 8 mph.
Sunday
Mostly sunny, with a high near 91. South wind 9 to 15 mph, with gusts as high as 28 mph.
Sunday Night
Increasing clouds, with a low around 72. South wind 11 to 14 mph, with gusts as high as 23 mph.
Monday
A chance of showers and thunderstorms between 11am and noon, then showers likely and possibly a thunderstorm after noon. Increasing clouds, with a high near 89. South wind around 15 mph, with gusts as high as 28 mph. Chance of precipitation is 60%.
Monday Night
A slight chance of showers between 1am and 4am, then a slight chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. South wind 13 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Tuesday
Showers and possibly a thunderstorm. High near 87. Chance of precipitation is 90%.
Tuesday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 58. Chance of precipitation is 60%.
Wednesday
Partly sunny, with a high near 71.
Wednesday Night
A 20 percent chance of showers before 1am. Mostly cloudy, with a low around 53.
Thursday
Partly sunny, with a high near 73.
Thursday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 56.
Friday
A 30 percent chance of showers and thunderstorms. Mostly cloudy, with a high near 77.
Friday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers and thunderstorms. Partly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Champ MO
 38.71°N 90.43°W (Elev. 518 ft)
Last Update:
1:26 am CDT May 17, 2026
Forecast Valid:
1am CDT May 17, 2026-6pm CDT May 23, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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