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.

Thunderstorm

80°F

27°C

Humidity 74%
Wind Speed N 10 mph
Barometer 29.96 in (1013.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 16 Aug 8:51 pm CDT
Extended Forecast for

Champ MO

Severe T-storm Warning until August 16, 10:00pm
Click here for hazard details and duration
...
  •  
    Severe T-storm Warning until August 16, 10:00pm

    NOW until 10:00pm Sun

    Severe T-storm Warning

  • Tonight

    Low: 72 °F

    T-storms
    Likely

  • Monday

    Monday: Cloudy through mid morning, then becoming mostly sunny, with a high near 86. North wind 7 to 9 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 68. North wind around 6 mph becoming calm in the evening.

    Low: 68 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Mostly sunny, with a high near 90. Light and variable wind.

    High: 90 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 40 percent chance of showers after 1am. Partly cloudy, with a low around 73. Light and variable wind becoming southeast around 5 mph after midnight.

    Low: 73 °F

    Mostly Clear
    then Chance
    Showers

  • Wednesday

    Wednesday: A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.

    High: 88 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.

    Low: 69 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.

    High: 83 °F

    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms likely, mainly before midnight. Cloudy, with a low around 72. Northwest wind 3 to 7 mph. Winds could gust as high as 20 mph. Chance of precipitation is 70%.
Monday
Cloudy through mid morning, then becoming mostly sunny, with a high near 86. North wind 7 to 9 mph.
Monday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 68. North wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 90. Light and variable wind.
Tuesday Night
A 40 percent chance of showers after 1am. Partly cloudy, with a low around 73. Light and variable wind becoming southeast around 5 mph after midnight.
Wednesday
A 50 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 88.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 69. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers and thunderstorms, mainly before 1pm. Partly sunny, with a high near 83.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 66. Chance of precipitation is 20%.
Friday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 85. Chance of precipitation is 20%.
Friday Night
Mostly clear, with a low around 67.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 67.
Sunday
Mostly sunny, with a high near 86.
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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:
6:29 pm CDT Aug 16, 2026
Forecast Valid:
9pm CDT Aug 16, 2026-6pm CDT Aug 23, 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