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.

Mostly Cloudy

72°F

22°C

Humidity 87%
Wind Speed Calm
Barometer 29.87 in (1010.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 17 Jun 2:51 am CDT
Extended Forecast for

Champ MO

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Calm wind.

    Low: 70 °F

    Patchy Fog

  • Tuesday

    Tuesday: Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 91. Light southwest wind.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 73. South wind around 6 mph.

    Low: 73 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. High near 84. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 84 °F

    Showers
    Likely then
    T-storms

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.

    Low: 67 °F

    Chance
    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 68.

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 92.

    High: 92 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 76.

    Low: 76 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 70. Calm wind.
Tuesday
Patchy fog before 8am. Otherwise, mostly cloudy, then gradually becoming sunny, with a high near 91. Light southwest wind.
Tuesday Night
A 20 percent chance of showers and thunderstorms after 11pm. Partly cloudy, with a low around 73. South wind around 6 mph.
Wednesday
A chance of showers and thunderstorms before 7am, then showers likely and possibly a thunderstorm between 7am and 1pm, then showers and thunderstorms after 1pm. High near 84. Southwest wind 8 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Wednesday Night
A chance of showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Mostly cloudy, with a low around 67. Southwest wind 5 to 10 mph. Chance of precipitation is 30%.
Juneteenth
Sunny, with a high near 86.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 76.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Mostly clear, with a low around 78.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 77.
Monday
Sunny, with a high near 95.
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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:
1:36 am CDT Jun 17, 2025
Forecast Valid:
3am CDT Jun 17, 2025-6pm CDT Jun 23, 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