National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Thunderstorm Light Rain

75°F

24°C

Humidity 79%
Wind Speed N 9 G 25 mph
Barometer 29.94 in (1013.3 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 12 Aug 2:53 pm CDT
Extended Forecast for

Pevely MO

  • This Afternoon

    This Afternoon: Showers and thunderstorms likely. Partly sunny, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 60%.

    High: 91 °F

    T-storms
    Likely

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 70. Light and variable wind.

    Low: 70 °F

    Chance
    T-storms then
    Partly Cloudy

  • Wednesday

    Wednesday: A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. Light north wind.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Thursday Night

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

    Low: 68 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99.

    High: 99 °F

    Hot

Detailed Forecast

This Afternoon
Showers and thunderstorms likely. Partly sunny, with a high near 91. Southwest wind around 5 mph. Chance of precipitation is 60%.
Tonight
A 40 percent chance of showers and thunderstorms, mainly before 10pm. Mostly cloudy, with a low around 70. Light and variable wind.
Wednesday
A 20 percent chance of showers and thunderstorms after 3pm. Mostly sunny, with a high near 88. Calm wind becoming north around 5 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 67. Light north wind.
Thursday
Sunny, with a high near 89. Calm wind.
Thursday Night
Mostly clear, with a low around 68.
Friday
Sunny and hot, with a high near 97.
Friday Night
Mostly clear, with a low around 73.
Saturday
Sunny and hot, with a high near 99.
Saturday Night
Mostly clear, with a low around 73.
Sunday
Sunny and hot, with a high near 99.
Sunday Night
Partly cloudy, with a low around 74.
Monday
A 20 percent chance of showers and thunderstorms. Sunny and hot, with a high near 97.
Monday Night
A 20 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Tuesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 94.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Pevely MO
 38.29°N 90.39°W (Elev. 495 ft)
Last Update:
2:36 pm CDT Aug 12, 2025
Forecast Valid:
3pm CDT Aug 12, 2025-6pm CDT Aug 19, 2025
 
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