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.

Overcast

75°F

24°C

Humidity 90%
Wind Speed Vrbl 5 mph
Barometer 29.89 in (1011.6 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 17 Jun 9:53 am CDT
Extended Forecast for

Pevely MO

  • Today

    Today: Mostly sunny, with a high near 91. Light south wind.

    High: 91 °F

    Mostly Sunny

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight.

    Low: 72 °F

    Partly Cloudy
    then Slight
    Chance
    T-storms

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms after 4pm. High near 88. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.

    High: 88 °F

    Chance
    T-storms then
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 67. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 80%.

    Low: 67 °F

    T-storms then
    Chance
    Showers

  • Juneteenth

    Juneteenth: Sunny, with a high near 87. Calm wind becoming northwest around 5 mph.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 66.

    Low: 66 °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 74.

    Low: 74 °F

    Mostly Clear

  • Saturday

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

    High: 97 °F

    Hot

Detailed Forecast

Today
Mostly sunny, with a high near 91. Light south wind.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Partly cloudy, with a low around 72. Calm wind becoming south around 5 mph after midnight.
Wednesday
A chance of showers and thunderstorms before 1pm, then showers and possibly a thunderstorm between 1pm and 4pm, then showers and thunderstorms after 4pm. High near 88. Southwest wind 6 to 10 mph, with gusts as high as 21 mph. Chance of precipitation is 80%.
Wednesday Night
Showers and thunderstorms before 10pm, then a chance of showers between 10pm and 1am. Low around 67. Southwest wind 5 to 8 mph becoming calm after midnight. Chance of precipitation is 80%.
Juneteenth
Sunny, with a high near 87. Calm wind becoming northwest around 5 mph.
Thursday Night
Mostly clear, with a low around 66.
Friday
Sunny, with a high near 92.
Friday Night
Mostly clear, with a low around 74.
Saturday
Sunny and hot, with a high near 97.
Saturday Night
Clear, with a low around 76.
Sunday
Sunny and hot, with a high near 97.
Sunday Night
Mostly clear, with a low around 75.
Monday
Sunny, with a high near 96.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pevely MO
 38.27°N 90.39°W (Elev. 456 ft)
Last Update:
9:07 am CDT Jun 17, 2025
Forecast Valid:
10am 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