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.

Fair

81°F

27°C

Humidity 82%
Wind Speed SE 6 mph
Barometer 29.99 in (1015.0 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 26 Jul 11:53 pm CDT
Extended Forecast for

Pevely MO

Extreme Heat Warning July 27, 12:39am until July 29, 07:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning July 27, 12:39am until July 29, 07:00pm

    NOW until 7:00pm Tue

    Extreme Heat Warning

  • Overnight

    Low: 76 °F

    Isolated
    T-storms

  • Sunday

    Sunday: Scattered showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 94. Heat index values as high as 109. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.

    High: 94 °F

    Scattered
    Showers then
    Scattered
    T-storms

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly sunny and hot, with a high near 97. Heat index values as high as 112. Light west wind.

    High: 97 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 76. Calm wind.

    Low: 76 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 77.

    Low: 77 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97.

    High: 97 °F

    Sunny then
    Chance
    T-storms

Detailed Forecast

Overnight
Isolated showers before 1am, then isolated showers and thunderstorms between 1am and 4am, then isolated showers after 4am. Mostly cloudy, with a low around 76. South wind 3 to 5 mph. Chance of precipitation is 20%.
Sunday
Scattered showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 94. Heat index values as high as 109. Southwest wind 3 to 5 mph. Chance of precipitation is 40%.
Sunday Night
Mostly cloudy, with a low around 76. Calm wind.
Monday
Mostly sunny and hot, with a high near 97. Heat index values as high as 112. Light west wind.
Monday Night
Mostly clear, with a low around 76. Calm wind.
Tuesday
Sunny and hot, with a high near 98.
Tuesday Night
Mostly clear, with a low around 77.
Wednesday
A 30 percent chance of showers and thunderstorms after 1pm. Mostly sunny and hot, with a high near 97.
Wednesday Night
A 40 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 72.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly cloudy, with a high near 86.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 63.
Saturday
Mostly sunny, with a high near 83.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Pevely MO
 38.29°N 90.39°W (Elev. 495 ft)
Last Update:
10:31 pm CDT Jul 26, 2025
Forecast Valid:
12am CDT Jul 27, 2025-6pm CDT Aug 2, 2025
 
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