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

95°F

35°C

Humidity 51%
Wind Speed S 5 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 15 Aug 1:53 pm CDT
Extended Forecast for

Pevely MO

Heat Advisory August 15, 02:28pm until August 18, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 15, 02:28pm until August 18, 08:00pm

    NOW until 8:00pm Mon

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 73. Southeast wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the morning.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 74. Calm wind.

    Low: 74 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 99. Calm wind.

    High: 99 °F

    Hot

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny and hot, with a high near 100.

    High: 100 °F

    Hot

  • Monday Night

    Monday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 103. Calm wind becoming south around 5 mph.
Tonight
Mostly clear, with a low around 73. Southeast wind 3 to 5 mph.
Saturday
Sunny and hot, with a high near 97. Heat index values as high as 107. Calm wind becoming southwest around 5 mph in the morning.
Saturday Night
Mostly clear, with a low around 74. Calm wind.
Sunday
Sunny and hot, with a high near 99. Calm wind.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny and hot, with a high near 100.
Monday Night
Mostly clear, with a low around 75.
Tuesday
Sunny and hot, with a high near 99.
Tuesday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 72.
Wednesday
A 30 percent chance of showers and thunderstorms. Mostly sunny, with a high near 91.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 88.
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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:
12:26 pm CDT Aug 15, 2025
Forecast Valid:
2pm CDT Aug 15, 2025-6pm CDT Aug 21, 2025
 
Forecast Discussion
 
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Additional Resources

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Chance of Precipitation