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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Fair

59°F

15°C

Humidity 49%
Wind Speed SW 9 G 18 mph
Barometer 30.08 in (1018.7 mb)
Dewpoint 40°F (4°C)
Visibility 10.00 mi
Last update 16 Feb 10:53 am CST
Extended Forecast for

Pevely MO

  • Washington's Birthday

    Washington's Birthday: Mostly sunny, with a high near 66. South wind around 8 mph.

    High: 66 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 42. South wind 3 to 6 mph.

    Low: 42 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 65. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 25 mph.

    High: 65 °F

    Mostly Cloudy

  • Tuesday Night

    Tuesday Night: A 20 percent chance of rain after midnight. Cloudy during the early evening, then gradual clearing, with a low around 55. South wind 10 to 14 mph, with gusts as high as 28 mph.

    Low: 55 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Wednesday

    Wednesday: Sunny, with a high near 74. Southwest wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 22 mph.

    High: 74 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 47.

    Low: 47 °F

    Mostly Clear

  • Thursday

    Thursday: A 30 percent chance of rain. Mostly sunny, with a high near 75.

    High: 75 °F

    Chance Rain

  • Thursday Night

    Thursday Night: A 20 percent chance of rain before midnight. Mostly clear, with a low around 37.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

Detailed Forecast

Washington's Birthday
Mostly sunny, with a high near 66. South wind around 8 mph.
Tonight
Partly cloudy, with a low around 42. South wind 3 to 6 mph.
Tuesday
Mostly cloudy, with a high near 65. Light south wind increasing to 6 to 11 mph in the morning. Winds could gust as high as 25 mph.
Tuesday Night
A 20 percent chance of rain after midnight. Cloudy during the early evening, then gradual clearing, with a low around 55. South wind 10 to 14 mph, with gusts as high as 28 mph.
Wednesday
Sunny, with a high near 74. Southwest wind 5 to 9 mph becoming light in the afternoon. Winds could gust as high as 22 mph.
Wednesday Night
Mostly clear, with a low around 47.
Thursday
A 30 percent chance of rain. Mostly sunny, with a high near 75.
Thursday Night
A 20 percent chance of rain before midnight. Mostly clear, with a low around 37.
Friday
Mostly sunny, with a high near 53.
Friday Night
A 20 percent chance of rain. Partly cloudy, with a low around 31.
Saturday
A 20 percent chance of rain. Mostly sunny, with a high near 50.
Saturday Night
A 30 percent chance of rain. Partly cloudy, with a low around 27.
Sunday
Sunny, with a high near 44.
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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:
10:31 am CST Feb 16, 2026
Forecast Valid:
12pm CST Feb 16, 2026-6pm CST Feb 22, 2026
 
Forecast Discussion
 
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Additional Resources

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Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation