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

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

Fair

85°F

29°C

Humidity 60%
Wind Speed SW 9 mph
Barometer 29.91 in
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index89°F (32°C)
Last update 15 Oct 4:55 pm CDT
Extended Forecast for

Saint Mary MO

  • This Afternoon

    This Afternoon: A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southwest wind around 10 mph.

    High: 86 °F

    Chance
    T-storms

  • Tonight

    Tonight: Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 46. Southwest wind 7 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.

    Low: 46 °F

    Showers
    Likely

  • Friday

    Friday: Cloudy, then gradually becoming mostly sunny, with a high near 58. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 28 mph.

    High: 58 °F

    Decreasing
    Clouds and
    Breezy

  • Friday Night

    Friday Night: Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North wind 10 to 16 mph, with gusts as high as 24 mph.

    Low: 37 °F

    Decreasing
    Clouds

  • Saturday

    Saturday: Sunny, with a high near 60. North wind 5 to 8 mph.

    High: 60 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 33.

    Low: 33 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 67.

    High: 67 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

Detailed Forecast

This Afternoon
A 50 percent chance of showers and thunderstorms. Mostly sunny, with a high near 86. Southwest wind around 10 mph.
Tonight
Showers and thunderstorms likely before 3am, then a chance of showers. Increasing clouds, with a low around 46. Southwest wind 7 to 16 mph becoming northwest after midnight. Winds could gust as high as 25 mph. Chance of precipitation is 60%.
Friday
Cloudy, then gradually becoming mostly sunny, with a high near 58. Breezy, with a northwest wind 15 to 21 mph, with gusts as high as 28 mph.
Friday Night
Mostly cloudy, then gradually becoming mostly clear, with a low around 37. North wind 10 to 16 mph, with gusts as high as 24 mph.
Saturday
Sunny, with a high near 60. North wind 5 to 8 mph.
Saturday Night
Clear, with a low around 33.
Sunday
Sunny, with a high near 67.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 72.
Monday Night
Partly cloudy, with a low around 40.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Sunny, with a high near 79.
Wednesday Night
Mostly clear, with a low around 46.
Thursday
Sunny, with a high near 81.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Saint Mary MO
 37.88°N 89.95°W (Elev. 400 ft)
Last Update:
2:26 pm CDT Oct 15, 2026
Forecast Valid:
5pm CDT Oct 15, 2026-6pm CDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation