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

26°F

-3°C

Humidity 92%
Wind Speed Calm
Barometer 30.31 in
Dewpoint 24°F (-4°C)
Visibility 10.00 mi
Last update 12 Feb 3:55 am CST
Extended Forecast for

Saint Mary MO

  • Today

    Today: Partly sunny, with a high near 54. Calm wind becoming south 5 to 8 mph in the morning.

    High: 54 °F

    Partly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 31. Southeast wind 3 to 6 mph.

    Low: 31 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 60. Calm wind becoming south 5 to 7 mph in the morning.

    High: 60 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. South wind around 5 mph becoming calm in the evening.

    Low: 37 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Saturday

    Saturday: Rain likely, mainly after noon. Cloudy, with a high near 51. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 70%.

    High: 51 °F

    Rain Likely

  • Saturday Night

    Saturday Night: Rain. Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Rain

  • Sunday

    Sunday: A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 56.

    High: 56 °F

    Chance Rain

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 35.

    Low: 35 °F

    Mostly Clear

  • Washington's Birthday

    Washington's Birthday: Sunny, with a high near 62.

    High: 62 °F

    Sunny

Detailed Forecast

Today
Partly sunny, with a high near 54. Calm wind becoming south 5 to 8 mph in the morning.
Tonight
Partly cloudy, with a low around 31. Southeast wind 3 to 6 mph.
Friday
Sunny, with a high near 60. Calm wind becoming south 5 to 7 mph in the morning.
Friday Night
A 20 percent chance of rain after midnight. Mostly cloudy, with a low around 37. South wind around 5 mph becoming calm in the evening.
Saturday
Rain likely, mainly after noon. Cloudy, with a high near 51. Calm wind becoming southeast 5 to 7 mph in the morning. Chance of precipitation is 70%.
Saturday Night
Rain. Low around 43. Chance of precipitation is 90%.
Sunday
A 40 percent chance of rain, mainly before noon. Partly sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 35.
Washington's Birthday
Sunny, with a high near 62.
Monday Night
Mostly cloudy, with a low around 45.
Tuesday
Mostly cloudy, with a high near 65.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A 20 percent chance of rain. Partly sunny, with a high near 68.
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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:
3:16 am CST Feb 12, 2026
Forecast Valid:
4am CST Feb 12, 2026-6pm CST Feb 18, 2026
 
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