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

28°F

-2°C

Humidity 50%
Wind Speed NW 13 G 18 mph
Barometer 30.49 in
Dewpoint 11°F (-12°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 22 Feb 10:35 pm CST
Extended Forecast for

Saint Mary MO

  • Tonight

    Tonight: Mostly clear, with a low around 15. Northwest wind around 17 mph, with gusts as high as 24 mph.

    Low: 15 °F

    Mostly Clear

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 34. Northwest wind 6 to 15 mph, with gusts as high as 23 mph.

    High: 34 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 19. Calm wind becoming south 5 to 9 mph after midnight.

    Low: 19 °F

    Mostly Clear

  • Tuesday

    Tuesday: Increasing clouds, with a high near 51. South wind 10 to 18 mph, with gusts as high as 26 mph.

    High: 51 °F

    Increasing
    Clouds

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 38. Southwest wind 5 to 14 mph, with gusts as high as 22 mph.

    Low: 38 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 57.

    High: 57 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Chance Rain
    then Rain
    Likely

  • Thursday

    Thursday: A 30 percent chance of rain before noon. Mostly sunny, with a high near 54.

    High: 54 °F

    Chance Rain
    then Mostly
    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

Detailed Forecast

Tonight
Mostly clear, with a low around 15. Northwest wind around 17 mph, with gusts as high as 24 mph.
Monday
Partly sunny, then gradually becoming sunny, with a high near 34. Northwest wind 6 to 15 mph, with gusts as high as 23 mph.
Monday Night
Mostly clear, with a low around 19. Calm wind becoming south 5 to 9 mph after midnight.
Tuesday
Increasing clouds, with a high near 51. South wind 10 to 18 mph, with gusts as high as 26 mph.
Tuesday Night
Mostly cloudy, with a low around 38. Southwest wind 5 to 14 mph, with gusts as high as 22 mph.
Wednesday
Mostly sunny, with a high near 57.
Wednesday Night
A chance of rain, then rain likely and possibly a thunderstorm after midnight. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Thursday
A 30 percent chance of rain before noon. Mostly sunny, with a high near 54.
Thursday Night
Mostly clear, with a low around 28.
Friday
Sunny, with a high near 61.
Friday Night
Mostly clear, with a low around 38.
Saturday
Sunny, with a high near 65.
Saturday Night
A 20 percent chance of rain. Partly cloudy, with a low around 33.
Sunday
A 20 percent chance of rain. Partly sunny, with a high near 51.
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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:
10:26 pm CST Feb 22, 2026
Forecast Valid:
10pm CST Feb 22, 2026-6pm CST Mar 1, 2026
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation