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

Hazardous Weather Conditions

Current conditions at

Perryville Regional Airport (KPCD)

Lat: 37.87°NLon: 89.86°WElev: 372ft.

Fair

78°F

26°C

Humidity 43%
Wind Speed NE 9 mph
Barometer 30.03 in
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 May 6:15 pm CDT
Extended Forecast for

Saint Mary MO

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 59. Northeast wind around 6 mph becoming calm in the evening.

    Low: 59 °F

    Chance
    T-storms

  • Monday

    Monday: Showers likely and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Cloudy, with a high near 73. East wind 3 to 8 mph. Chance of precipitation is 70%.

    High: 73 °F

    Showers
    Likely then
    T-storms
    Likely

  • Monday Night

    Monday Night: Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.

    Low: 58 °F

    T-storms
    Likely then
    Slight Chance
    Showers and
    Patchy Fog

  • Tuesday

    Tuesday: A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Light south wind. Chance of precipitation is 60%.

    High: 77 °F

    Chance
    Showers and
    Patchy Fog
    then Showers
    Likely

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 61. Light south wind.

    Low: 61 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 91.

    High: 91 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.

    Low: 66 °F

    Slight Chance
    T-storms

Detailed Forecast

Tonight
A 40 percent chance of showers and thunderstorms, mainly after 1am. Increasing clouds, with a low around 59. Northeast wind around 6 mph becoming calm in the evening.
Monday
Showers likely and possibly a thunderstorm before 4pm, then showers and thunderstorms likely after 4pm. Cloudy, with a high near 73. East wind 3 to 8 mph. Chance of precipitation is 70%.
Monday Night
Showers and thunderstorms likely before 11pm, then a slight chance of showers between 11pm and 1am. Patchy fog after 3am. Otherwise, increasing clouds, with a low around 58. East wind around 5 mph becoming calm in the evening. Chance of precipitation is 60%.
Tuesday
A chance of showers before 10am, then a chance of showers and thunderstorms between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. Patchy fog before 8am. Otherwise, cloudy, then gradually becoming mostly sunny, with a high near 77. Light south wind. Chance of precipitation is 60%.
Tuesday Night
Mostly clear, with a low around 61. Light south wind.
Wednesday
Sunny, with a high near 84.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 91.
Thursday Night
A 20 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 66.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Friday Night
A 40 percent chance of showers and thunderstorms. Partly cloudy, with a low around 61.
Saturday
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a high near 81.
Saturday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 60.
Sunday
A 40 percent chance of showers. Partly sunny, with a high near 79.
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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:
6:07 pm CDT May 11, 2025
Forecast Valid:
6pm CDT May 11, 2025-6pm CDT May 18, 2025
 
Forecast Discussion
 
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Additional Resources

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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