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

84°F

29°C

Humidity 83%
Wind Speed Calm
Barometer 29.99 in
Dewpoint 78°F (26°C)
Visibility 10.00 mi
Heat Index95°F (35°C)
Last update 22 Jul 9:15 pm CDT
Extended Forecast for

Saint Mary MO

Heat Advisory July 22, 09:32pm until July 24, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory July 22, 09:32pm until July 24, 07:00pm

    NOW until 7:00pm Thu

    Heat Advisory

  • Tonight

    Low: 76 °F

    Partly Cloudy
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 96. Heat index values as high as 110. South wind 3 to 7 mph.

    High: 96 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South wind 3 to 6 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 110. South wind 3 to 7 mph.

    High: 97 °F

    Hot

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South wind 5 to 7 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 95.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 76.

    Low: 76 °F

    Partly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.

    High: 95 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

Detailed Forecast

Tonight
Patchy fog after 5am. Otherwise, partly cloudy, with a low around 76. Southeast wind 3 to 5 mph.
Wednesday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 96. Heat index values as high as 110. South wind 3 to 7 mph.
Wednesday Night
Mostly clear, with a low around 77. South wind 3 to 6 mph.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 110. South wind 3 to 7 mph.
Thursday Night
Mostly clear, with a low around 77. South wind 5 to 7 mph.
Friday
Sunny, with a high near 95.
Friday Night
Partly cloudy, with a low around 76.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95.
Saturday Night
Partly cloudy, with a low around 76.
Sunday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96.
Sunday Night
Mostly clear, with a low around 76.
Monday
Sunny and hot, with a high near 97.
Monday Night
Mostly clear, with a low around 76.
Tuesday
Sunny and hot, with a high near 98.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Saint Mary MO
 37.88°N 89.95°W (Elev. 400 ft)
Last Update:
7:51 pm CDT Jul 22, 2025
Forecast Valid:
9pm CDT Jul 22, 2025-6pm CDT Jul 29, 2025
 
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