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

94°F

34°C

Humidity 54%
Wind Speed E 8 mph
Barometer 29.97 in
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 17 Aug 4:55 pm CDT
Extended Forecast for

Longtown MO

Heat Advisory August 17, 05:15pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 05:15pm until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • This Afternoon

    High: 94 °F

    Slight Chance
    T-storms

  • Tonight

    Tonight: A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Calm wind.

    Low: 73 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 105. Light south southeast wind.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Light southeast wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Calm wind becoming west northwest around 5 mph in the afternoon.

    High: 96 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 89. North wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 89 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. North wind 6 to 9 mph.

    Low: 67 °F

    Partly Cloudy

Detailed Forecast

This Afternoon
A 20 percent chance of showers and thunderstorms. Mostly sunny, with a steady temperature around 94. Light east southeast wind.
Tonight
A 10 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 73. Calm wind.
Monday
Sunny, with a high near 96. Heat index values as high as 105. Light south southeast wind.
Monday Night
Mostly clear, with a low around 74. Light southeast wind.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 96. Calm wind becoming west northwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. West wind around 5 mph becoming calm in the evening. Chance of precipitation is 40%.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 89. North wind 5 to 9 mph. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 67. North wind 6 to 9 mph.
Thursday
Mostly sunny, with a high near 86. North wind 6 to 10 mph.
Thursday Night
Mostly clear, with a low around 66. North wind 3 to 8 mph.
Friday
Sunny, with a high near 88. North wind 3 to 6 mph.
Friday Night
Mostly clear, with a low around 67. North wind around 6 mph becoming calm in the evening.
Saturday
Sunny, with a high near 89. Calm wind becoming north around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. North wind around 6 mph.
Sunday
Sunny, with a high near 83. North northwest wind 6 to 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Longtown MO
 37.67°N 89.77°W
Last Update:
4:31 pm CDT Aug 17, 2025
Forecast Valid:
5pm CDT Aug 17, 2025-6pm CDT Aug 24, 2025
 
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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