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

77°F

25°C

Humidity 87%
Wind Speed SE 3 mph
Barometer 30.04 in
Dewpoint 73°F (23°C)
Visibility 10.00 mi
Heat Index78°F (26°C)
Last update 15 Aug 4:35 am CDT
Extended Forecast for

Longtown MO

Extreme Heat Warning August 15, 04:49am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 04:49am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Today

    High: 96 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 75. South southwest wind 3 to 7 mph.

    Low: 75 °F

    Clear

  • Sunday

    Sunday: Mostly sunny and hot, with a high near 97. Heat index values as high as 107. West wind around 6 mph.

    High: 97 °F

    Hot

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light and variable wind becoming north northwest around 6 mph in the evening. Chance of precipitation is 40%.

    Low: 72 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 86. North wind around 7 mph.

    High: 86 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.

    Low: 67 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 72. Calm wind becoming south 5 to 8 mph in the evening.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 96. Heat index values as high as 106. South southwest wind around 6 mph becoming west in the morning.
Tonight
Clear, with a low around 75. South southwest wind 3 to 7 mph.
Sunday
Mostly sunny and hot, with a high near 97. Heat index values as high as 107. West wind around 6 mph.
Sunday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 72. Light and variable wind becoming north northwest around 6 mph in the evening. Chance of precipitation is 40%.
Monday
Mostly sunny, with a high near 86. North wind around 7 mph.
Monday Night
Partly cloudy, with a low around 67. North northeast wind around 5 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind.
Tuesday Night
Mostly clear, with a low around 72. Calm wind becoming south 5 to 8 mph in the evening.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 93. South southwest wind 8 to 11 mph becoming west northwest in the afternoon. Winds could gust as high as 18 mph.
Wednesday Night
A chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 69. North wind 7 to 9 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 83. North northeast wind around 7 mph.
Thursday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 64. North northeast wind around 6 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 82. Northeast wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Longtown MO
 37.67°N 89.77°W
Last Update:
3:21 am CDT Aug 15, 2026
Forecast Valid:
4am CDT Aug 15, 2026-6pm CDT Aug 21, 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