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

Hazardous Weather Conditions

Current conditions at

Cape Girardeau, Cape Girardeau Regional Airport (KCGI)

Lat: 37.23°NLon: 89.58°WElev: 341ft.

Fair

83°F

28°C

Humidity 65%
Wind Speed Calm
Barometer 30.26 in (1024.2 mb)
Dewpoint 70°F (21°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 17 Sep 8:53 am CDT
Extended Forecast for

5 Miles W Glenallen MO

Heat Advisory September 17, 09:16am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 09:16am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 72. Calm wind.

    Low: 72 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 95. Light and variable wind.

    High: 95 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 69. Light west southwest wind.

    Low: 69 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 94. West wind 3 to 5 mph.

    High: 94 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. Light north northeast wind.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 95. West southwest wind around 5 mph becoming calm in the afternoon.
Tonight
Clear, with a low around 72. Calm wind.
Friday
Sunny, with a high near 95. Light and variable wind.
Friday Night
Mostly clear, with a low around 70. Calm wind.
Saturday
Sunny, with a high near 96. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 69. Light west southwest wind.
Sunday
Mostly sunny, with a high near 94. West wind 3 to 5 mph.
Sunday Night
Mostly clear, with a low around 69. Light north northeast wind.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 89. North wind 3 to 6 mph.
Monday Night
A chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 64. North wind around 5 mph.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 83. North northeast wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 62. North northeast wind around 6 mph.
Wednesday
Mostly sunny, with a high near 82. Northeast wind around 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles W Glenallen MO
 37.3°N 90.12°W
Last Update:
8:06 am CDT Sep 17, 2026
Forecast Valid:
9am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
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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