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

70°F

21°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 30.23 in (1023.1 mb)
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 17 Sep 5:53 am CDT
Extended Forecast for

Cape Girardeau MO

Heat Advisory September 17, 06:32am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 06:32am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 98 °F

    Hot

  • Tonight

    Tonight: Mostly clear, with a low around 73. Calm wind.

    Low: 73 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. Calm wind.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph.

    High: 97 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 96. Light west wind.

    High: 96 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 98. Light west southwest wind.
Tonight
Mostly clear, with a low around 73. Calm wind.
Friday
Sunny and hot, with a high near 97. Calm wind.
Friday Night
Mostly clear, with a low around 72. Calm wind.
Saturday
Sunny and hot, with a high near 97. Calm wind becoming west southwest around 5 mph.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Mostly sunny, with a high near 96. Light west wind.
Sunday Night
Mostly clear, with a low around 71. Calm wind.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 67. Light north wind.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 85. North wind around 5 mph.
Tuesday Night
Mostly clear, with a low around 64. North northeast wind 3 to 5 mph.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 3 to 5 mph.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Cape Girardeau MO
 37.31°N 89.53°W
Last Update:
6:01 am CDT Sep 17, 2026
Forecast Valid:
6am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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