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

71°F

22°C

Humidity 94%
Wind Speed Calm
Barometer 30.24 in (1023.6 mb)
Dewpoint 69°F (21°C)
Visibility 9.00 mi
Last update 17 Sep 6:53 am CDT
Extended Forecast for

Cape Girardeau Regional Airport MO

Heat Advisory September 17, 07:47am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 07:47am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 97 °F

    Hot

  • Tonight

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

    Low: 72 °F

    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 71. Light south southeast wind.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 98. Calm wind becoming west southwest 5 to 8 mph in the morning.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 71. South southwest wind 3 to 5 mph.

    Low: 71 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming west 5 to 8 mph in the morning.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Today
Sunny and hot, with a high near 97. Calm wind becoming west southwest around 6 mph.
Tonight
Clear, with a low around 72. Calm wind.
Friday
Sunny and hot, with a high near 97. Calm wind.
Friday Night
Mostly clear, with a low around 71. Light south southeast wind.
Saturday
Sunny and hot, with a high near 98. Calm wind becoming west southwest 5 to 8 mph in the morning.
Saturday Night
Mostly clear, with a low around 71. South southwest wind 3 to 5 mph.
Sunday
Sunny, with a high near 96. Calm wind becoming west 5 to 8 mph in the morning.
Sunday Night
Mostly clear, with a low around 69. 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 65. North wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 85. North wind around 6 mph.
Tuesday Night
Mostly clear, with a low around 63. North northeast wind 3 to 6 mph.
Wednesday
Mostly sunny, with a high near 84. North northeast wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cape Girardeau Regional Airport MO
 37.22°N 89.57°W
Last Update:
6:01 am CDT Sep 17, 2026
Forecast Valid:
7am CDT Sep 17, 2026-6pm CDT Sep 23, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation