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

77°F

25°C

Humidity 77%
Wind Speed Calm
Barometer 30.22 in (1023.0 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 17 Sep 12:53 am CDT
Extended Forecast for

Cape Girardeau MO

Heat Advisory September 17, 01:51am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 01:51am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Overnight

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 98. Heat index values as high as 105. Light west southwest wind.

    High: 98 °F

    Hot

  • Thursday Night

    Thursday Night: 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

Detailed Forecast

Overnight
Mostly clear, with a low around 73. Calm wind.
Thursday
Sunny and hot, with a high near 98. Heat index values as high as 105. Light west southwest wind.
Thursday Night
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. Mostly cloudy, with a low around 66. Light north wind.
Tuesday
A slight chance of showers. Mostly sunny, with a high near 85. North wind 3 to 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.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cape Girardeau MO
 37.31°N 89.56°W
Last Update:
1:26 am CDT Sep 17, 2026
Forecast Valid:
1am 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