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.

Mostly Cloudy

72°F

22°C

Humidity 94%
Wind Speed SE 3 mph
Barometer 30.22 in (1022.8 mb)
Dewpoint 70°F (21°C)
Visibility 9.00 mi
Last update 16 Sep 6:53 am CDT
Extended Forecast for

Cape Girardeau MO

Heat Advisory September 16, 07:08am until September 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 16, 07:08am until September 19, 07:00pm

    NOW until 7:00pm Sat

    Heat Advisory

  • Today

    High: 96 °F

    Sunny

  • Tonight

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

    Low: 73 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west southwest around 6 mph.

    High: 97 °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: Mostly sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph in the afternoon.

    High: 98 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Partly Cloudy

Detailed Forecast

Today
Sunny, with a high near 96. Calm wind becoming south southwest 5 to 8 mph in the morning.
Tonight
Mostly clear, with a low around 73. Light south wind.
Thursday
Sunny and hot, with a high near 97. Heat index values as high as 105. Calm wind becoming west southwest around 6 mph.
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
Mostly sunny and hot, with a high near 98. Calm wind becoming west southwest around 5 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 71. Calm wind.
Sunday
Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 70. Light and variable wind.
Monday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 90. Calm wind becoming west northwest around 5 mph in the afternoon.
Monday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 67. North northwest wind around 5 mph becoming calm in the evening.
Tuesday
A chance of showers. Mostly sunny, with a high near 85. Light north northeast wind.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Cape Girardeau MO
 37.31°N 89.53°W
Last Update:
4:25 am CDT Sep 16, 2026
Forecast Valid:
7am CDT Sep 16, 2026-6pm CDT Sep 22, 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