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

81°F

27°C

Humidity 79%
Wind Speed E 3 mph
Barometer 29.96 in (1014.0 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 3 Sep 10:53 pm CDT
Extended Forecast for

2 Miles E Cape Girardeau MO

Extreme Heat Warning September 3, 11:10pm until September 5, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning September 3, 11:10pm until September 5, 08:00pm

    NOW until 8:00pm Sat

    Extreme Heat Warning

  • Tonight

    Low: 74 °F

    Clear

  • Friday

    Friday: Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind.

    High: 99 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. Calm wind.

    Low: 75 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.

    High: 99 °F

    Hot

  • Saturday Night

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

    Low: 72 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 96. Calm wind becoming north northeast 5 to 7 mph in the afternoon.

    High: 96 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. East northeast wind 3 to 6 mph.

    Low: 68 °F

    Mostly Clear

  • Labor Day

    Labor Day: Sunny, with a high near 93. East northeast wind 3 to 5 mph.

    High: 93 °F

    Sunny

Detailed Forecast

Tonight
Clear, with a low around 74. Calm wind.
Friday
Sunny and hot, with a high near 99. Heat index values as high as 110. Calm wind.
Friday Night
Mostly clear, with a low around 75. Calm wind.
Saturday
Sunny and hot, with a high near 99. Heat index values as high as 109. Calm wind.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 96. Calm wind becoming north northeast 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 68. East northeast wind 3 to 6 mph.
Labor Day
Sunny, with a high near 93. East northeast wind 3 to 5 mph.
Monday Night
Mostly clear, with a low around 69. Light east wind.
Tuesday
Sunny, with a high near 95. Calm wind becoming south around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 73. South southeast wind around 5 mph.
Wednesday
Sunny, with a high near 96. South southwest wind 5 to 8 mph.
Wednesday Night
Mostly clear, with a low around 74. South wind around 6 mph.
Thursday
A slight chance of showers. Mostly sunny, with a high near 94. West southwest wind 5 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles E Cape Girardeau MO
 37.31°N 89.5°W
Last Update:
10:46 pm CDT Sep 3, 2026
Forecast Valid:
11pm CDT Sep 3, 2026-6pm CDT Sep 10, 2026
 
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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