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

92°F

33°C

Humidity 62%
Wind Speed SW 9 mph
Barometer 29.98 in (1014.8 mb)
Dewpoint 77°F (25°C)
Visibility 10.00 mi
Heat Index106°F (41°C)
Last update 11 Aug 1:53 pm CDT
Extended Forecast for

Charleston MO

Heat Advisory August 11, 02:20pm until August 13, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 11, 02:20pm until August 13, 08:00pm

    NOW until 8:00pm Thu

    Heat Advisory

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 76. South southwest wind 6 to 8 mph.

    Low: 76 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 94. Heat index values as high as 106. Southwest wind 6 to 10 mph.

    High: 94 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 77. South southwest wind around 7 mph.

    Low: 77 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 95. Southwest wind 7 to 11 mph.

    High: 95 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. South southwest wind around 7 mph.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: Sunny and hot, with a high near 97. West southwest wind 5 to 8 mph.

    High: 97 °F

    Hot

  • Friday Night

    Friday Night: Mostly clear, with a low around 75. South wind 3 to 6 mph.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 107. Southwest wind around 11 mph.
Tonight
Mostly clear, with a low around 76. South southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 94. Heat index values as high as 106. Southwest wind 6 to 10 mph.
Wednesday Night
Mostly clear, with a low around 77. South southwest wind around 7 mph.
Thursday
Mostly sunny, with a high near 95. Southwest wind 7 to 11 mph.
Thursday Night
Mostly clear, with a low around 77. South southwest wind around 7 mph.
Friday
Sunny and hot, with a high near 97. West southwest wind 5 to 8 mph.
Friday Night
Mostly clear, with a low around 75. South wind 3 to 6 mph.
Saturday
Sunny and hot, with a high near 98. Southwest wind 3 to 8 mph.
Saturday Night
Mostly clear, with a low around 76. South southwest wind around 6 mph.
Sunday
Sunny and hot, with a high near 99. Light south southwest wind becoming west 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 76. Southwest wind 5 to 8 mph becoming light and variable in the evening.
Monday
A slight chance of showers and thunderstorms. Sunny, with a high near 95. North wind 3 to 6 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Charleston MO
 36.92°N 89.33°W
Last Update:
1:26 pm CDT Aug 11, 2026
Forecast Valid:
2pm CDT Aug 11, 2026-6pm CDT Aug 17, 2026
 
Forecast Discussion
 
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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