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

80°F

27°C

Humidity 82%
Wind Speed Calm
Barometer 30.05 in (1017.3 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 8 Sep 7:53 pm CDT
Extended Forecast for

Cape Girardeau Regional Airport MO

Heat Advisory September 9, 11:00am until September 9, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Tonight

    Tonight: Mostly clear, with a low around 73. Light and variable wind becoming south 5 to 8 mph in the evening.

    Low: 73 °F

    Mostly Clear

  • Wednesday

    Wednesday: A 30 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97. Heat index values as high as 106. South southwest wind 8 to 11 mph.

    High: 97 °F

    Sunny then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 71. South southwest wind 6 to 8 mph. Chance of precipitation is 60%.

    Low: 71 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. High near 86. Light and variable wind becoming west northwest 5 to 7 mph in the morning. Chance of precipitation is 90%.

    High: 86 °F

    Showers

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening.

    Low: 65 °F

    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Partly Cloudy

  • Saturday

    Saturday: A chance of showers after 1pm. Sunny, with a high near 91. Calm wind becoming south southwest around 5 mph.

    High: 91 °F

    Sunny then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 73. Light and variable wind becoming south 5 to 8 mph in the evening.
Wednesday
A 30 percent chance of showers and thunderstorms after 3pm. Sunny and hot, with a high near 97. Heat index values as high as 106. South southwest wind 8 to 11 mph.
Wednesday Night
Showers and thunderstorms likely, mainly before 3am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 71. South southwest wind 6 to 8 mph. Chance of precipitation is 60%.
Thursday
Showers and possibly a thunderstorm before 10am, then showers between 10am and 1pm, then showers likely and possibly a thunderstorm after 1pm. High near 86. Light and variable wind becoming west northwest 5 to 7 mph in the morning. Chance of precipitation is 90%.
Thursday Night
A 30 percent chance of showers before 1am. Mostly cloudy, with a low around 65. North wind around 6 mph becoming calm in the evening.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86. Light and variable wind.
Friday Night
Partly cloudy, with a low around 66. Calm wind.
Saturday
A chance of showers after 1pm. Sunny, with a high near 91. Calm wind becoming south southwest around 5 mph.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 6 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 67. Light southeast wind.
Monday
Sunny, with a high near 91. South southwest wind 3 to 8 mph.
Monday Night
A slight chance of showers. Mostly clear, with a low around 67. South southeast wind around 5 mph.
Tuesday
A chance of showers and thunderstorms. Sunny, with a high near 90. Light and variable wind becoming southwest around 6 mph in the morning.
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ABOUT THIS FORECAST

 
Point Forecast:
Cape Girardeau Regional Airport MO
 37.22°N 89.57°W
Last Update:
7:21 pm CDT Sep 8, 2026
Forecast Valid:
7pm CDT Sep 8, 2026-6pm CDT Sep 15, 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