National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Cape Girardeau, Cape Girardeau Regional Airport (KCGI)

Lat: 37.23°NLon: 89.58°WElev: 341ft.

Fair

68°F

20°C

Humidity 96%
Wind Speed E 6 mph
Barometer 30.04 in (1016.8 mb)
Dewpoint 67°F (19°C)
Visibility 9.00 mi
Last update 4 Aug 11:53 pm CDT
Extended Forecast for

Cape Girardeau MO

  • Overnight

    Overnight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.

    High: 89 °F

    Patchy Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Increasing clouds, with a low around 70. Light south southeast wind.

    Low: 70 °F

    Increasing
    Clouds

  • Thursday

    Thursday: A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Light south wind.

    High: 87 °F

    Chance
    T-storms

  • Thursday Night

    Thursday Night: Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.

    Low: 71 °F

    Partly Cloudy
    then Showers
    Likely

  • Friday

    Friday: Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%.

    High: 87 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Calm wind.

    Low: 71 °F

    Chance
    T-storms

  • Saturday

    Saturday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light south southwest wind.

    High: 89 °F

    Slight Chance
    T-storms

  • Saturday Night

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

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 66. Calm wind.
Wednesday
Patchy fog before 8am. Otherwise, sunny, with a high near 89. Calm wind becoming south around 5 mph in the afternoon.
Wednesday Night
Increasing clouds, with a low around 70. Light south southeast wind.
Thursday
A 40 percent chance of showers and thunderstorms before 1pm. Partly sunny, with a high near 87. Light south wind.
Thursday Night
Showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 71. Calm wind. Chance of precipitation is 60%.
Friday
Showers likely and possibly a thunderstorm before 1pm, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. Calm wind becoming south southwest around 5 mph in the afternoon. Chance of precipitation is 60%.
Friday Night
A 50 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 71. Calm wind.
Saturday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light south southwest wind.
Saturday Night
Mostly clear, with a low around 72. Calm wind.
Sunday
Sunny, with a high near 91. Calm wind becoming south southwest 5 to 7 mph in the morning.
Sunday Night
Mostly clear, with a low around 73. South wind 3 to 6 mph.
Monday
Sunny, with a high near 93. South southwest wind 5 to 10 mph.
Monday Night
Mostly clear, with a low around 75. South wind 6 to 9 mph.
Tuesday
Sunny, with a high near 92. South southwest wind 5 to 8 mph.
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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:
8:46 pm CDT Aug 4, 2026
Forecast Valid:
12am CDT Aug 5, 2026-6pm CDT Aug 11, 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