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

65°F

18°C

Humidity 97%
Wind Speed Calm
Barometer 30.11 in (1019.1 mb)
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 28 Aug 11:53 pm CDT
Extended Forecast for

Diehlstadt MO

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, mostly clear, with a low around 65. Calm wind.

    Low: 65 °F

    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind.

    High: 91 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 67. Calm wind.

    Low: 67 °F

    Increasing
    Clouds

  • Sunday

    Sunday: Sunny, with a high near 93. Calm wind becoming south southwest 5 to 9 mph in the morning.

    High: 93 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. South wind 3 to 5 mph.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 95. South southwest wind 5 to 7 mph.

    High: 95 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 74. Light south wind.

    Low: 74 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the morning.

    High: 95 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 75. Light south wind.

    Low: 75 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, mostly clear, with a low around 65. Calm wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 91. Calm wind.
Saturday Night
Increasing clouds, with a low around 67. Calm wind.
Sunday
Sunny, with a high near 93. Calm wind becoming south southwest 5 to 9 mph in the morning.
Sunday Night
Mostly clear, with a low around 72. South wind 3 to 5 mph.
Monday
Sunny, with a high near 95. South southwest wind 5 to 7 mph.
Monday Night
Mostly clear, with a low around 74. Light south wind.
Tuesday
Sunny, with a high near 95. Calm wind becoming southwest around 5 mph in the morning.
Tuesday Night
Mostly clear, with a low around 75. Light south wind.
Wednesday
Sunny, with a high near 96. Calm wind becoming southwest 5 to 7 mph in the morning.
Wednesday Night
Mostly clear, with a low around 75. Light south southwest wind.
Thursday
Sunny and hot, with a high near 97. Calm wind becoming southwest 5 to 7 mph in the morning.
Thursday Night
Mostly clear, with a low around 75. Light south wind.
Friday
A slight chance of showers and thunderstorms. Sunny, with a high near 96. Calm wind becoming west around 6 mph in the afternoon.
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ABOUT THIS FORECAST

 
Point Forecast:
Diehlstadt MO
 36.97°N 89.44°W
Last Update:
11:56 pm CDT Aug 28, 2026
Forecast Valid:
12am CDT Aug 29, 2026-6pm CDT Sep 4, 2026
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation