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.

A Few Clouds

68°F

20°C

Humidity 96%
Wind Speed E 3 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Last update 5 Aug 12:53 am CDT
Extended Forecast for

Thebes IL

  • Overnight

    Overnight: Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. Calm wind.

    Low: 66 °F

    Patchy Fog

  • Tuesday

    Tuesday: Areas of fog before 8am. Otherwise, mostly sunny, with a high near 86. Light and variable wind.

    High: 86 °F

    Areas Fog
    then Mostly
    Sunny

  • Tuesday Night

    Tuesday Night: Patchy fog after 2am. Otherwise, mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Widespread dense fog, mainly before 7am. Otherwise, sunny, with a high near 89. Calm wind.

    High: 89 °F

    Dense Fog
    then Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 90. Calm wind becoming south southeast around 5 mph.

    High: 90 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 72. Light southeast wind.

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Overnight
Patchy fog after 2am. Otherwise, partly cloudy, with a low around 66. Calm wind.
Tuesday
Areas of fog before 8am. Otherwise, mostly sunny, with a high near 86. Light and variable wind.
Tuesday Night
Patchy fog after 2am. Otherwise, mostly clear, with a low around 69. Calm wind.
Wednesday
Widespread dense fog, mainly before 7am. Otherwise, sunny, with a high near 89. Calm wind.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
Sunny, with a high near 90. Calm wind.
Thursday Night
Mostly clear, with a low around 70. Calm wind.
Friday
Sunny, with a high near 90. Calm wind becoming south southeast around 5 mph.
Friday Night
Mostly clear, with a low around 72. Light southeast wind.
Saturday
Sunny, with a high near 91. Calm wind becoming south around 6 mph in the morning.
Saturday Night
Mostly clear, with a low around 72. South southeast wind 3 to 5 mph.
Sunday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south around 6 mph in the morning.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 73. Light south wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 91. Calm wind becoming south southwest around 6 mph in the morning.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.22°N 89.45°W
Last Update:
10:01 pm CDT Aug 4, 2025
Forecast Valid:
1am CDT Aug 5, 2025-6pm CDT Aug 11, 2025
 
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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