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

84°F

29°C

Humidity 41%
Wind Speed S 9 mph
Barometer 30.18 in (1021.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Heat Index83°F (28°C)
Last update 3 Oct 3:53 pm CDT
Extended Forecast for

Thebes IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, clear, with a low around 59. Light south southeast wind.

    Low: 59 °F

    Clear then
    Patchy Fog

  • Saturday

    Saturday: Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming southeast 5 to 7 mph in the afternoon.

    High: 86 °F

    Patchy Fog
    then Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. Light southeast wind.

    Low: 57 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 86. South southeast wind 3 to 8 mph.

    High: 86 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.

    Low: 64 °F

    Mostly Clear

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 30%.

    High: 83 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Light east wind.

    Low: 64 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.

    High: 82 °F

    Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 87. Calm wind.
Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 59. Light south southeast wind.
Saturday
Patchy fog before 8am. Otherwise, sunny, with a high near 86. Calm wind becoming southeast 5 to 7 mph in the afternoon.
Saturday Night
Clear, with a low around 57. Light southeast wind.
Sunday
Sunny, with a high near 86. South southeast wind 3 to 8 mph.
Sunday Night
Mostly clear, with a low around 64. Southeast wind around 5 mph becoming calm in the evening.
Monday
A chance of showers, with thunderstorms also possible after 1pm. Mostly sunny, with a high near 83. Calm wind becoming south southeast around 6 mph in the morning. Chance of precipitation is 30%.
Monday Night
A slight chance of showers, then a chance of showers and thunderstorms after 1am. Mostly cloudy, with a low around 64. Light east wind.
Tuesday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Calm wind becoming north around 6 mph in the afternoon.
Tuesday Night
A slight chance of showers. Mostly cloudy, with a low around 61. North northeast wind around 7 mph.
Wednesday
Mostly sunny, with a high near 77. North northeast wind around 9 mph.
Wednesday Night
Mostly clear, with a low around 56. Northeast wind around 7 mph.
Thursday
Sunny, with a high near 76. East northeast wind around 7 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.24°N 89.45°W
Last Update:
4:02 pm CDT Oct 3, 2025
Forecast Valid:
4pm CDT Oct 3, 2025-6pm CDT Oct 9, 2025
 
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Additional Resources

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High Temperature

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Chance of Precipitation