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.

N/A

Humidity NA
Wind Speed NA
Barometer NA
Dewpoint N/A
Visibility NA
Last update *** Not a current observation ***
Extended Forecast for

Thebes IL

  • Today

    Today: Sunny, with a high near 85. Light and variable wind.

    High: 85 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 60. Calm wind.

    Low: 60 °F

    Mostly Clear

  • Columbus Day

    Columbus Day: Sunny, with a high near 90. Light south southwest wind becoming southwest 5 to 10 mph in the morning.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 65. Southwest wind around 6 mph.

    Low: 65 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 91. Southwest wind 5 to 9 mph.

    High: 91 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69. South southwest wind 3 to 5 mph.

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 60%.

    High: 87 °F

    Chance
    T-storms then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light and variable wind.

    Low: 66 °F

    Chance
    Showers

  • Thursday

    Thursday: A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. East wind 5 to 9 mph becoming south southwest in the afternoon.

    High: 84 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 85. Light and variable wind.
Tonight
Mostly clear, with a low around 60. Calm wind.
Columbus Day
Sunny, with a high near 90. Light south southwest wind becoming southwest 5 to 10 mph in the morning.
Monday Night
Clear, with a low around 65. Southwest wind around 6 mph.
Tuesday
Sunny, with a high near 91. Southwest wind 5 to 9 mph.
Tuesday Night
Mostly clear, with a low around 69. South southwest wind 3 to 5 mph.
Wednesday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1pm. Mostly sunny, with a high near 87. Calm wind becoming west around 6 mph in the morning. Chance of precipitation is 60%.
Wednesday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 66. Light and variable wind.
Thursday
A chance of showers, with thunderstorms also possible after 1pm. Partly sunny, with a high near 84. East wind 5 to 9 mph becoming south southwest in the afternoon.
Thursday Night
A chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 58. West wind 5 to 7 mph.
Friday
A slight chance of showers. Partly sunny, with a high near 72. North northwest wind 9 to 15 mph, with gusts as high as 21 mph.
Friday Night
Partly cloudy, with a low around 46. North northwest wind 9 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 63. North wind 9 to 11 mph, with gusts as high as 18 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.22°N 89.45°W
Last Update:
4:56 am CDT Oct 11, 2026
Forecast Valid:
6am CDT Oct 11, 2026-6pm CDT Oct 17, 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