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.

Mostly Cloudy

75°F

24°C

Humidity 88%
Wind Speed Calm
Barometer 29.85 in (1010.3 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 11 Sep 7:53 pm CDT
Extended Forecast for

Thebes IL

  • Tonight

    Tonight: A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.

    Low: 68 °F

    Chance
    T-storms

  • Saturday

    Saturday: Mostly sunny, with a high near 89. Light and variable wind.

    High: 89 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 68. Calm wind.

    Low: 68 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind.

    High: 91 °F

    Decreasing
    Clouds

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 68. Light east northeast wind.

    Low: 68 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 90. Light and variable wind becoming east around 5 mph in the afternoon.

    High: 90 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 69. East southeast wind 3 to 5 mph.

    Low: 69 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.

    High: 94 °F

    Sunny

  • Tuesday Night

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

    Low: 72 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers and thunderstorms before 2am, then a slight chance of showers between 2am and 3am. Mostly cloudy, with a low around 68. Calm wind. Chance of precipitation is 40%.
Saturday
Mostly sunny, with a high near 89. Light and variable wind.
Saturday Night
Partly cloudy, with a low around 68. Calm wind.
Sunday
Mostly cloudy, then gradually becoming sunny, with a high near 91. Calm wind.
Sunday Night
Mostly clear, with a low around 68. Light east northeast wind.
Monday
Sunny, with a high near 90. Light and variable wind becoming east around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 69. East southeast wind 3 to 5 mph.
Tuesday
Sunny, with a high near 94. Calm wind becoming south southwest around 6 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 72. Calm wind.
Wednesday
Sunny, with a high near 94. Calm wind becoming south southwest around 5 mph.
Wednesday Night
Mostly clear, with a low around 72. Calm wind.
Thursday
A chance of showers and thunderstorms. Sunny, with a high near 90. Calm wind becoming west southwest around 6 mph in the morning.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 69. East northeast wind 3 to 5 mph.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 88. North northeast wind 5 to 7 mph becoming west southwest in the afternoon.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.22°N 89.45°W
Last Update:
5:06 pm CDT Sep 11, 2026
Forecast Valid:
8pm CDT Sep 11, 2026-6pm CDT Sep 18, 2026
 
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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