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

87°F

31°C

Humidity 39%
Wind Speed NE 9 mph
Barometer 30.08 in (1018.3 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Heat Index86°F (30°C)
Last update 30 Sep 12:53 pm CDT
Extended Forecast for

Thebes IL

  • This Afternoon

    This Afternoon: Sunny, with a high near 89. North northeast wind around 8 mph.

    High: 89 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, mostly clear, with a low around 61. Light northeast wind.

    Low: 61 °F

    Mostly Clear
    then Patchy
    Fog

  • Wednesday

    Wednesday: Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming east around 6 mph in the morning.

    High: 89 °F

    Patchy Fog
    then Mostly
    Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.

    Low: 62 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. Light and variable wind.

    High: 87 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 85. Calm wind becoming south around 6 mph in the morning.

    High: 85 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 58. Calm wind.

    Low: 58 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the afternoon.

    High: 84 °F

    Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 89. North northeast wind around 8 mph.
Tonight
Patchy fog after 4am. Otherwise, mostly clear, with a low around 61. Light northeast wind.
Wednesday
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 89. Calm wind becoming east around 6 mph in the morning.
Wednesday Night
Partly cloudy, with a low around 62. East wind around 5 mph becoming calm in the evening.
Thursday
Mostly sunny, with a high near 87. Light and variable wind.
Thursday Night
Mostly clear, with a low around 62. Calm wind.
Friday
Sunny, with a high near 85. Calm wind becoming south around 6 mph in the morning.
Friday Night
Clear, with a low around 58. Calm wind.
Saturday
Sunny, with a high near 84. Calm wind becoming south southeast around 6 mph in the afternoon.
Saturday Night
Clear, with a low around 58. Light southeast wind.
Sunday
Sunny, with a high near 83. South southeast wind 3 to 7 mph.
Sunday Night
Mostly clear, with a low around 62. Light east southeast wind.
Monday
Mostly sunny, with a high near 84. Calm wind becoming southeast around 5 mph in the afternoon.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.22°N 89.45°W
Last Update:
11:45 am CDT Sep 30, 2025
Forecast Valid:
1pm CDT Sep 30, 2025-6pm CDT Oct 6, 2025
 
Forecast Discussion
 
Get as KML Get as XML

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