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.

Fair

91°F

33°C

Humidity 70%
Wind Speed SW 10 mph
Barometer 30.04 in (1016.8 mb)
Dewpoint 80°F (27°C)
Visibility 10.00 mi
Heat Index109°F (43°C)
Last update 30 Jun 2:53 pm CDT
Extended Forecast for

Thebes IL

Extreme Heat Warning June 30, 03:48pm until July 3, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning June 30, 03:48pm until July 3, 08:00pm

    NOW until 8:00pm Fri

    Extreme Heat Warning

  • This Afternoon

    High: 95 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 74. South southwest wind around 5 mph becoming calm in the evening.

    Low: 74 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming south around 6 mph in the afternoon.

    High: 95 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. Light south wind.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 94. Light and variable wind.

    High: 94 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 77. Calm wind.

    Low: 77 °F

    Mostly Clear

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Light and variable wind.

    High: 95 °F

    Sunny then
    Slight Chance
    T-storms

  • Friday Night

    Friday Night: A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Light and variable wind.

    Low: 75 °F

    Slight Chance
    T-storms

Detailed Forecast

This Afternoon
Sunny, with a high near 95. Heat index values as high as 110. Calm wind becoming south southwest around 5 mph.
Tonight
Clear, with a low around 74. South southwest wind around 5 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 95. Heat index values as high as 106. Calm wind becoming south around 6 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 76. Light south wind.
Thursday
Sunny, with a high near 94. Light and variable wind.
Thursday Night
Mostly clear, with a low around 77. Calm wind.
Friday
A 20 percent chance of showers and thunderstorms after 1pm. Sunny, with a high near 95. Light and variable wind.
Friday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 75. Light and variable wind.
Independence Day
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 94. Light and variable wind.
Saturday Night
A chance of showers and thunderstorms, mainly before 1am. Partly cloudy, with a low around 75. Calm wind.
Sunday
A chance of showers and thunderstorms. Mostly sunny, with a high near 93. Light and variable wind.
Sunday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 75. Calm wind.
Monday
A chance of showers and thunderstorms. Mostly sunny, with a high near 92. Light and variable wind.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.22°N 89.45°W
Last Update:
2:20 pm CDT Jun 30, 2026
Forecast Valid:
3pm CDT Jun 30, 2026-6pm CDT Jul 6, 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