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

81°F

27°C

Humidity 82%
Wind Speed SW 6 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 75°F (24°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 27 Jun 8:53 am CDT
Extended Forecast for

Thebes IL

Heat Advisory June 27, 09:04am until June 27, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory June 27, 09:04am until June 27, 07:00pm

    NOW until 7:00pm Fri

    Heat Advisory

  • Today

    High: 94 °F

    Partly Sunny

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 74. West wind around 6 mph becoming calm in the evening.

    Low: 74 °F

    Chance
    T-storms

  • Saturday

    Saturday: A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 91 °F

    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74. Light south southwest wind.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Sunday

    Sunday: Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 70%.

    High: 90 °F

    Chance
    T-storms then
    T-storms
    Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.

    Low: 73 °F

    Chance
    T-storms

  • Monday

    Monday: Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 90. West southwest wind 3 to 6 mph. Chance of precipitation is 70%.

    High: 90 °F

    T-storms
    Likely

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 72. West southwest wind around 5 mph becoming calm in the evening.

    Low: 72 °F

    Chance
    T-storms

Detailed Forecast

Today
Partly sunny, with a high near 94. Southwest wind 5 to 8 mph.
Tonight
A 40 percent chance of showers and thunderstorms, mainly after 7pm. Mostly cloudy, with a low around 74. West wind around 6 mph becoming calm in the evening.
Saturday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 91. Calm wind becoming southwest around 5 mph in the afternoon.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly before 1am. Mostly cloudy, with a low around 74. Light south southwest wind.
Sunday
Showers and thunderstorms likely, mainly between 1pm and 4pm, then showers likely and possibly a thunderstorm after 4pm. Partly sunny, with a high near 90. Calm wind becoming south southwest around 6 mph in the afternoon. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers and thunderstorms, mainly after 1am. Mostly cloudy, with a low around 73. South southwest wind around 5 mph becoming calm in the evening.
Monday
Showers and thunderstorms likely, mainly after 1pm. Mostly cloudy, with a high near 90. West southwest wind 3 to 6 mph. Chance of precipitation is 70%.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Mostly cloudy, with a low around 72. West southwest wind around 5 mph becoming calm in the evening.
Tuesday
A slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming north around 5 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 69. Light north wind.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 89. Light and variable wind.
Wednesday Night
Mostly clear, with a low around 70. Calm wind.
Thursday
A slight chance of showers and thunderstorms. Sunny, with a high near 90. Calm wind becoming south around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.22°N 89.45°W
Last Update:
8:00 am CDT Jun 27, 2025
Forecast Valid:
9am CDT Jun 27, 2025-6pm CDT Jul 3, 2025
 
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