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

83°F

28°C

Humidity 40%
Wind Speed S 20 G 29 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 56°F (13°C)
Visibility 10.00 mi
Heat Index82°F (28°C)
Last update 15 May 1:53 pm CDT
Extended Forecast for

Thebes IL

  • This Afternoon

    This Afternoon: A slight chance of showers between 3pm and 4pm. Mostly sunny, with a high near 85. South wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.

    High: 85 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. South wind around 11 mph, with gusts as high as 21 mph.

    Low: 70 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Saturday

    Saturday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.

    High: 87 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 67. South wind 7 to 10 mph.

    Low: 67 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 89. South wind 8 to 15 mph, with gusts as high as 24 mph.

    High: 89 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 70. South wind 11 to 13 mph, with gusts as high as 21 mph.

    Low: 70 °F

    Mostly Clear

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South wind 13 to 16 mph, with gusts as high as 26 mph.

    High: 89 °F

    Mostly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 11 to 15 mph, with gusts as high as 24 mph.

    Low: 72 °F

    Chance
    T-storms

  • Tuesday

    Tuesday: Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.

    High: 84 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
A slight chance of showers between 3pm and 4pm. Mostly sunny, with a high near 85. South wind around 13 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
Tonight
A 20 percent chance of showers and thunderstorms after 4am. Mostly cloudy, with a low around 70. South wind around 11 mph, with gusts as high as 21 mph.
Saturday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 87. South southwest wind 10 to 13 mph, with gusts as high as 22 mph. Chance of precipitation is 30%.
Saturday Night
Mostly clear, with a low around 67. South wind 7 to 10 mph.
Sunday
Sunny, with a high near 89. South wind 8 to 15 mph, with gusts as high as 24 mph.
Sunday Night
Mostly clear, with a low around 70. South wind 11 to 13 mph, with gusts as high as 21 mph.
Monday
A 30 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. South wind 13 to 16 mph, with gusts as high as 26 mph.
Monday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 72. South wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday
Showers likely and possibly a thunderstorm. Partly sunny, with a high near 84. South southwest wind 11 to 15 mph, with gusts as high as 24 mph.
Tuesday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 65. South southwest wind 5 to 9 mph becoming north northwest after midnight.
Wednesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 75. North wind around 9 mph.
Wednesday Night
A chance of showers. Mostly cloudy, with a low around 58. North northeast wind 5 to 8 mph.
Thursday
A slight chance of showers and thunderstorms. Partly sunny, with a high near 76. Northeast wind around 8 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.24°N 89.45°W
Last Update:
1:26 pm CDT May 15, 2026
Forecast Valid:
2pm CDT May 15, 2026-6pm CDT May 21, 2026
 
Forecast Discussion
 
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Additional Resources

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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