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.

Overcast

36°F

2°C

Humidity 50%
Wind Speed SE 12 mph
Barometer 30.17 in (1022.0 mb)
Dewpoint 19°F (-7°C)
Visibility 10.00 mi
Wind Chill28°F (-2°C)
Last update 18 Mar 12:53 am CDT
Extended Forecast for

Thebes IL

  • Overnight

    Overnight: Mostly cloudy, with a low around 34. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.

    High: 62 °F

    Becoming
    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43. South wind 3 to 6 mph.

    Low: 43 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, then gradually becoming sunny, with a high near 72. South southwest wind 3 to 6 mph.

    High: 72 °F

    Decreasing
    Clouds

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 50. Light and variable wind.

    Low: 50 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 77. Calm wind becoming west southwest 5 to 7 mph in the afternoon.

    High: 77 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 55. South southwest wind around 5 mph.

    Low: 55 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 80. West wind 3 to 7 mph.

    High: 80 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 57. South southwest wind around 7 mph.

    Low: 57 °F

    Clear

Detailed Forecast

Overnight
Mostly cloudy, with a low around 34. South southeast wind 5 to 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly cloudy through mid morning, then gradual clearing, with a high near 62. Southwest wind 10 to 14 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 43. South wind 3 to 6 mph.
Thursday
Mostly cloudy, then gradually becoming sunny, with a high near 72. South southwest wind 3 to 6 mph.
Thursday Night
Mostly clear, with a low around 50. Light and variable wind.
Friday
Sunny, with a high near 77. Calm wind becoming west southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 55. South southwest wind around 5 mph.
Saturday
Sunny, with a high near 80. West wind 3 to 7 mph.
Saturday Night
Clear, with a low around 57. South southwest wind around 7 mph.
Sunday
Sunny, with a high near 82. Southwest wind 7 to 13 mph, with gusts as high as 22 mph.
Sunday Night
Partly cloudy, with a low around 42. Northwest wind 11 to 13 mph becoming north northeast after midnight. Winds could gust as high as 20 mph.
Monday
Mostly cloudy, with a high near 57. North northeast wind around 11 mph, with gusts as high as 20 mph.
Monday Night
Mostly cloudy, with a low around 39. Northeast wind 6 to 8 mph.
Tuesday
A slight chance of showers. Partly sunny, with a high near 62. East wind 6 to 8 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Thebes IL
 37.22°N 89.45°W
Last Update:
12:21 am CDT Mar 18, 2026
Forecast Valid:
1am CDT Mar 18, 2026-6pm CDT Mar 24, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation