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

84°F

29°C

Humidity 48%
Wind Speed Calm
Barometer 29.92 in (1012.7 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 20 Jun 5:53 pm CDT
Extended Forecast for

Mounds IL

  • Tonight

    Tonight: Clear, with a low around 67. Calm wind.

    Low: 67 °F

    Clear

  • Sunday

    Sunday: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 88. Light south southeast wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%.

    High: 88 °F

    Chance
    T-storms then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 72. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.

    Low: 72 °F

    T-storms

  • Monday

    Monday: Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 82. West southwest wind 8 to 10 mph. Chance of precipitation is 80%.

    High: 82 °F

    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers before 1am. Partly cloudy, with a low around 64. North northwest wind 5 to 7 mph becoming calm in the evening.

    Low: 64 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: Mostly sunny, with a high near 82. Light northeast wind.

    High: 82 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Light and variable wind.

    High: 84 °F

    Slight Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 65. Calm wind.

    Low: 65 °F

    Partly Cloudy

Detailed Forecast

Tonight
Clear, with a low around 67. Calm wind.
Sunday
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 5pm. Increasing clouds, with a high near 88. Light south southeast wind becoming south southwest 10 to 15 mph in the morning. Winds could gust as high as 24 mph. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 72. South southwest wind 11 to 14 mph, with gusts as high as 22 mph. Chance of precipitation is 90%.
Monday
Showers and possibly a thunderstorm, mainly before 1pm, then a chance of showers and thunderstorms after 1pm. High near 82. West southwest wind 8 to 10 mph. Chance of precipitation is 80%.
Monday Night
A 20 percent chance of showers before 1am. Partly cloudy, with a low around 64. North northwest wind 5 to 7 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 82. Light northeast wind.
Tuesday Night
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 65. Calm wind. Chance of precipitation is 20%.
Wednesday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 84. Light and variable wind.
Wednesday Night
Partly cloudy, with a low around 65. Calm wind.
Thursday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 83. Light and variable wind.
Thursday Night
A slight chance of showers. Partly cloudy, with a low around 65. Calm wind.
Friday
A chance of showers and thunderstorms. Mostly sunny, with a high near 84. Light and variable wind.
Friday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 68. Calm wind.
Saturday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. South southwest wind 3 to 8 mph.
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ABOUT THIS FORECAST

 
Point Forecast:
Mounds IL
 37.12°N 89.21°W
Last Update:
5:51 pm CDT Jun 20, 2026
Forecast Valid:
6pm CDT Jun 20, 2026-6pm CDT Jun 27, 2026
 
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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