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

80°F

27°C

Humidity 82%
Wind Speed S 7 mph
Barometer 30.06 in (1017.6 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 15 Aug 12:53 am CDT
Extended Forecast for

Mounds IL

Extreme Heat Warning August 15, 01:26am until August 16, 08:00pm
Click here for hazard details and duration
Extreme Heat Warning
  •  
    Extreme Heat Warning August 15, 01:26am until August 16, 08:00pm

    NOW until 8:00pm Sun

    Extreme Heat Warning

  • Overnight

    Low: 75 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Heat index values as high as 107. West southwest wind 3 to 7 mph.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Clear, with a low around 76. South southwest wind 3 to 5 mph.

    Low: 76 °F

    Clear

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Heat index values as high as 112. West southwest wind 3 to 6 mph.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Light and variable wind.

    Low: 75 °F

    Chance
    T-storms then
    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. North wind 3 to 6 mph.

    High: 90 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Partly cloudy, with a low around 69. Light north wind.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 90. Calm wind.

    High: 90 °F

    Sunny

Detailed Forecast

Overnight
Clear, with a low around 75. Light south southwest wind.
Saturday
Sunny, with a high near 96. Heat index values as high as 107. West southwest wind 3 to 7 mph.
Saturday Night
Clear, with a low around 76. South southwest wind 3 to 5 mph.
Sunday
Sunny and hot, with a high near 98. Heat index values as high as 112. West southwest wind 3 to 6 mph.
Sunday Night
A 30 percent chance of showers and thunderstorms before 1am. Partly cloudy, with a low around 75. Light and variable wind.
Monday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Mostly sunny, with a high near 90. North wind 3 to 6 mph.
Monday Night
Partly cloudy, with a low around 69. Light north wind.
Tuesday
Sunny, with a high near 90. Calm wind.
Tuesday Night
Mostly clear, with a low around 73. Light and variable wind.
Wednesday
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 95. South southwest wind 5 to 9 mph becoming west in the afternoon.
Wednesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. North wind 5 to 8 mph.
Thursday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 87. North wind around 6 mph.
Thursday Night
A slight chance of showers and thunderstorms. Mostly clear, with a low around 66. Northeast wind 3 to 6 mph.
Friday
A slight chance of showers and thunderstorms. Mostly sunny, with a high near 85. Northeast wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mounds IL
 37.12°N 89.21°W
Last Update:
1:16 am CDT Aug 15, 2026
Forecast Valid:
1am CDT Aug 15, 2026-6pm CDT Aug 21, 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