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

91°F

33°C

Humidity 57%
Wind Speed SE 6 mph
Barometer 29.97 in (1014.4 mb)
Dewpoint 74°F (23°C)
Visibility 10.00 mi
Heat Index100°F (38°C)
Last update 17 Aug 5:53 pm CDT
Extended Forecast for

4 Miles SSW Glenallen MO

Heat Advisory August 17, 06:50pm until August 19, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 17, 06:50pm until August 19, 07:00pm

    NOW until 7:00pm Tue

    Heat Advisory

  • Tonight

    Low: 72 °F

    Slight Chance
    T-storms then
    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 96. Heat index values as high as 105. Calm wind.

    High: 96 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 72. Calm wind.

    Low: 72 °F

    Mostly Clear

  • Tuesday

    Tuesday: A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind.

    High: 96 °F

    Sunny then
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 40%.

    Low: 71 °F

    Chance
    T-storms then
    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 90. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 40%.

    High: 90 °F

    Chance
    Showers then
    Chance
    T-storms

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 67. North northeast wind around 6 mph.

    Low: 67 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 87. North northeast wind around 7 mph.

    High: 87 °F

    Mostly Sunny

Detailed Forecast

Tonight
A 20 percent chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 72. Light east wind.
Monday
Sunny, with a high near 96. Heat index values as high as 105. Calm wind.
Monday Night
Mostly clear, with a low around 72. Calm wind.
Tuesday
A 40 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 96. Calm wind.
Tuesday Night
A chance of showers and thunderstorms. Partly cloudy, with a low around 71. Calm wind. Chance of precipitation is 40%.
Wednesday
A chance of showers, with thunderstorms also possible after 10am. Partly sunny, with a high near 90. Calm wind becoming north around 6 mph in the morning. Chance of precipitation is 40%.
Wednesday Night
Partly cloudy, with a low around 67. North northeast wind around 6 mph.
Thursday
Mostly sunny, with a high near 87. North northeast wind around 7 mph.
Thursday Night
Mostly clear, with a low around 65. North northeast wind 3 to 6 mph.
Friday
Sunny, with a high near 89. North northeast wind 3 to 5 mph.
Friday Night
Mostly clear, with a low around 66. Light north wind.
Saturday
Sunny, with a high near 90. Calm wind becoming north around 5 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 63. North wind 3 to 5 mph.
Sunday
Sunny, with a high near 85. North wind 3 to 6 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles SSW Glenallen MO
 37.26°N 90.04°W
Last Update:
6:31 pm CDT Aug 17, 2025
Forecast Valid:
6pm CDT Aug 17, 2025-6pm CDT Aug 24, 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