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

70°F

21°C

Humidity 93%
Wind Speed SE 3 mph
Barometer 30.23 in (1023.1 mb)
Dewpoint 68°F (20°C)
Visibility 9.00 mi
Last update 17 Sep 5:53 am CDT
Extended Forecast for

Glenallen MO

Heat Advisory September 17, 06:30am until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 17, 06:30am until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • Today

    High: 96 °F

    Sunny

  • Tonight

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

    Low: 72 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 96. Calm wind.

    High: 96 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 71. Calm wind.

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 96. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 96 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 70. Calm wind.

    Low: 70 °F

    Mostly Clear

  • Sunday

    Sunday: Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.

    High: 95 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 69. Calm wind.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Today
Sunny, with a high near 96. Light west southwest wind.
Tonight
Mostly clear, with a low around 72. Calm wind.
Friday
Sunny, with a high near 96. Calm wind.
Friday Night
Mostly clear, with a low around 71. Calm wind.
Saturday
Sunny, with a high near 96. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 70. Calm wind.
Sunday
Mostly sunny, with a high near 95. Calm wind becoming west around 5 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 69. Calm wind.
Monday
A chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 90. Calm wind becoming north northwest around 5 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms before 1am, then a slight chance of showers. Partly cloudy, with a low around 64. Light north wind.
Tuesday
A slight chance of showers. Partly sunny, with a high near 84. North wind 3 to 6 mph.
Tuesday Night
Mostly clear, with a low around 62. North wind around 5 mph becoming calm in the evening.
Wednesday
Mostly sunny, with a high near 83. Northeast wind 3 to 5 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Glenallen MO
 37.32°N 90.01°W
Last Update:
6:01 am CDT Sep 17, 2026
Forecast Valid:
6am CDT Sep 17, 2026-6pm CDT Sep 23, 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