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

98°F

37°C

Humidity 36%
Wind Speed W 6 mph
Barometer 30.06 in (1017.5 mb)
Dewpoint 67°F (19°C)
Visibility 10.00 mi
Heat Index102°F (39°C)
Last update 18 Sep 2:53 pm CDT
Extended Forecast for

Allenville MO

Heat Advisory September 18, 03:34pm until September 20, 07:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory September 18, 03:34pm until September 20, 07:00pm

    NOW until 7:00pm Sun

    Heat Advisory

  • This Afternoon

    High: 100 °F

    Slight Chance
    T-storms

  • Tonight

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

    Low: 71 °F

    Mostly Clear

  • Saturday

    Saturday: Sunny and hot, with a high near 99. Calm wind becoming west southwest around 6 mph in the afternoon.

    High: 99 °F

    Hot

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 71. Light south southwest wind.

    Low: 71 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.

    High: 98 °F

    Hot

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 69. Calm wind.

    Low: 69 °F

    Partly Cloudy

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming north northwest around 6 mph in the afternoon.

    High: 89 °F

    Partly Sunny
    then Chance
    T-storms

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. North wind around 6 mph.

    Low: 63 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
A 10 percent chance of showers and thunderstorms after 5pm. Sunny and hot, with a high near 100. Heat index values as high as 108. South wind around 5 mph.
Tonight
Mostly clear, with a low around 71. Calm wind.
Saturday
Sunny and hot, with a high near 99. Calm wind becoming west southwest around 6 mph in the afternoon.
Saturday Night
Partly cloudy, with a low around 71. Light south southwest wind.
Sunday
Sunny and hot, with a high near 98. Calm wind becoming west around 6 mph in the afternoon.
Sunday Night
Partly cloudy, with a low around 69. Calm wind.
Monday
A 50 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 89. Calm wind becoming north northwest around 6 mph in the afternoon.
Monday Night
A chance of showers and thunderstorms before 1am. Mostly cloudy, with a low around 63. North wind around 6 mph.
Tuesday
Partly sunny, with a high near 78. North wind 8 to 10 mph.
Tuesday Night
Partly cloudy, with a low around 57. North wind 6 to 9 mph.
Wednesday
Mostly sunny, with a high near 77. North wind around 7 mph.
Wednesday Night
Mostly clear, with a low around 56. North wind 3 to 5 mph.
Thursday
Mostly sunny, with a high near 77. North wind 3 to 7 mph.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Allenville MO
 37.23°N 89.76°W
Last Update:
2:46 pm CDT Sep 18, 2026
Forecast Valid:
3pm CDT Sep 18, 2026-6pm CDT Sep 24, 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