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.

A Few Clouds

68°F

20°C

Humidity 93%
Wind Speed SE 16 mph
Barometer 30.00 in (1015.4 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Last update 18 May 9:53 pm CDT
Extended Forecast for

Glenallen MO

  • Tonight

    Tonight: Partly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 22 mph.

    Low: 69 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 86. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.

    High: 86 °F

    Chance
    T-storms then
    Showers

  • Tuesday Night

    Tuesday Night: Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 59. South southwest wind around 6 mph becoming calm. Chance of precipitation is 70%.

    Low: 59 °F

    Showers
    Likely

  • Wednesday

    Wednesday: A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. North northeast wind around 9 mph. Chance of precipitation is 50%.

    High: 71 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 54. North northeast wind 5 to 8 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Thursday

    Thursday: A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. North northeast wind around 7 mph. Chance of precipitation is 20%.

    High: 75 °F

    Slight Chance
    Showers then
    Slight Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 59. East northeast wind 3 to 7 mph. Chance of precipitation is 80%.

    Low: 59 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. Mostly cloudy, with a high near 77. Light and variable wind becoming south southwest around 6 mph in the morning.

    High: 77 °F

    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. South southwest wind around 5 mph becoming calm in the evening.

    Low: 61 °F

    Showers
    Likely

Detailed Forecast

Tonight
Partly cloudy, with a low around 69. South wind around 10 mph, with gusts as high as 22 mph.
Tuesday
Showers and thunderstorms before 4pm, then showers and possibly a thunderstorm, mainly after 4pm. High near 86. South southwest wind 9 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 80%.
Tuesday Night
Showers and thunderstorms likely before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 59. South southwest wind around 6 mph becoming calm. Chance of precipitation is 70%.
Wednesday
A chance of showers and thunderstorms before 10am, then a chance of showers between 10am and 1pm, then a slight chance of showers and thunderstorms after 1pm. Mostly cloudy, with a high near 71. North northeast wind around 9 mph. Chance of precipitation is 50%.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 54. North northeast wind 5 to 8 mph.
Thursday
A slight chance of showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 75. North northeast wind around 7 mph. Chance of precipitation is 20%.
Thursday Night
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 1am. Low around 59. East northeast wind 3 to 7 mph. Chance of precipitation is 80%.
Friday
Showers and possibly a thunderstorm. Mostly cloudy, with a high near 77. Light and variable wind becoming south southwest around 6 mph in the morning.
Friday Night
Showers likely and possibly a thunderstorm before 1am, then a chance of showers. Mostly cloudy, with a low around 61. South southwest wind around 5 mph becoming calm in the evening.
Saturday
A slight chance of showers, then a chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 81. Light south southwest wind.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Light and variable wind.
Sunday
A chance of showers and thunderstorms. Partly sunny, with a high near 82. Light south wind.
Sunday Night
A chance of showers. Mostly cloudy, with a low around 63. Light and variable wind.
Memorial Day
A chance of showers and thunderstorms. Partly sunny, with a high near 84. Calm wind becoming south southeast around 5 mph in the afternoon.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Glenallen MO
 37.3°N 90.01°W
Last Update:
7:21 pm CDT May 18, 2026
Forecast Valid:
10pm CDT May 18, 2026-6pm CDT May 25, 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