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 87%
Wind Speed Calm
Barometer 29.94 in (1013.3 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 17 Aug 1:53 am CDT
Extended Forecast for

Tamms IL

  • Overnight

    Overnight: A 20 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 74. Light and variable wind.

    Low: 74 °F

    Slight Chance
    T-storms

  • Monday

    Monday: Mostly sunny, with a high near 88. North northwest wind 5 to 8 mph.

    High: 88 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.

    Low: 66 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 89. Calm wind.

    High: 89 °F

    Sunny

  • Tuesday Night

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

    Low: 69 °F

    Mostly Clear

  • Wednesday

    Wednesday: Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 70%.

    High: 91 °F

    Showers
    Likely

  • Wednesday Night

    Wednesday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. Light east northeast wind. Chance of precipitation is 60%.

    Low: 70 °F

    Chance
    T-storms then
    Showers
    Likely

  • Thursday

    Thursday: A chance of showers and thunderstorms. Partly sunny, with a high near 86. Northeast wind 3 to 5 mph.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers before 1am. Partly cloudy, with a low around 67. Light north northeast wind.

    Low: 67 °F

    Chance
    Showers

Detailed Forecast

Overnight
A 20 percent chance of showers and thunderstorms before 3am. Mostly cloudy, with a low around 74. Light and variable wind.
Monday
Mostly sunny, with a high near 88. North northwest wind 5 to 8 mph.
Monday Night
Partly cloudy, with a low around 66. North wind around 6 mph becoming calm in the evening.
Tuesday
Sunny, with a high near 89. Calm wind.
Tuesday Night
Mostly clear, with a low around 69. Calm wind.
Wednesday
Showers likely and possibly a thunderstorm before 10am, then showers likely between 10am and 1pm. Mostly sunny, with a high near 91. Calm wind becoming south southeast around 5 mph. Chance of precipitation is 70%.
Wednesday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Partly cloudy, with a low around 70. Light east northeast wind. Chance of precipitation is 60%.
Thursday
A chance of showers and thunderstorms. Partly sunny, with a high near 86. Northeast wind 3 to 5 mph.
Thursday Night
A chance of showers before 1am. Partly cloudy, with a low around 67. Light north northeast wind.
Friday
Mostly sunny, with a high near 86. Light north northeast wind.
Friday Night
Mostly clear, with a low around 65. Light north wind.
Saturday
Sunny, with a high near 88. Light north northwest wind.
Saturday Night
Mostly clear, with a low around 65. Calm wind.
Sunday
Sunny, with a high near 86. Calm wind becoming north northwest around 5 mph.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Tamms IL
 37.23°N 89.26°W
Last Update:
1:26 am CDT Aug 17, 2026
Forecast Valid:
2am CDT Aug 17, 2026-6pm CDT Aug 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